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revert: Makefile.def (target_modules): Add libgcc-math target module. 

2006-05-22  Richard Guenther  <rguenther@suse.de>

        Revert
        2006-01-31  Richard Guenther  <rguenther@suse.de>
        Paolo Bonzini  <bonzini@gnu.org>

        * Makefile.def (target_modules): Add libgcc-math target module.
        * configure.in (target_libraries): Add libgcc-math target
        * library.
        (--enable-libgcc-math): New configure switch.
        * Makefile.in: Re-generate.
        * configure: Re-generate.
        * libgcc-math: New toplevel directory.

        * doc/install.texi (--disable-libgcc-math): Document.

        libgcc-math/
        * configure.ac: New file.
        * Makefile.am: Likewise.
        * configure: New generated file.
        * Makefile.in: Likewise.
        * aclocal.m4: Likewise.
        * libtool-version: New file.
        * include/ieee754.h: New file.
        * include/libc-symbols.h: Likewise.
        * include/math_private.h: Likewise.
        * i386/Makefile.am: New file.
        * i386/Makefile.in: New generated file.
        * i386/sse2.h: New file.
        * i386/endian.h: Likewise.
        * i386/sse2.map: Linker script for SSE2 ABI math intrinsics.
        * flt-32/: Import from glibc.
        * dbl-64/: Likewise.

From-SVN: r113980
This commit is contained in:
Richard Guenther 2006-05-22 15:04:32 +00:00 committed by Richard Biener
parent 9714c91192
commit c31202cd26
44 changed files with 160 additions and 15681 deletions
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13
ChangeLog
View File

@ -1,3 +1,16 @@
2006-05-22 Richard Guenther <rguenther@suse.de>
Revert
2006-01-31 Richard Guenther <rguenther@suse.de>
Paolo Bonzini <bonzini@gnu.org>
* Makefile.def (target_modules): Add libgcc-math target module.
* configure.in (target_libraries): Add libgcc-math target library.
(--enable-libgcc-math): New configure switch.
* Makefile.in: Re-generate.
* configure: Re-generate.
* libgcc-math: New toplevel directory.
2006-05-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
Andreas Tobler <a.tobler@schweiz.ch>

1
Makefile.def
View File

@ -117,7 +117,6 @@ host_modules= { module= gnattools; };
target_modules = { module= libstdc++-v3; lib_path=.libs; raw_cxx=true; };
target_modules = { module= libmudflap; lib_path=.libs; };
target_modules = { module= libssp; lib_path=.libs; };
target_modules = { module= libgcc-math; lib_path=.libs; };
target_modules = { module= newlib; };
target_modules = { module= libgfortran; };
target_modules = { module= libobjc; };

376
Makefile.in
View File

@ -351,7 +351,7 @@ all:
# This is the list of directories that may be needed in RPATH_ENVVAR
# so that prorgams built for the target machine work.
TARGET_LIB_PATH = $(TARGET_LIB_PATH_libstdc++-v3)$(TARGET_LIB_PATH_libmudflap)$(TARGET_LIB_PATH_libssp)$(TARGET_LIB_PATH_libgcc-math)$(TARGET_LIB_PATH_libgomp)$(HOST_LIB_PATH_gcc)
TARGET_LIB_PATH = $(TARGET_LIB_PATH_libstdc++-v3)$(TARGET_LIB_PATH_libmudflap)$(TARGET_LIB_PATH_libssp)$(TARGET_LIB_PATH_libgomp)$(HOST_LIB_PATH_gcc)
@if target-libstdc++-v3
TARGET_LIB_PATH_libstdc++-v3 = $$r/$(TARGET_SUBDIR)/libstdc++-v3/.libs:
@ -365,10 +365,6 @@ TARGET_LIB_PATH_libmudflap = $$r/$(TARGET_SUBDIR)/libmudflap/.libs:
TARGET_LIB_PATH_libssp = $$r/$(TARGET_SUBDIR)/libssp/.libs:
@endif target-libssp
@if target-libgcc-math
TARGET_LIB_PATH_libgcc-math = $$r/$(TARGET_SUBDIR)/libgcc-math/.libs:
@endif target-libgcc-math
@if target-libgomp
TARGET_LIB_PATH_libgomp = $$r/$(TARGET_SUBDIR)/libgomp/.libs:
@endif target-libgomp
@ -620,7 +616,6 @@ configure-target: \
maybe-configure-target-libstdc++-v3 \
maybe-configure-target-libmudflap \
maybe-configure-target-libssp \
maybe-configure-target-libgcc-math \
maybe-configure-target-newlib \
maybe-configure-target-libgfortran \
maybe-configure-target-libobjc \
@ -765,7 +760,6 @@ all-host: maybe-all-gnattools
all-target: maybe-all-target-libstdc++-v3
all-target: maybe-all-target-libmudflap
all-target: maybe-all-target-libssp
all-target: maybe-all-target-libgcc-math
all-target: maybe-all-target-newlib
all-target: maybe-all-target-libgfortran
all-target: maybe-all-target-libobjc
@ -874,7 +868,6 @@ info-host: maybe-info-gnattools
info-target: maybe-info-target-libstdc++-v3
info-target: maybe-info-target-libmudflap
info-target: maybe-info-target-libssp
info-target: maybe-info-target-libgcc-math
info-target: maybe-info-target-newlib
info-target: maybe-info-target-libgfortran
info-target: maybe-info-target-libobjc
@ -978,7 +971,6 @@ dvi-host: maybe-dvi-gnattools
dvi-target: maybe-dvi-target-libstdc++-v3
dvi-target: maybe-dvi-target-libmudflap
dvi-target: maybe-dvi-target-libssp
dvi-target: maybe-dvi-target-libgcc-math
dvi-target: maybe-dvi-target-newlib
dvi-target: maybe-dvi-target-libgfortran
dvi-target: maybe-dvi-target-libobjc
@ -1082,7 +1074,6 @@ html-host: maybe-html-gnattools
html-target: maybe-html-target-libstdc++-v3
html-target: maybe-html-target-libmudflap
html-target: maybe-html-target-libssp
html-target: maybe-html-target-libgcc-math
html-target: maybe-html-target-newlib
html-target: maybe-html-target-libgfortran
html-target: maybe-html-target-libobjc
@ -1186,7 +1177,6 @@ TAGS-host: maybe-TAGS-gnattools
TAGS-target: maybe-TAGS-target-libstdc++-v3
TAGS-target: maybe-TAGS-target-libmudflap
TAGS-target: maybe-TAGS-target-libssp
TAGS-target: maybe-TAGS-target-libgcc-math
TAGS-target: maybe-TAGS-target-newlib
TAGS-target: maybe-TAGS-target-libgfortran
TAGS-target: maybe-TAGS-target-libobjc
@ -1290,7 +1280,6 @@ install-info-host: maybe-install-info-gnattools
install-info-target: maybe-install-info-target-libstdc++-v3
install-info-target: maybe-install-info-target-libmudflap
install-info-target: maybe-install-info-target-libssp
install-info-target: maybe-install-info-target-libgcc-math
install-info-target: maybe-install-info-target-newlib
install-info-target: maybe-install-info-target-libgfortran
install-info-target: maybe-install-info-target-libobjc
@ -1394,7 +1383,6 @@ installcheck-host: maybe-installcheck-gnattools
installcheck-target: maybe-installcheck-target-libstdc++-v3
installcheck-target: maybe-installcheck-target-libmudflap
installcheck-target: maybe-installcheck-target-libssp
installcheck-target: maybe-installcheck-target-libgcc-math
installcheck-target: maybe-installcheck-target-newlib
installcheck-target: maybe-installcheck-target-libgfortran
installcheck-target: maybe-installcheck-target-libobjc
@ -1498,7 +1486,6 @@ mostlyclean-host: maybe-mostlyclean-gnattools
mostlyclean-target: maybe-mostlyclean-target-libstdc++-v3
mostlyclean-target: maybe-mostlyclean-target-libmudflap
mostlyclean-target: maybe-mostlyclean-target-libssp
mostlyclean-target: maybe-mostlyclean-target-libgcc-math
mostlyclean-target: maybe-mostlyclean-target-newlib
mostlyclean-target: maybe-mostlyclean-target-libgfortran
mostlyclean-target: maybe-mostlyclean-target-libobjc
@ -1602,7 +1589,6 @@ clean-host: maybe-clean-gnattools
clean-target: maybe-clean-target-libstdc++-v3
clean-target: maybe-clean-target-libmudflap
clean-target: maybe-clean-target-libssp
clean-target: maybe-clean-target-libgcc-math
clean-target: maybe-clean-target-newlib
clean-target: maybe-clean-target-libgfortran
clean-target: maybe-clean-target-libobjc
@ -1706,7 +1692,6 @@ distclean-host: maybe-distclean-gnattools
distclean-target: maybe-distclean-target-libstdc++-v3
distclean-target: maybe-distclean-target-libmudflap
distclean-target: maybe-distclean-target-libssp
distclean-target: maybe-distclean-target-libgcc-math
distclean-target: maybe-distclean-target-newlib
distclean-target: maybe-distclean-target-libgfortran
distclean-target: maybe-distclean-target-libobjc
@ -1810,7 +1795,6 @@ maintainer-clean-host: maybe-maintainer-clean-gnattools
maintainer-clean-target: maybe-maintainer-clean-target-libstdc++-v3
maintainer-clean-target: maybe-maintainer-clean-target-libmudflap
maintainer-clean-target: maybe-maintainer-clean-target-libssp
maintainer-clean-target: maybe-maintainer-clean-target-libgcc-math
maintainer-clean-target: maybe-maintainer-clean-target-newlib
maintainer-clean-target: maybe-maintainer-clean-target-libgfortran
maintainer-clean-target: maybe-maintainer-clean-target-libobjc
@ -1967,7 +1951,6 @@ check-target: \
maybe-check-target-libstdc++-v3 \
maybe-check-target-libmudflap \
maybe-check-target-libssp \
maybe-check-target-libgcc-math \
maybe-check-target-newlib \
maybe-check-target-libgfortran \
maybe-check-target-libobjc \
@ -2168,7 +2151,6 @@ install-target: \
maybe-install-target-libstdc++-v3 \
maybe-install-target-libmudflap \
maybe-install-target-libssp \
maybe-install-target-libgcc-math \
maybe-install-target-newlib \
maybe-install-target-libgfortran \
maybe-install-target-libobjc \
@ -30199,360 +30181,6 @@ maintainer-clean-target-libssp:
.PHONY: configure-target-libgcc-math maybe-configure-target-libgcc-math
maybe-configure-target-libgcc-math:
@if target-libgcc-math
maybe-configure-target-libgcc-math: configure-target-libgcc-math
configure-target-libgcc-math:
@: $(MAKE); $(unstage)
@r=`${PWD_COMMAND}`; export r; \
s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
echo "Checking multilib configuration for libgcc-math..."; \
$(SHELL) $(srcdir)/mkinstalldirs $(TARGET_SUBDIR)/libgcc-math ; \
$(CC_FOR_TARGET) --print-multi-lib > $(TARGET_SUBDIR)/libgcc-math/multilib.tmp 2> /dev/null ; \
if test -r $(TARGET_SUBDIR)/libgcc-math/multilib.out; then \
if cmp -s $(TARGET_SUBDIR)/libgcc-math/multilib.tmp $(TARGET_SUBDIR)/libgcc-math/multilib.out; then \
rm -f $(TARGET_SUBDIR)/libgcc-math/multilib.tmp; \
else \
rm -f $(TARGET_SUBDIR)/libgcc-math/Makefile; \
mv $(TARGET_SUBDIR)/libgcc-math/multilib.tmp $(TARGET_SUBDIR)/libgcc-math/multilib.out; \
fi; \
else \
mv $(TARGET_SUBDIR)/libgcc-math/multilib.tmp $(TARGET_SUBDIR)/libgcc-math/multilib.out; \
fi; \
test ! -f $(TARGET_SUBDIR)/libgcc-math/Makefile || exit 0; \
$(SHELL) $(srcdir)/mkinstalldirs $(TARGET_SUBDIR)/libgcc-math ; \
$(NORMAL_TARGET_EXPORTS) \
echo Configuring in $(TARGET_SUBDIR)/libgcc-math; \
cd "$(TARGET_SUBDIR)/libgcc-math" || exit 1; \
case $(srcdir) in \
/* | [A-Za-z]:[\\/]*) topdir=$(srcdir) ;; \
*) topdir=`echo $(TARGET_SUBDIR)/libgcc-math/ | \
sed -e 's,\./,,g' -e 's,[^/]*/,../,g' `$(srcdir) ;; \
esac; \
srcdiroption="--srcdir=$${topdir}/libgcc-math"; \
libsrcdir="$$s/libgcc-math"; \
rm -f no-such-file || : ; \
CONFIG_SITE=no-such-file $(SHELL) $${libsrcdir}/configure \
$(TARGET_CONFIGARGS) $${srcdiroption} \
|| exit 1
@endif target-libgcc-math
.PHONY: all-target-libgcc-math maybe-all-target-libgcc-math
maybe-all-target-libgcc-math:
@if target-libgcc-math
TARGET-target-libgcc-math=all
maybe-all-target-libgcc-math: all-target-libgcc-math
all-target-libgcc-math: configure-target-libgcc-math
@: $(MAKE); $(unstage)
@r=`${PWD_COMMAND}`; export r; \
s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
$(NORMAL_TARGET_EXPORTS) \
(cd $(TARGET_SUBDIR)/libgcc-math && \
$(MAKE) $(TARGET_FLAGS_TO_PASS) $(TARGET-target-libgcc-math))
@endif target-libgcc-math
.PHONY: check-target-libgcc-math maybe-check-target-libgcc-math
maybe-check-target-libgcc-math:
@if target-libgcc-math
maybe-check-target-libgcc-math: check-target-libgcc-math
check-target-libgcc-math:
@: $(MAKE); $(unstage)
@r=`${PWD_COMMAND}`; export r; \
s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
$(NORMAL_TARGET_EXPORTS) \
(cd $(TARGET_SUBDIR)/libgcc-math && \
$(MAKE) $(TARGET_FLAGS_TO_PASS) check)
@endif target-libgcc-math
.PHONY: install-target-libgcc-math maybe-install-target-libgcc-math
maybe-install-target-libgcc-math:
@if target-libgcc-math
maybe-install-target-libgcc-math: install-target-libgcc-math
install-target-libgcc-math: installdirs
@: $(MAKE); $(unstage)
@r=`${PWD_COMMAND}`; export r; \
s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
$(NORMAL_TARGET_EXPORTS) \
(cd $(TARGET_SUBDIR)/libgcc-math && \
$(MAKE) $(TARGET_FLAGS_TO_PASS) install)
@endif target-libgcc-math
# Other targets (info, dvi, etc.)
.PHONY: maybe-info-target-libgcc-math info-target-libgcc-math
maybe-info-target-libgcc-math:
@if target-libgcc-math
maybe-info-target-libgcc-math: info-target-libgcc-math
info-target-libgcc-math: \
configure-target-libgcc-math
@: $(MAKE); $(unstage)
@[ -f $(TARGET_SUBDIR)/libgcc-math/Makefile ] || exit 0 ; \
r=`${PWD_COMMAND}`; export r; \
s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
$(NORMAL_TARGET_EXPORTS) \
echo "Doing info in $(TARGET_SUBDIR)/libgcc-math" ; \
for flag in $(EXTRA_TARGET_FLAGS); do \
eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
done; \
(cd $(TARGET_SUBDIR)/libgcc-math && \
$(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
"CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
"RANLIB=$${RANLIB}" \
"DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" \
info) \
|| exit 1
@endif target-libgcc-math
.PHONY: maybe-dvi-target-libgcc-math dvi-target-libgcc-math
maybe-dvi-target-libgcc-math:
@if target-libgcc-math
maybe-dvi-target-libgcc-math: dvi-target-libgcc-math
dvi-target-libgcc-math: \
configure-target-libgcc-math
@: $(MAKE); $(unstage)
@[ -f $(TARGET_SUBDIR)/libgcc-math/Makefile ] || exit 0 ; \
r=`${PWD_COMMAND}`; export r; \
s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
$(NORMAL_TARGET_EXPORTS) \
echo "Doing dvi in $(TARGET_SUBDIR)/libgcc-math" ; \
for flag in $(EXTRA_TARGET_FLAGS); do \
eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
done; \
(cd $(TARGET_SUBDIR)/libgcc-math && \
$(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
"CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
"RANLIB=$${RANLIB}" \
"DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" \
dvi) \
|| exit 1
@endif target-libgcc-math
.PHONY: maybe-html-target-libgcc-math html-target-libgcc-math
maybe-html-target-libgcc-math:
@if target-libgcc-math
maybe-html-target-libgcc-math: html-target-libgcc-math
html-target-libgcc-math: \
configure-target-libgcc-math
@: $(MAKE); $(unstage)
@[ -f $(TARGET_SUBDIR)/libgcc-math/Makefile ] || exit 0 ; \
r=`${PWD_COMMAND}`; export r; \
s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
$(NORMAL_TARGET_EXPORTS) \
echo "Doing html in $(TARGET_SUBDIR)/libgcc-math" ; \
for flag in $(EXTRA_TARGET_FLAGS); do \
eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
done; \
(cd $(TARGET_SUBDIR)/libgcc-math && \
$(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
"CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
"RANLIB=$${RANLIB}" \
"DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" \
html) \
|| exit 1
@endif target-libgcc-math
.PHONY: maybe-TAGS-target-libgcc-math TAGS-target-libgcc-math
maybe-TAGS-target-libgcc-math:
@if target-libgcc-math
maybe-TAGS-target-libgcc-math: TAGS-target-libgcc-math
TAGS-target-libgcc-math: \
configure-target-libgcc-math
@: $(MAKE); $(unstage)
@[ -f $(TARGET_SUBDIR)/libgcc-math/Makefile ] || exit 0 ; \
r=`${PWD_COMMAND}`; export r; \
s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
$(NORMAL_TARGET_EXPORTS) \
echo "Doing TAGS in $(TARGET_SUBDIR)/libgcc-math" ; \
for flag in $(EXTRA_TARGET_FLAGS); do \
eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
done; \
(cd $(TARGET_SUBDIR)/libgcc-math && \
$(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
"CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
"RANLIB=$${RANLIB}" \
"DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" \
TAGS) \
|| exit 1
@endif target-libgcc-math
.PHONY: maybe-install-info-target-libgcc-math install-info-target-libgcc-math
maybe-install-info-target-libgcc-math:
@if target-libgcc-math
maybe-install-info-target-libgcc-math: install-info-target-libgcc-math
install-info-target-libgcc-math: \
configure-target-libgcc-math \
info-target-libgcc-math
@: $(MAKE); $(unstage)
@[ -f $(TARGET_SUBDIR)/libgcc-math/Makefile ] || exit 0 ; \
r=`${PWD_COMMAND}`; export r; \
s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
$(NORMAL_TARGET_EXPORTS) \
echo "Doing install-info in $(TARGET_SUBDIR)/libgcc-math" ; \
for flag in $(EXTRA_TARGET_FLAGS); do \
eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
done; \
(cd $(TARGET_SUBDIR)/libgcc-math && \
$(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
"CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
"RANLIB=$${RANLIB}" \
"DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" \
install-info) \
|| exit 1
@endif target-libgcc-math
.PHONY: maybe-installcheck-target-libgcc-math installcheck-target-libgcc-math
maybe-installcheck-target-libgcc-math:
@if target-libgcc-math
maybe-installcheck-target-libgcc-math: installcheck-target-libgcc-math
installcheck-target-libgcc-math: \
configure-target-libgcc-math
@: $(MAKE); $(unstage)
@[ -f $(TARGET_SUBDIR)/libgcc-math/Makefile ] || exit 0 ; \
r=`${PWD_COMMAND}`; export r; \
s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
$(NORMAL_TARGET_EXPORTS) \
echo "Doing installcheck in $(TARGET_SUBDIR)/libgcc-math" ; \
for flag in $(EXTRA_TARGET_FLAGS); do \
eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
done; \
(cd $(TARGET_SUBDIR)/libgcc-math && \
$(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
"CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
"RANLIB=$${RANLIB}" \
"DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" \
installcheck) \
|| exit 1
@endif target-libgcc-math
.PHONY: maybe-mostlyclean-target-libgcc-math mostlyclean-target-libgcc-math
maybe-mostlyclean-target-libgcc-math:
@if target-libgcc-math
maybe-mostlyclean-target-libgcc-math: mostlyclean-target-libgcc-math
mostlyclean-target-libgcc-math:
@: $(MAKE); $(unstage)
@[ -f $(TARGET_SUBDIR)/libgcc-math/Makefile ] || exit 0 ; \
r=`${PWD_COMMAND}`; export r; \
s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
$(NORMAL_TARGET_EXPORTS) \
echo "Doing mostlyclean in $(TARGET_SUBDIR)/libgcc-math" ; \
for flag in $(EXTRA_TARGET_FLAGS); do \
eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
done; \
(cd $(TARGET_SUBDIR)/libgcc-math && \
$(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
"CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
"RANLIB=$${RANLIB}" \
"DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" \
mostlyclean) \
|| exit 1
@endif target-libgcc-math
.PHONY: maybe-clean-target-libgcc-math clean-target-libgcc-math
maybe-clean-target-libgcc-math:
@if target-libgcc-math
maybe-clean-target-libgcc-math: clean-target-libgcc-math
clean-target-libgcc-math:
@: $(MAKE); $(unstage)
@[ -f $(TARGET_SUBDIR)/libgcc-math/Makefile ] || exit 0 ; \
r=`${PWD_COMMAND}`; export r; \
s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
$(NORMAL_TARGET_EXPORTS) \
echo "Doing clean in $(TARGET_SUBDIR)/libgcc-math" ; \
for flag in $(EXTRA_TARGET_FLAGS); do \
eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
done; \
(cd $(TARGET_SUBDIR)/libgcc-math && \
$(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
"CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
"RANLIB=$${RANLIB}" \
"DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" \
clean) \
|| exit 1
@endif target-libgcc-math
.PHONY: maybe-distclean-target-libgcc-math distclean-target-libgcc-math
maybe-distclean-target-libgcc-math:
@if target-libgcc-math
maybe-distclean-target-libgcc-math: distclean-target-libgcc-math
distclean-target-libgcc-math:
@: $(MAKE); $(unstage)
@[ -f $(TARGET_SUBDIR)/libgcc-math/Makefile ] || exit 0 ; \
r=`${PWD_COMMAND}`; export r; \
s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
$(NORMAL_TARGET_EXPORTS) \
echo "Doing distclean in $(TARGET_SUBDIR)/libgcc-math" ; \
for flag in $(EXTRA_TARGET_FLAGS); do \
eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
done; \
(cd $(TARGET_SUBDIR)/libgcc-math && \
$(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
"CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
"RANLIB=$${RANLIB}" \
"DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" \
distclean) \
|| exit 1
@endif target-libgcc-math
.PHONY: maybe-maintainer-clean-target-libgcc-math maintainer-clean-target-libgcc-math
maybe-maintainer-clean-target-libgcc-math:
@if target-libgcc-math
maybe-maintainer-clean-target-libgcc-math: maintainer-clean-target-libgcc-math
maintainer-clean-target-libgcc-math:
@: $(MAKE); $(unstage)
@[ -f $(TARGET_SUBDIR)/libgcc-math/Makefile ] || exit 0 ; \
r=`${PWD_COMMAND}`; export r; \
s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
$(NORMAL_TARGET_EXPORTS) \
echo "Doing maintainer-clean in $(TARGET_SUBDIR)/libgcc-math" ; \
for flag in $(EXTRA_TARGET_FLAGS); do \
eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
done; \
(cd $(TARGET_SUBDIR)/libgcc-math && \
$(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
"CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
"RANLIB=$${RANLIB}" \
"DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" \
maintainer-clean) \
|| exit 1
@endif target-libgcc-math
.PHONY: configure-target-newlib maybe-configure-target-newlib
maybe-configure-target-newlib:
@if target-newlib
@ -37979,7 +37607,6 @@ restrap:
configure-target-libstdc++-v3: stage_last
configure-target-libmudflap: stage_last
configure-target-libssp: stage_last
configure-target-libgcc-math: stage_last
configure-target-newlib: stage_last
configure-target-libgfortran: stage_last
configure-target-libobjc: stage_last
@ -38003,7 +37630,6 @@ configure-target-libgomp: stage_last
configure-target-libstdc++-v3: maybe-all-gcc
configure-target-libmudflap: maybe-all-gcc
configure-target-libssp: maybe-all-gcc
configure-target-libgcc-math: maybe-all-gcc
configure-target-newlib: maybe-all-gcc
configure-target-libgfortran: maybe-all-gcc
configure-target-libobjc: maybe-all-gcc

296
configure vendored
View File

File diff suppressed because it is too large Load Diff

13
configure.in
View File

@ -148,7 +148,6 @@ target_libraries="target-libiberty \
target-libstdc++-v3 \
target-libmudflap \
target-libssp \
target-libgcc-math \
target-libgfortran \
${libgcj} \
target-libobjc \
@ -313,18 +312,6 @@ AC_ARG_ENABLE(libssp,
ENABLE_LIBSSP=$enableval,
ENABLE_LIBSSP=yes)
# Set the default so we build libgcc-math for ix86 and x86_64
AC_ARG_ENABLE(libgcc-math,
[ --enable-libgcc-math Builds libgcc-math directory],,
[
case "${target}" in
i?86-* | x86_64-* )
enable_libgcc_math=yes ;;
*)
enable_libgcc_math=no ;;
esac
])
# Save it here so that, even in case of --enable-libgcj, if the Java
# front-end isn't enabled, we still get libgcj disabled.
libgcj_saved=$libgcj

8
gcc/ChangeLog
View File

@ -1,3 +1,11 @@
2006-05-22 Richard Guenther <rguenther@suse.de>
Revert
2006-01-31 Richard Guenther <rguenther@suse.de>
Paolo Bonzini <bonzini@gnu.org>
* doc/install.texi (--disable-libgcc-math): Document.
2006-05-22 Richard Guenther <rguenther@suse.de>
Revert

4
gcc/doc/install.texi
View File

@ -1114,10 +1114,6 @@ do a @samp{make -C gcc gnatlib_and_tools}.
Specify that the run-time libraries for stack smashing protection
should not be built.
@item --disable-libgcc-math
Specify that the run-time libraries for arch and gcc specific math
functions should not be built.
@item --disable-libgomp
Specify that the run-time libraries used by GOMP should not be built.

120
libgcc-math/ChangeLog
View File

@ -1,120 +0,0 @@
2006-03-30 Richard Guenther <rguenther@suse.de>
* i386/Makefile.am: Do not build dbl-64 variants.
* i386/Makefile.in: Regenerate.
* dbl-64: Remove.
2006-03-20 Richard Guenther <rguenther@suse.de>
* README: New file.
2006-02-28 Richard Guenther <rguenther@suse.de>
PR bootstrap/26055
Revert
* configure.ac: Disable libgcc-math if we cannot mix
declaration of __isinf and math.h inclusion.
* configure: Re-generate.
* i386/Makefile.am: Use -std=c99, do not use -ffinite-math-only,
do not define __NO_MATH_INLINES.
* i386/Makefile.in: Re-generate.
* include/math_private.h (__atanf): Declare.
(__scalbnf): Likewise.
(__floorf): Likewise.
(__isinff): Likewise.
(__scalbn): Likewise.
(__floor): Likewise.
(fabs): Likewise.
(fabsf): Likewise.
* flt-32/e_acosf.c: Do not include math.h
* flt-32/s_isinff.c: Likewise.
* flt-32/k_tanf.c: Likewise.
* flt-32/e_sqrtf.c: Likewise.
* flt-32/e_asinf.c: Likewise.
* flt-32/k_cosf.c: Likewise.
* flt-32/k_sinf.c: Likewise.
* flt-32/s_floorf.c: Likewise.
* flt-32/s_tanf.c: Likewise.
* flt-32/s_atanf.c: Likewise.
* flt-32/s_cosf.c: Likewise.
* flt-32/e_atan2f.c: Likewise.
* flt-32/e_powf.c: Likewise.
* flt-32/s_sinf.c: Likewise.
* flt-32/e_rem_pio2f.c: Likewise.
* flt-32/s_scalbnf.c: Likewise.
* flt-32/e_logf.c: Likewise.
* flt-32/e_log10f.c: Likewise.
* flt-32/k_rem_pio2f.c: Likewise.
* flt-32/e_expf.c: Likewise. Use __builtin_isless and
__builtin_isgreater.
* dbl-64/s_floor.c: Do not include math.h.
* dbl-64/e_log10.c: Likewise.
* dbl-64/k_rem_pio2.c: Likewise.
* dbl-64/s_atan.c: Likewise.
* dbl-64/s_scalbn.c: Likewise.
* dbl-64/s_isinf.c: Likewise.
* dbl-64/s_tan.c: Likewise.
* dbl-64/e_rem_pio2.c: Likewise. Avoid uninitialized variable
warning.
* dbl-64/mpa.c: Likewise.
2006-02-08 Richard Guenther <rguenther@suse.de>
* dbl-64/mpa.c: Do not include sys/param.h.
* dbl-64/mpa.h (MIN): Define.
2006-02-07 Richard Guenther <rguenther@suse.de>
PR bootstrap/26050
* configure.ac: Generate _stdint.h using GCC_HEADER_STDINT.
* configure: Re-generate.
* Makefile.in: Likewise.
* aclocal.m4: Likewise.
* i386/Makefile.am: Adjust include path.
* i386/Makefile.in: Re-generate.
* include/math_private.h: Do not include sys/types.h.
Include _stdint.h. Use uint32_t instead of u_int32_t.
* flt-32/e_expf.c: Do not include inttypes.h
* flt-32/e_sqrtf.c: Use uint32_t instead of u_int32_t.
* flt-32/s_floorf.c: Likewise.
* flt-32/e_atan2f.c: Likewise.
* flt-32/e_powf.c: Likewise.
* flt-32/e_rem_pio2f.c: Likewise.
* flt-32/e_log10f.c: Likewise.
* dbl-64/s_floor.c: Likewise.
* dbl-64/e_log10.c: Likewise.
* dbl-64/e_rem_pio2.c: Likewise.
2006-02-01 Richard Guenther <rguenther@suse.de>
PR bootstrap/26059
* flt-32/e_expf.c: Remove fenv access.
2006-02-01 Richard Guenther <rguenther@suse.de>
PR bootstrap/26055
* configure.ac: Disable libgcc-math if we cannot mix
declaration of __isinf and math.h inclusion.
* configure: Re-generate.
2006-01-31 Richard Guenther <rguenther@suse.de>
Paolo Bonzini <bonzini@gnu.org>
* configure.ac: New file.
* Makefile.am: Likewise.
* configure: New generated file.
* Makefile.in: Likewise.
* aclocal.m4: Likewise.
* libtool-version: New file.
* include/ieee754.h: New file.
* include/libc-symbols.h: Likewise.
* include/math_private.h: Likewise.
* i386/Makefile.am: New file.
* i386/Makefile.in: New generated file.
* i386/sse2.h: New file.
* i386/endian.h: Likewise.
* i386/sse2.map: Linker script for SSE2 ABI math intrinsics.
* flt-32/: Import from glibc.
* dbl-64/: Likewise.

88
libgcc-math/Makefile.am
View File

@ -1,88 +0,0 @@
## Makefile for the toplevel directory of the libgcc-math library.
##
## Copyright (C) 2005
## Free Software Foundation, Inc.
##
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ACLOCAL_AMFLAGS = -I .. -I ../config
MAINT_CHARSET = latin1
SUBDIRS = @arch_subdirs@
# May be used by various substitution variables.
gcc_version := $(shell cat $(top_srcdir)/../gcc/BASE-VER)
if LIBGCCM_USE_SYMVER
version_arg = -Wl,--version-script=gccm.map
version_dep = gccm.map
.PHONY: gccm.map
gccm.map:
rm -f gccm.map
for map in @arch_maps@; do \
cat $(srcdir)/$$map >> gccm.map; \
done
else
version_arg =
version_dep =
endif
if BUILD_LIBGCC_MATH
toolexeclib_LTLIBRARIES = libgcc-math.la
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libgcc_math_la_LIBADD = @arch_libraries@
libgcc_math_la_DEPENDENCIES = $(libgcc_math_la_LIBADD) $(version_dep)
libgcc_math_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version` \
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762
libgcc-math/Makefile.in
View File

@ -1,762 +0,0 @@
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6
libgcc-math/README
View File

@ -1,6 +0,0 @@
This directory contains parts of the GLIBC package, which are not part of GCC
but shipped with GCC as a convenience. This includes the files in the flt-32
and dbl-64 directories which are imported from the GLIBC sysdeps/ieee754
versions. Changes to these parts of libgcc-math should be done upstream in
GLIBC and then re-imported to libgcc-math.

941
libgcc-math/aclocal.m4 vendored
View File

@ -1,941 +0,0 @@
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if test "$[*]" != "X $srcdir/configure conftest.file" \
&& test "$[*]" != "X conftest.file $srcdir/configure"; then
# If neither matched, then we have a broken ls. This can happen
# if, for instance, CONFIG_SHELL is bash and it inherits a
# broken ls alias from the environment. This has actually
# happened. Such a system could not be considered "sane".
AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
alias in your environment])
fi
test "$[2]" = conftest.file
)
then
# Ok.
:
else
AC_MSG_ERROR([newly created file is older than distributed files!
Check your system clock])
fi
AC_MSG_RESULT(yes)])
# Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# AM_PROG_INSTALL_STRIP
# ---------------------
# One issue with vendor `install' (even GNU) is that you can't
# specify the program used to strip binaries. This is especially
# annoying in cross-compiling environments, where the build's strip
# is unlikely to handle the host's binaries.
# Fortunately install-sh will honor a STRIPPROG variable, so we
# always use install-sh in `make install-strip', and initialize
# STRIPPROG with the value of the STRIP variable (set by the user).
AC_DEFUN([AM_PROG_INSTALL_STRIP],
[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
# Installed binaries are usually stripped using `strip' when the user
# run `make install-strip'. However `strip' might not be the right
# tool to use in cross-compilation environments, therefore Automake
# will honor the `STRIP' environment variable to overrule this program.
dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
if test "$cross_compiling" != no; then
AC_CHECK_TOOL([STRIP], [strip], :)
fi
INSTALL_STRIP_PROGRAM="\${SHELL} \$(install_sh) -c -s"
AC_SUBST([INSTALL_STRIP_PROGRAM])])
# Check how to create a tarball. -*- Autoconf -*-
# Copyright (C) 2004, 2005 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# serial 2
# _AM_PROG_TAR(FORMAT)
# --------------------
# Check how to create a tarball in format FORMAT.
# FORMAT should be one of `v7', `ustar', or `pax'.
#
# Substitute a variable $(am__tar) that is a command
# writing to stdout a FORMAT-tarball containing the directory
# $tardir.
# tardir=directory && $(am__tar) > result.tar
#
# Substitute a variable $(am__untar) that extract such
# a tarball read from stdin.
# $(am__untar) < result.tar
AC_DEFUN([_AM_PROG_TAR],
[# Always define AMTAR for backward compatibility.
AM_MISSING_PROG([AMTAR], [tar])
m4_if([$1], [v7],
[am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'],
[m4_case([$1], [ustar],, [pax],,
[m4_fatal([Unknown tar format])])
AC_MSG_CHECKING([how to create a $1 tar archive])
# Loop over all known methods to create a tar archive until one works.
_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
_am_tools=${am_cv_prog_tar_$1-$_am_tools}
# Do not fold the above two line into one, because Tru64 sh and
# Solaris sh will not grok spaces in the rhs of `-'.
for _am_tool in $_am_tools
do
case $_am_tool in
gnutar)
for _am_tar in tar gnutar gtar;
do
AM_RUN_LOG([$_am_tar --version]) && break
done
am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
am__untar="$_am_tar -xf -"
;;
plaintar)
# Must skip GNU tar: if it does not support --format= it doesn't create
# ustar tarball either.
(tar --version) >/dev/null 2>&1 && continue
am__tar='tar chf - "$$tardir"'
am__tar_='tar chf - "$tardir"'
am__untar='tar xf -'
;;
pax)
am__tar='pax -L -x $1 -w "$$tardir"'
am__tar_='pax -L -x $1 -w "$tardir"'
am__untar='pax -r'
;;
cpio)
am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
am__untar='cpio -i -H $1 -d'
;;
none)
am__tar=false
am__tar_=false
am__untar=false
;;
esac
# If the value was cached, stop now. We just wanted to have am__tar
# and am__untar set.
test -n "${am_cv_prog_tar_$1}" && break
# tar/untar a dummy directory, and stop if the command works
rm -rf conftest.dir
mkdir conftest.dir
echo GrepMe > conftest.dir/file
AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
rm -rf conftest.dir
if test -s conftest.tar; then
AM_RUN_LOG([$am__untar <conftest.tar])
grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
fi
done
rm -rf conftest.dir
AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
AC_MSG_RESULT([$am_cv_prog_tar_$1])])
AC_SUBST([am__tar])
AC_SUBST([am__untar])
]) # _AM_PROG_TAR
m4_include([../config/depstand.m4])
m4_include([../config/lead-dot.m4])
m4_include([../config/stdint.m4])
m4_include([../libtool.m4])

9258
libgcc-math/configure vendored
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149
libgcc-math/configure.ac
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@ -1,149 +0,0 @@
# Process this file with autoconf to produce a configure script, like so:
# aclocal && autoconf && autoheader && automake
AC_PREREQ(2.59)
AC_INIT(libgcc-math, 1.0)
AC_CONFIG_SRCDIR(configure.ac)
AC_CANONICAL_SYSTEM
AM_INIT_AUTOMAKE
AC_MSG_CHECKING([for --enable-version-specific-runtime-libs])
AC_ARG_ENABLE(version-specific-runtime-libs,
[ --enable-version-specific-runtime-libs Specify that runtime libraries should be installed in a compiler-specific directory ],
[case "$enableval" in
yes) version_specific_libs=yes ;;
no) version_specific_libs=no ;;
*) AC_MSG_ERROR([Unknown argument to enable/disable version-specific libs]);;
esac],
[version_specific_libs=no])
AC_MSG_RESULT($version_specific_libs)
AM_MAINTAINER_MODE
AC_EXEEXT
AM_ENABLE_MULTILIB(, ..)
target_alias=${target_alias-$host_alias}
AC_SUBST(target_alias)
AC_LANG_C
# The same as in boehm-gc and libstdc++. Have to borrow it from there.
# We must force CC to /not/ be precious variables; otherwise
# the wrong, non-multilib-adjusted value will be used in multilibs.
# As a side effect, we have to subst CFLAGS ourselves.
m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS])
m4_define([_AC_ARG_VAR_PRECIOUS],[])
AC_PROG_CC
m4_rename([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
AC_SUBST(CFLAGS)
if test "x$GCC" != "xyes"; then
AC_MSG_ERROR([libgcc-math must be built with GCC])
fi
AC_PROG_CPP
AM_PROG_AS
AC_MSG_CHECKING([whether hidden visibility is supported])
AC_TRY_COMPILE([
void __attribute__((visibility ("hidden"))) bar (void) {}],,
[gccm_hidden=yes],[gccm_hidden=no])
AC_MSG_RESULT($gccm_hidden)
if test x$gccm_hidden = xyes; then
AC_DEFINE([HAVE_HIDDEN_VISIBILITY],[1],[__attribute__((visibility ("hidden"))) supported])
fi
AC_MSG_CHECKING([whether symbol versioning is supported])
cat > conftest.map <<EOF
FOO_1.0 {
global: *foo*; bar; local: *;
};
EOF
save_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS -fPIC -shared -Wl,--version-script,./conftest.map"
AC_TRY_LINK([int foo;],[],[gccm_use_symver=yes],[gccm_use_symver=no])
LDFLAGS="$save_LDFLAGS"
AC_MSG_RESULT($gccm_use_symver)
AM_CONDITIONAL(LIBGCCM_USE_SYMVER, [test "x$gccm_use_symver" = xyes])
AC_MSG_CHECKING([whether we are a 32bit target])
save_CFLAGS="$CFLAGS"
CFLAGS="-O2"
AC_TRY_LINK(,[
if (sizeof(int) == 4 && sizeof(long) == 4 && sizeof(void *) == 4)
;
else
undefined_function ();
],
target_ilp32=yes,
target_ilp32=no)
CFLAGS="$save_CFLAGS"
AM_CONDITIONAL(TARGET_ILP32, [test "x$target_ilp32" = xyes])
AM_PROG_LIBTOOL
AC_SUBST(enable_shared)
AC_SUBST(enable_static)
# Calculate toolexeclibdir
# Also toolexecdir, though it's only used in toolexeclibdir
case ${version_specific_libs} in
yes)
# Need the gcc compiler version to know where to install libraries
# and header files if --enable-version-specific-runtime-libs option
# is selected.
toolexecdir='$(libdir)/gcc/$(target_alias)'
toolexeclibdir='$(toolexecdir)/$(gcc_version)$(MULTISUBDIR)'
;;
no)
if test -n "$with_cross_host" &&
test x"$with_cross_host" != x"no"; then
# Install a library built with a cross compiler in tooldir, not libdir.
toolexecdir='$(exec_prefix)/$(target_alias)'
toolexeclibdir='$(toolexecdir)/lib'
else
toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
toolexeclibdir='$(libdir)'
fi
multi_os_directory=`$CC -print-multi-os-directory`
case $multi_os_directory in
.) ;; # Avoid trailing /.
*) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;;
esac
;;
esac
AC_SUBST(toolexecdir)
AC_SUBST(toolexeclibdir)
if test ${multilib} = yes; then
multilib_arg="--enable-multilib"
else
multilib_arg=
fi
GCC_HEADER_STDINT(gstdint.h)
# Now check which parts we include in the library.
arch_subdirs=
case "${target}" in
i?86-* | x86_64-* )
# Handle multilib cases
if test "x$target_ilp32" = xyes; then
arch_subdirs="i386"
arch_libraries="i386/libsse2.la"
arch_maps="i386/sse2.map"
fi ;;
*)
;;
esac
AC_SUBST(arch_subdirs)
AC_SUBST(arch_libraries)
AC_SUBST(arch_maps)
AM_CONDITIONAL(BUILD_LIBGCC_MATH, [test "x$arch_subdirs" != x])
AC_CONFIG_FILES([Makefile i386/Makefile])
AC_OUTPUT

88
libgcc-math/flt-32/e_acosf.c
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@ -1,88 +0,0 @@
/* e_acosf.c -- float version of e_acos.c.
* Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
*/
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
#if defined(LIBM_SCCS) && !defined(lint)
static char rcsid[] = "$NetBSD: e_acosf.c,v 1.5 1995/05/12 04:57:16 jtc Exp $";
#endif
#include "math_private.h"
#ifdef __STDC__
static const float
#else
static float
#endif
one = 1.0000000000e+00, /* 0x3F800000 */
pi = 3.1415925026e+00, /* 0x40490fda */
pio2_hi = 1.5707962513e+00, /* 0x3fc90fda */
pio2_lo = 7.5497894159e-08, /* 0x33a22168 */
pS0 = 1.6666667163e-01, /* 0x3e2aaaab */
pS1 = -3.2556581497e-01, /* 0xbea6b090 */
pS2 = 2.0121252537e-01, /* 0x3e4e0aa8 */
pS3 = -4.0055535734e-02, /* 0xbd241146 */
pS4 = 7.9153501429e-04, /* 0x3a4f7f04 */
pS5 = 3.4793309169e-05, /* 0x3811ef08 */
qS1 = -2.4033949375e+00, /* 0xc019d139 */
qS2 = 2.0209457874e+00, /* 0x4001572d */
qS3 = -6.8828397989e-01, /* 0xbf303361 */
qS4 = 7.7038154006e-02; /* 0x3d9dc62e */
#ifdef __STDC__
float __ieee754_acosf(float x)
#else
float __ieee754_acosf(x)
float x;
#endif
{
float z,p,q,r,w,s,c,df;
int32_t hx,ix;
GET_FLOAT_WORD(hx,x);
ix = hx&0x7fffffff;
if(ix==0x3f800000) { /* |x|==1 */
if(hx>0) return 0.0; /* acos(1) = 0 */
else return pi+(float)2.0*pio2_lo; /* acos(-1)= pi */
} else if(ix>0x3f800000) { /* |x| >= 1 */
return (x-x)/(x-x); /* acos(|x|>1) is NaN */
}
if(ix<0x3f000000) { /* |x| < 0.5 */
if(ix<=0x23000000) return pio2_hi+pio2_lo;/*if|x|<2**-57*/
z = x*x;
p = z*(pS0+z*(pS1+z*(pS2+z*(pS3+z*(pS4+z*pS5)))));
q = one+z*(qS1+z*(qS2+z*(qS3+z*qS4)));
r = p/q;
return pio2_hi - (x - (pio2_lo-x*r));
} else if (hx<0) { /* x < -0.5 */
z = (one+x)*(float)0.5;
p = z*(pS0+z*(pS1+z*(pS2+z*(pS3+z*(pS4+z*pS5)))));
q = one+z*(qS1+z*(qS2+z*(qS3+z*qS4)));
s = __ieee754_sqrtf(z);
r = p/q;
w = r*s-pio2_lo;
return pi - (float)2.0*(s+w);
} else { /* x > 0.5 */
int32_t idf;
z = (one-x)*(float)0.5;
s = __ieee754_sqrtf(z);
df = s;
GET_FLOAT_WORD(idf,df);
SET_FLOAT_WORD(df,idf&0xfffff000);
c = (z-df*df)/(s+df);
p = z*(pS0+z*(pS1+z*(pS2+z*(pS3+z*(pS4+z*pS5)))));
q = one+z*(qS1+z*(qS2+z*(qS3+z*qS4)));
r = p/q;
w = r*s+c;
return (float)2.0*(df+w);
}
}

109
libgcc-math/flt-32/e_asinf.c
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@ -1,109 +0,0 @@
/* e_asinf.c -- float version of e_asin.c.
* Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
*/
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
/*
Modifications for single precision expansion are
Copyright (C) 2001 Stephen L. Moshier <moshier@na-net.ornl.gov>
and are incorporated herein by permission of the author. The author
reserves the right to distribute this material elsewhere under different
copying permissions. These modifications are distributed here under
the following terms:
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#if defined(LIBM_SCCS) && !defined(lint)
static char rcsid[] = "$NetBSD: e_asinf.c,v 1.5 1995/05/12 04:57:25 jtc Exp $";
#endif
#include "math_private.h"
#ifdef __STDC__
static const float
#else
static float
#endif
one = 1.0000000000e+00, /* 0x3F800000 */
huge = 1.000e+30,
pio2_hi = 1.57079637050628662109375f,
pio2_lo = -4.37113900018624283e-8f,
pio4_hi = 0.785398185253143310546875f,
/* asin x = x + x^3 p(x^2)
-0.5 <= x <= 0.5;
Peak relative error 4.8e-9 */
p0 = 1.666675248e-1f,
p1 = 7.495297643e-2f,
p2 = 4.547037598e-2f,
p3 = 2.417951451e-2f,
p4 = 4.216630880e-2f;
#ifdef __STDC__
float __ieee754_asinf(float x)
#else
float __ieee754_asinf(x)
float x;
#endif
{
float t,w,p,q,c,r,s;
int32_t hx,ix;
GET_FLOAT_WORD(hx,x);
ix = hx&0x7fffffff;
if(ix==0x3f800000) {
/* asin(1)=+-pi/2 with inexact */
return x*pio2_hi+x*pio2_lo;
} else if(ix> 0x3f800000) { /* |x|>= 1 */
return (x-x)/(x-x); /* asin(|x|>1) is NaN */
} else if (ix<0x3f000000) { /* |x|<0.5 */
if(ix<0x32000000) { /* if |x| < 2**-27 */
if(huge+x>one) return x;/* return x with inexact if x!=0*/
} else {
t = x*x;
w = t * (p0 + t * (p1 + t * (p2 + t * (p3 + t * p4))));
return x+x*w;
}
}
/* 1> |x|>= 0.5 */
w = one-fabsf(x);
t = w*0.5f;
p = t * (p0 + t * (p1 + t * (p2 + t * (p3 + t * p4))));
s = __ieee754_sqrtf(t);
if(ix>=0x3F79999A) { /* if |x| > 0.975 */
t = pio2_hi-(2.0f*(s+s*p)-pio2_lo);
} else {
int32_t iw;
w = s;
GET_FLOAT_WORD(iw,w);
SET_FLOAT_WORD(w,iw&0xfffff000);
c = (t-w*w)/(s+w);
r = p;
p = 2.0f*s*r-(pio2_lo-2.0f*c);
q = pio4_hi-2.0f*w;
t = pio4_hi-(p-q);
}
if(hx>0) return t; else return -t;
}

104
libgcc-math/flt-32/e_atan2f.c
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@ -1,104 +0,0 @@
/* e_atan2f.c -- float version of e_atan2.c.
* Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
*/
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
#if defined(LIBM_SCCS) && !defined(lint)
static char rcsid[] = "$NetBSD: e_atan2f.c,v 1.4 1995/05/10 20:44:53 jtc Exp $";
#endif
#include "math_private.h"
#ifdef __STDC__
static const float
#else
static float
#endif
tiny = 1.0e-30,
zero = 0.0,
pi_o_4 = 7.8539818525e-01, /* 0x3f490fdb */
pi_o_2 = 1.5707963705e+00, /* 0x3fc90fdb */
pi = 3.1415927410e+00, /* 0x40490fdb */
pi_lo = -8.7422776573e-08; /* 0xb3bbbd2e */
#ifdef __STDC__
float __ieee754_atan2f(float y, float x)
#else
float __ieee754_atan2f(y,x)
float y,x;
#endif
{
float z;
int32_t k,m,hx,hy,ix,iy;
GET_FLOAT_WORD(hx,x);
ix = hx&0x7fffffff;
GET_FLOAT_WORD(hy,y);
iy = hy&0x7fffffff;
if((ix>0x7f800000)||
(iy>0x7f800000)) /* x or y is NaN */
return x+y;
if(hx==0x3f800000) return __atanf(y); /* x=1.0 */
m = ((hy>>31)&1)|((hx>>30)&2); /* 2*sign(x)+sign(y) */
/* when y = 0 */
if(iy==0) {
switch(m) {
case 0:
case 1: return y; /* atan(+-0,+anything)=+-0 */
case 2: return pi+tiny;/* atan(+0,-anything) = pi */
case 3: return -pi-tiny;/* atan(-0,-anything) =-pi */
}
}
/* when x = 0 */
if(ix==0) return (hy<0)? -pi_o_2-tiny: pi_o_2+tiny;
/* when x is INF */
if(ix==0x7f800000) {
if(iy==0x7f800000) {
switch(m) {
case 0: return pi_o_4+tiny;/* atan(+INF,+INF) */
case 1: return -pi_o_4-tiny;/* atan(-INF,+INF) */
case 2: return (float)3.0*pi_o_4+tiny;/*atan(+INF,-INF)*/
case 3: return (float)-3.0*pi_o_4-tiny;/*atan(-INF,-INF)*/
}
} else {
switch(m) {
case 0: return zero ; /* atan(+...,+INF) */
case 1: return -zero ; /* atan(-...,+INF) */
case 2: return pi+tiny ; /* atan(+...,-INF) */
case 3: return -pi-tiny ; /* atan(-...,-INF) */
}
}
}
/* when y is INF */
if(iy==0x7f800000) return (hy<0)? -pi_o_2-tiny: pi_o_2+tiny;
/* compute y/x */
k = (iy-ix)>>23;
if(k > 60) z=pi_o_2+(float)0.5*pi_lo; /* |y/x| > 2**60 */
else if(hx<0&&k<-60) z=0.0; /* |y|/x < -2**60 */
else z=__atanf(fabsf(y/x)); /* safe to do y/x */
switch (m) {
case 0: return z ; /* atan(+,+) */
case 1: {
uint32_t zh;
GET_FLOAT_WORD(zh,z);
SET_FLOAT_WORD(z,zh ^ 0x80000000);
}
return z ; /* atan(-,+) */
case 2: return pi-(z-pi_lo);/* atan(+,-) */
default: /* case 3 */
return (z-pi_lo)-pi;/* atan(-,-) */
}
}

129
libgcc-math/flt-32/e_expf.c
View File

@ -1,129 +0,0 @@
/* Single-precision floating point e^x.
Copyright (C) 1997, 1998, 2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Geoffrey Keating <geoffk@ozemail.com.au>
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
/* How this works:
The input value, x, is written as
x = n * ln(2) + t/512 + delta[t] + x;
where:
- n is an integer, 127 >= n >= -150;
- t is an integer, 177 >= t >= -177
- delta is based on a table entry, delta[t] < 2^-28
- x is whatever is left, |x| < 2^-10
Then e^x is approximated as
e^x = 2^n ( e^(t/512 + delta[t])
+ ( e^(t/512 + delta[t])
* ( p(x + delta[t] + n * ln(2)) - delta ) ) )
where
- p(x) is a polynomial approximating e(x)-1;
- e^(t/512 + delta[t]) is obtained from a table.
The table used is the same one as for the double precision version;
since we have the table, we might as well use it.
It turns out to be faster to do calculations in double precision than
to perform an 'accurate table method' expf, because of the range reduction
overhead (compare exp2f).
*/
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#include <float.h>
#include <ieee754.h>
#include <math_private.h>
extern const float __exp_deltatable[178];
extern const double __exp_atable[355] /* __attribute__((mode(DF))) */;
static const volatile float TWOM100 = 7.88860905e-31;
static const volatile float TWO127 = 1.7014118346e+38;
float
__ieee754_expf (float x)
{
static const float himark = 88.72283935546875;
static const float lomark = -103.972084045410;
/* Check for usual case. */
if (__builtin_isless (x, himark) && __builtin_isgreater (x, lomark))
{
static const float THREEp42 = 13194139533312.0;
static const float THREEp22 = 12582912.0;
/* 1/ln(2). */
#undef M_1_LN2
static const float M_1_LN2 = 1.44269502163f;
/* ln(2) */
#undef M_LN2
static const double M_LN2 = .6931471805599452862;
int tval;
double x22, t, result, dx;
float n, delta;
union ieee754_double ex2_u;
/* Calculate n. */
n = x * M_1_LN2 + THREEp22;
n -= THREEp22;
dx = x - n*M_LN2;
/* Calculate t/512. */
t = dx + THREEp42;
t -= THREEp42;
dx -= t;
/* Compute tval = t. */
tval = (int) (t * 512.0);
if (t >= 0)
delta = - __exp_deltatable[tval];
else
delta = __exp_deltatable[-tval];
/* Compute ex2 = 2^n e^(t/512+delta[t]). */
ex2_u.d = __exp_atable[tval+177];
ex2_u.ieee.exponent += (int) n;
/* Approximate e^(dx+delta) - 1, using a second-degree polynomial,
with maximum error in [-2^-10-2^-28,2^-10+2^-28]
less than 5e-11. */
x22 = (0.5000000496709180453 * dx + 1.0000001192102037084) * dx + delta;
/* Return result. */
result = x22 * ex2_u.d + ex2_u.d;
return (float) result;
}
/* Exceptional cases: */
else if (__builtin_isless (x, himark))
{
if (__isinff (x))
/* e^-inf == 0, with no error. */
return 0;
else
/* Underflow */
return TWOM100 * TWOM100;
}
else
/* Return x, if x is a NaN or Inf; or overflow, otherwise. */
return TWO127*x;
}

66
libgcc-math/flt-32/e_log10f.c
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/* e_log10f.c -- float version of e_log10.c.
* Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
*/
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
#if defined(LIBM_SCCS) && !defined(lint)
static char rcsid[] = "$NetBSD: e_log10f.c,v 1.5 1995/05/10 20:45:53 jtc Exp $";
#endif
#include "math_private.h"
#ifdef __STDC__
static const float
#else
static float
#endif
two25 = 3.3554432000e+07, /* 0x4c000000 */
ivln10 = 4.3429449201e-01, /* 0x3ede5bd9 */
log10_2hi = 3.0102920532e-01, /* 0x3e9a2080 */
log10_2lo = 7.9034151668e-07; /* 0x355427db */
#ifdef __STDC__
static const float zero = 0.0;
#else
static float zero = 0.0;
#endif
#ifdef __STDC__
float __ieee754_log10f(float x)
#else
float __ieee754_log10f(x)
float x;
#endif
{
float y,z;
int32_t i,k,hx;
GET_FLOAT_WORD(hx,x);
k=0;
if (hx < 0x00800000) { /* x < 2**-126 */
if ((hx&0x7fffffff)==0)
return -two25/(x-x); /* log(+-0)=-inf */
if (hx<0) return (x-x)/(x-x); /* log(-#) = NaN */
k -= 25; x *= two25; /* subnormal number, scale up x */
GET_FLOAT_WORD(hx,x);
}
if (hx >= 0x7f800000) return x+x;
k += (hx>>23)-127;
i = ((uint32_t)k&0x80000000)>>31;
hx = (hx&0x007fffff)|((0x7f-i)<<23);
y = (float)(k+i);
SET_FLOAT_WORD(x,hx);
z = y*log10_2lo + ivln10*__ieee754_logf(x);
return z+y*log10_2hi;
}

98
libgcc-math/flt-32/e_logf.c
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@ -1,98 +0,0 @@
/* e_logf.c -- float version of e_log.c.
* Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
*/
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
#if defined(LIBM_SCCS) && !defined(lint)
static char rcsid[] = "$NetBSD: e_logf.c,v 1.4 1995/05/10 20:45:54 jtc Exp $";
#endif
#include "math_private.h"
#ifdef __STDC__
static const float
#else
static float
#endif
ln2_hi = 6.9313812256e-01, /* 0x3f317180 */
ln2_lo = 9.0580006145e-06, /* 0x3717f7d1 */
two25 = 3.355443200e+07, /* 0x4c000000 */
Lg1 = 6.6666668653e-01, /* 3F2AAAAB */
Lg2 = 4.0000000596e-01, /* 3ECCCCCD */
Lg3 = 2.8571429849e-01, /* 3E924925 */
Lg4 = 2.2222198546e-01, /* 3E638E29 */
Lg5 = 1.8183572590e-01, /* 3E3A3325 */
Lg6 = 1.5313838422e-01, /* 3E1CD04F */
Lg7 = 1.4798198640e-01; /* 3E178897 */
#ifdef __STDC__
static const float zero = 0.0;
#else
static float zero = 0.0;
#endif
#ifdef __STDC__
float __ieee754_logf(float x)
#else
float __ieee754_logf(x)
float x;
#endif
{
float hfsq,f,s,z,R,w,t1,t2,dk;
int32_t k,ix,i,j;
GET_FLOAT_WORD(ix,x);
k=0;
if (ix < 0x00800000) { /* x < 2**-126 */
if ((ix&0x7fffffff)==0)
return -two25/(x-x); /* log(+-0)=-inf */
if (ix<0) return (x-x)/(x-x); /* log(-#) = NaN */
k -= 25; x *= two25; /* subnormal number, scale up x */
GET_FLOAT_WORD(ix,x);
}
if (ix >= 0x7f800000) return x+x;
k += (ix>>23)-127;
ix &= 0x007fffff;
i = (ix+(0x95f64<<3))&0x800000;
SET_FLOAT_WORD(x,ix|(i^0x3f800000)); /* normalize x or x/2 */
k += (i>>23);
f = x-(float)1.0;
if((0x007fffff&(15+ix))<16) { /* |f| < 2**-20 */
if(f==zero) {
if(k==0) return zero; else {dk=(float)k;
return dk*ln2_hi+dk*ln2_lo;}
}
R = f*f*((float)0.5-(float)0.33333333333333333*f);
if(k==0) return f-R; else {dk=(float)k;
return dk*ln2_hi-((R-dk*ln2_lo)-f);}
}
s = f/((float)2.0+f);
dk = (float)k;
z = s*s;
i = ix-(0x6147a<<3);
w = z*z;
j = (0x6b851<<3)-ix;
t1= w*(Lg2+w*(Lg4+w*Lg6));
t2= z*(Lg1+w*(Lg3+w*(Lg5+w*Lg7)));
i |= j;
R = t2+t1;
if(i>0) {
hfsq=(float)0.5*f*f;
if(k==0) return f-(hfsq-s*(hfsq+R)); else
return dk*ln2_hi-((hfsq-(s*(hfsq+R)+dk*ln2_lo))-f);
} else {
if(k==0) return f-s*(f-R); else
return dk*ln2_hi-((s*(f-R)-dk*ln2_lo)-f);
}
}

256
libgcc-math/flt-32/e_powf.c
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@ -1,256 +0,0 @@
/* e_powf.c -- float version of e_pow.c.
* Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
*/
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
#if defined(LIBM_SCCS) && !defined(lint)
static char rcsid[] = "$NetBSD: e_powf.c,v 1.7 1996/04/08 15:43:44 phil Exp $";
#endif
#include "math_private.h"
static const float huge = 1.0e+30, tiny = 1.0e-30;
#ifdef __STDC__
static const float
#else
static float
#endif
bp[] = {1.0, 1.5,},
dp_h[] = { 0.0, 5.84960938e-01,}, /* 0x3f15c000 */
dp_l[] = { 0.0, 1.56322085e-06,}, /* 0x35d1cfdc */
zero = 0.0,
one = 1.0,
two = 2.0,
two24 = 16777216.0, /* 0x4b800000 */
/* poly coefs for (3/2)*(log(x)-2s-2/3*s**3 */
L1 = 6.0000002384e-01, /* 0x3f19999a */
L2 = 4.2857143283e-01, /* 0x3edb6db7 */
L3 = 3.3333334327e-01, /* 0x3eaaaaab */
L4 = 2.7272811532e-01, /* 0x3e8ba305 */
L5 = 2.3066075146e-01, /* 0x3e6c3255 */
L6 = 2.0697501302e-01, /* 0x3e53f142 */
P1 = 1.6666667163e-01, /* 0x3e2aaaab */
P2 = -2.7777778450e-03, /* 0xbb360b61 */
P3 = 6.6137559770e-05, /* 0x388ab355 */
P4 = -1.6533901999e-06, /* 0xb5ddea0e */
P5 = 4.1381369442e-08, /* 0x3331bb4c */
lg2 = 6.9314718246e-01, /* 0x3f317218 */
lg2_h = 6.93145752e-01, /* 0x3f317200 */
lg2_l = 1.42860654e-06, /* 0x35bfbe8c */
ovt = 4.2995665694e-08, /* -(128-log2(ovfl+.5ulp)) */
cp = 9.6179670095e-01, /* 0x3f76384f =2/(3ln2) */
cp_h = 9.6179199219e-01, /* 0x3f763800 =head of cp */
cp_l = 4.7017383622e-06, /* 0x369dc3a0 =tail of cp_h */
ivln2 = 1.4426950216e+00, /* 0x3fb8aa3b =1/ln2 */
ivln2_h = 1.4426879883e+00, /* 0x3fb8aa00 =16b 1/ln2*/
ivln2_l = 7.0526075433e-06; /* 0x36eca570 =1/ln2 tail*/
#ifdef __STDC__
float __ieee754_powf(float x, float y)
#else
float __ieee754_powf(x,y)
float x, y;
#endif
{
float z,ax,z_h,z_l,p_h,p_l;
float y1,t1,t2,r,s,t,u,v,w;
int32_t i,j,k,yisint,n;
int32_t hx,hy,ix,iy,is;
GET_FLOAT_WORD(hx,x);
GET_FLOAT_WORD(hy,y);
ix = hx&0x7fffffff; iy = hy&0x7fffffff;
/* y==zero: x**0 = 1 */
if(iy==0) return one;
/* x==+-1 */
if(x == 1.0) return one;
if(x == -1.0 && __isinff(y)) return one;
/* +-NaN return x+y */
if(ix > 0x7f800000 ||
iy > 0x7f800000)
return x+y;
/* determine if y is an odd int when x < 0
* yisint = 0 ... y is not an integer
* yisint = 1 ... y is an odd int
* yisint = 2 ... y is an even int
*/
yisint = 0;
if(hx<0) {
if(iy>=0x4b800000) yisint = 2; /* even integer y */
else if(iy>=0x3f800000) {
k = (iy>>23)-0x7f; /* exponent */
j = iy>>(23-k);
if((j<<(23-k))==iy) yisint = 2-(j&1);
}
}
/* special value of y */
if (iy==0x7f800000) { /* y is +-inf */
if (ix==0x3f800000)
return y - y; /* inf**+-1 is NaN */
else if (ix > 0x3f800000)/* (|x|>1)**+-inf = inf,0 */
return (hy>=0)? y: zero;
else /* (|x|<1)**-,+inf = inf,0 */
return (hy<0)?-y: zero;
}
if(iy==0x3f800000) { /* y is +-1 */
if(hy<0) return one/x; else return x;
}
if(hy==0x40000000) return x*x; /* y is 2 */
if(hy==0x3f000000) { /* y is 0.5 */
if(hx>=0) /* x >= +0 */
return __ieee754_sqrtf(x);
}
ax = fabsf(x);
/* special value of x */
if(ix==0x7f800000||ix==0||ix==0x3f800000){
z = ax; /*x is +-0,+-inf,+-1*/
if(hy<0) z = one/z; /* z = (1/|x|) */
if(hx<0) {
if(((ix-0x3f800000)|yisint)==0) {
z = (z-z)/(z-z); /* (-1)**non-int is NaN */
} else if(yisint==1)
z = -z; /* (x<0)**odd = -(|x|**odd) */
}
return z;
}
/* (x<0)**(non-int) is NaN */
if(((((uint32_t)hx>>31)-1)|yisint)==0) return (x-x)/(x-x);
/* |y| is huge */
if(iy>0x4d000000) { /* if |y| > 2**27 */
/* over/underflow if x is not close to one */
if(ix<0x3f7ffff8) return (hy<0)? huge*huge:tiny*tiny;
if(ix>0x3f800007) return (hy>0)? huge*huge:tiny*tiny;
/* now |1-x| is tiny <= 2**-20, suffice to compute
log(x) by x-x^2/2+x^3/3-x^4/4 */
t = x-1; /* t has 20 trailing zeros */
w = (t*t)*((float)0.5-t*((float)0.333333333333-t*(float)0.25));
u = ivln2_h*t; /* ivln2_h has 16 sig. bits */
v = t*ivln2_l-w*ivln2;
t1 = u+v;
GET_FLOAT_WORD(is,t1);
SET_FLOAT_WORD(t1,is&0xfffff000);
t2 = v-(t1-u);
} else {
float s2,s_h,s_l,t_h,t_l;
n = 0;
/* take care subnormal number */
if(ix<0x00800000)
{ax *= two24; n -= 24; GET_FLOAT_WORD(ix,ax); }
n += ((ix)>>23)-0x7f;
j = ix&0x007fffff;
/* determine interval */
ix = j|0x3f800000; /* normalize ix */
if(j<=0x1cc471) k=0; /* |x|<sqrt(3/2) */
else if(j<0x5db3d7) k=1; /* |x|<sqrt(3) */
else {k=0;n+=1;ix -= 0x00800000;}
SET_FLOAT_WORD(ax,ix);
/* compute s = s_h+s_l = (x-1)/(x+1) or (x-1.5)/(x+1.5) */
u = ax-bp[k]; /* bp[0]=1.0, bp[1]=1.5 */
v = one/(ax+bp[k]);
s = u*v;
s_h = s;
GET_FLOAT_WORD(is,s_h);
SET_FLOAT_WORD(s_h,is&0xfffff000);
/* t_h=ax+bp[k] High */
SET_FLOAT_WORD(t_h,((ix>>1)|0x20000000)+0x0040000+(k<<21));
t_l = ax - (t_h-bp[k]);
s_l = v*((u-s_h*t_h)-s_h*t_l);
/* compute log(ax) */
s2 = s*s;
r = s2*s2*(L1+s2*(L2+s2*(L3+s2*(L4+s2*(L5+s2*L6)))));
r += s_l*(s_h+s);
s2 = s_h*s_h;
t_h = (float)3.0+s2+r;
GET_FLOAT_WORD(is,t_h);
SET_FLOAT_WORD(t_h,is&0xfffff000);
t_l = r-((t_h-(float)3.0)-s2);
/* u+v = s*(1+...) */
u = s_h*t_h;
v = s_l*t_h+t_l*s;
/* 2/(3log2)*(s+...) */
p_h = u+v;
GET_FLOAT_WORD(is,p_h);
SET_FLOAT_WORD(p_h,is&0xfffff000);
p_l = v-(p_h-u);
z_h = cp_h*p_h; /* cp_h+cp_l = 2/(3*log2) */
z_l = cp_l*p_h+p_l*cp+dp_l[k];
/* log2(ax) = (s+..)*2/(3*log2) = n + dp_h + z_h + z_l */
t = (float)n;
t1 = (((z_h+z_l)+dp_h[k])+t);
GET_FLOAT_WORD(is,t1);
SET_FLOAT_WORD(t1,is&0xfffff000);
t2 = z_l-(((t1-t)-dp_h[k])-z_h);
}
s = one; /* s (sign of result -ve**odd) = -1 else = 1 */
if(((((uint32_t)hx>>31)-1)|(yisint-1))==0)
s = -one; /* (-ve)**(odd int) */
/* split up y into y1+y2 and compute (y1+y2)*(t1+t2) */
GET_FLOAT_WORD(is,y);
SET_FLOAT_WORD(y1,is&0xfffff000);
p_l = (y-y1)*t1+y*t2;
p_h = y1*t1;
z = p_l+p_h;
GET_FLOAT_WORD(j,z);
if (j>0x43000000) /* if z > 128 */
return s*huge*huge; /* overflow */
else if (j==0x43000000) { /* if z == 128 */
if(p_l+ovt>z-p_h) return s*huge*huge; /* overflow */
}
else if ((j&0x7fffffff)>0x43160000) /* z <= -150 */
return s*tiny*tiny; /* underflow */
else if ((uint32_t) j==0xc3160000){ /* z == -150 */
if(p_l<=z-p_h) return s*tiny*tiny; /* underflow */
}
/*
* compute 2**(p_h+p_l)
*/
i = j&0x7fffffff;
k = (i>>23)-0x7f;
n = 0;
if(i>0x3f000000) { /* if |z| > 0.5, set n = [z+0.5] */
n = j+(0x00800000>>(k+1));
k = ((n&0x7fffffff)>>23)-0x7f; /* new k for n */
SET_FLOAT_WORD(t,n&~(0x007fffff>>k));
n = ((n&0x007fffff)|0x00800000)>>(23-k);
if(j<0) n = -n;
p_h -= t;
}
t = p_l+p_h;
GET_FLOAT_WORD(is,t);
SET_FLOAT_WORD(t,is&0xfffff000);
u = t*lg2_h;
v = (p_l-(t-p_h))*lg2+t*lg2_l;
z = u+v;
w = v-(z-u);
t = z*z;
t1 = z - t*(P1+t*(P2+t*(P3+t*(P4+t*P5))));
r = (z*t1)/(t1-two)-(w+z*w);
z = one-(r-z);
GET_FLOAT_WORD(j,z);
j += (n<<23);
if((j>>23)<=0) z = __scalbnf(z,n); /* subnormal output */
else SET_FLOAT_WORD(z,j);
return s*z;
}

195
libgcc-math/flt-32/e_rem_pio2f.c
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@ -1,195 +0,0 @@
/* e_rem_pio2f.c -- float version of e_rem_pio2.c
* Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
*/
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
#if defined(LIBM_SCCS) && !defined(lint)
static char rcsid[] = "$NetBSD: e_rem_pio2f.c,v 1.5 1995/05/10 20:46:03 jtc Exp $";
#endif
/* __ieee754_rem_pio2f(x,y)
*
* return the remainder of x rem pi/2 in y[0]+y[1]
* use __kernel_rem_pio2f()
*/
#include "math_private.h"
/*
* Table of constants for 2/pi, 396 Hex digits (476 decimal) of 2/pi
*/
#ifdef __STDC__
static const int32_t two_over_pi[] = {
#else
static int32_t two_over_pi[] = {
#endif
0xA2, 0xF9, 0x83, 0x6E, 0x4E, 0x44, 0x15, 0x29, 0xFC,
0x27, 0x57, 0xD1, 0xF5, 0x34, 0xDD, 0xC0, 0xDB, 0x62,
0x95, 0x99, 0x3C, 0x43, 0x90, 0x41, 0xFE, 0x51, 0x63,
0xAB, 0xDE, 0xBB, 0xC5, 0x61, 0xB7, 0x24, 0x6E, 0x3A,
0x42, 0x4D, 0xD2, 0xE0, 0x06, 0x49, 0x2E, 0xEA, 0x09,
0xD1, 0x92, 0x1C, 0xFE, 0x1D, 0xEB, 0x1C, 0xB1, 0x29,
0xA7, 0x3E, 0xE8, 0x82, 0x35, 0xF5, 0x2E, 0xBB, 0x44,
0x84, 0xE9, 0x9C, 0x70, 0x26, 0xB4, 0x5F, 0x7E, 0x41,
0x39, 0x91, 0xD6, 0x39, 0x83, 0x53, 0x39, 0xF4, 0x9C,
0x84, 0x5F, 0x8B, 0xBD, 0xF9, 0x28, 0x3B, 0x1F, 0xF8,
0x97, 0xFF, 0xDE, 0x05, 0x98, 0x0F, 0xEF, 0x2F, 0x11,
0x8B, 0x5A, 0x0A, 0x6D, 0x1F, 0x6D, 0x36, 0x7E, 0xCF,
0x27, 0xCB, 0x09, 0xB7, 0x4F, 0x46, 0x3F, 0x66, 0x9E,
0x5F, 0xEA, 0x2D, 0x75, 0x27, 0xBA, 0xC7, 0xEB, 0xE5,
0xF1, 0x7B, 0x3D, 0x07, 0x39, 0xF7, 0x8A, 0x52, 0x92,
0xEA, 0x6B, 0xFB, 0x5F, 0xB1, 0x1F, 0x8D, 0x5D, 0x08,
0x56, 0x03, 0x30, 0x46, 0xFC, 0x7B, 0x6B, 0xAB, 0xF0,
0xCF, 0xBC, 0x20, 0x9A, 0xF4, 0x36, 0x1D, 0xA9, 0xE3,
0x91, 0x61, 0x5E, 0xE6, 0x1B, 0x08, 0x65, 0x99, 0x85,
0x5F, 0x14, 0xA0, 0x68, 0x40, 0x8D, 0xFF, 0xD8, 0x80,
0x4D, 0x73, 0x27, 0x31, 0x06, 0x06, 0x15, 0x56, 0xCA,
0x73, 0xA8, 0xC9, 0x60, 0xE2, 0x7B, 0xC0, 0x8C, 0x6B,
};
/* This array is like the one in e_rem_pio2.c, but the numbers are
single precision and the last 8 bits are forced to 0. */
#ifdef __STDC__
static const int32_t npio2_hw[] = {
#else
static int32_t npio2_hw[] = {
#endif
0x3fc90f00, 0x40490f00, 0x4096cb00, 0x40c90f00, 0x40fb5300, 0x4116cb00,
0x412fed00, 0x41490f00, 0x41623100, 0x417b5300, 0x418a3a00, 0x4196cb00,
0x41a35c00, 0x41afed00, 0x41bc7e00, 0x41c90f00, 0x41d5a000, 0x41e23100,
0x41eec200, 0x41fb5300, 0x4203f200, 0x420a3a00, 0x42108300, 0x4216cb00,
0x421d1400, 0x42235c00, 0x4229a500, 0x422fed00, 0x42363600, 0x423c7e00,
0x4242c700, 0x42490f00
};
/*
* invpio2: 24 bits of 2/pi
* pio2_1: first 17 bit of pi/2
* pio2_1t: pi/2 - pio2_1
* pio2_2: second 17 bit of pi/2
* pio2_2t: pi/2 - (pio2_1+pio2_2)
* pio2_3: third 17 bit of pi/2
* pio2_3t: pi/2 - (pio2_1+pio2_2+pio2_3)
*/
#ifdef __STDC__
static const float
#else
static float
#endif
zero = 0.0000000000e+00, /* 0x00000000 */
half = 5.0000000000e-01, /* 0x3f000000 */
two8 = 2.5600000000e+02, /* 0x43800000 */
invpio2 = 6.3661980629e-01, /* 0x3f22f984 */
pio2_1 = 1.5707855225e+00, /* 0x3fc90f80 */
pio2_1t = 1.0804334124e-05, /* 0x37354443 */
pio2_2 = 1.0804273188e-05, /* 0x37354400 */
pio2_2t = 6.0770999344e-11, /* 0x2e85a308 */
pio2_3 = 6.0770943833e-11, /* 0x2e85a300 */
pio2_3t = 6.1232342629e-17; /* 0x248d3132 */
#ifdef __STDC__
int32_t __ieee754_rem_pio2f(float x, float *y)
#else
int32_t __ieee754_rem_pio2f(x,y)
float x,y[];
#endif
{
float z,w,t,r,fn;
float tx[3];
int32_t e0,i,j,nx,n,ix,hx;
GET_FLOAT_WORD(hx,x);
ix = hx&0x7fffffff;
if(ix<=0x3f490fd8) /* |x| ~<= pi/4 , no need for reduction */
{y[0] = x; y[1] = 0; return 0;}
if(ix<0x4016cbe4) { /* |x| < 3pi/4, special case with n=+-1 */
if(hx>0) {
z = x - pio2_1;
if((ix&0xfffffff0)!=0x3fc90fd0) { /* 24+24 bit pi OK */
y[0] = z - pio2_1t;
y[1] = (z-y[0])-pio2_1t;
} else { /* near pi/2, use 24+24+24 bit pi */
z -= pio2_2;
y[0] = z - pio2_2t;
y[1] = (z-y[0])-pio2_2t;
}
return 1;
} else { /* negative x */
z = x + pio2_1;
if((ix&0xfffffff0)!=0x3fc90fd0) { /* 24+24 bit pi OK */
y[0] = z + pio2_1t;
y[1] = (z-y[0])+pio2_1t;
} else { /* near pi/2, use 24+24+24 bit pi */
z += pio2_2;
y[0] = z + pio2_2t;
y[1] = (z-y[0])+pio2_2t;
}
return -1;
}
}
if(ix<=0x43490f80) { /* |x| ~<= 2^7*(pi/2), medium size */
t = fabsf(x);
n = (int32_t) (t*invpio2+half);
fn = (float)n;
r = t-fn*pio2_1;
w = fn*pio2_1t; /* 1st round good to 40 bit */
if(n<32&&(int32_t)(ix&0xffffff00)!=npio2_hw[n-1]) {
y[0] = r-w; /* quick check no cancellation */
} else {
uint32_t high;
j = ix>>23;
y[0] = r-w;
GET_FLOAT_WORD(high,y[0]);
i = j-((high>>23)&0xff);
if(i>8) { /* 2nd iteration needed, good to 57 */
t = r;
w = fn*pio2_2;
r = t-w;
w = fn*pio2_2t-((t-r)-w);
y[0] = r-w;
GET_FLOAT_WORD(high,y[0]);
i = j-((high>>23)&0xff);
if(i>25) { /* 3rd iteration need, 74 bits acc */
t = r; /* will cover all possible cases */
w = fn*pio2_3;
r = t-w;
w = fn*pio2_3t-((t-r)-w);
y[0] = r-w;
}
}
}
y[1] = (r-y[0])-w;
if(hx<0) {y[0] = -y[0]; y[1] = -y[1]; return -n;}
else return n;
}
/*
* all other (large) arguments
*/
if(ix>=0x7f800000) { /* x is inf or NaN */
y[0]=y[1]=x-x; return 0;
}
/* set z = scalbn(|x|,ilogb(x)-7) */
e0 = (ix>>23)-134; /* e0 = ilogb(z)-7; */
SET_FLOAT_WORD(z, ix - ((int32_t)(e0<<23)));
for(i=0;i<2;i++) {
tx[i] = (float)((int32_t)(z));
z = (z-tx[i])*two8;
}
tx[2] = z;
nx = 3;
while(tx[nx-1]==zero) nx--; /* skip zero term */
n = __kernel_rem_pio2f(tx,y,e0,nx,2,two_over_pi);
if(hx<0) {y[0] = -y[0]; y[1] = -y[1]; return -n;}
return n;
}

96
libgcc-math/flt-32/e_sqrtf.c
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@ -1,96 +0,0 @@
/* e_sqrtf.c -- float version of e_sqrt.c.
* Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
*/
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
#if defined(LIBM_SCCS) && !defined(lint)
static char rcsid[] = "$NetBSD: e_sqrtf.c,v 1.4 1995/05/10 20:46:19 jtc Exp $";
#endif
#include "math_private.h"
#ifdef __STDC__
static const float one = 1.0, tiny=1.0e-30;
#else
static float one = 1.0, tiny=1.0e-30;
#endif
#ifdef __STDC__
float __ieee754_sqrtf(float x)
#else
float __ieee754_sqrtf(x)
float x;
#endif
{
float z;
int32_t sign = (int)0x80000000;
int32_t ix,s,q,m,t,i;
uint32_t r;
GET_FLOAT_WORD(ix,x);
/* take care of Inf and NaN */
if((ix&0x7f800000)==0x7f800000) {
return x*x+x; /* sqrt(NaN)=NaN, sqrt(+inf)=+inf
sqrt(-inf)=sNaN */
}
/* take care of zero */
if(ix<=0) {
if((ix&(~sign))==0) return x;/* sqrt(+-0) = +-0 */
else if(ix<0)
return (x-x)/(x-x); /* sqrt(-ve) = sNaN */
}
/* normalize x */
m = (ix>>23);
if(m==0) { /* subnormal x */
for(i=0;(ix&0x00800000)==0;i++) ix<<=1;
m -= i-1;
}
m -= 127; /* unbias exponent */
ix = (ix&0x007fffff)|0x00800000;
if(m&1) /* odd m, double x to make it even */
ix += ix;
m >>= 1; /* m = [m/2] */
/* generate sqrt(x) bit by bit */
ix += ix;
q = s = 0; /* q = sqrt(x) */
r = 0x01000000; /* r = moving bit from right to left */
while(r!=0) {
t = s+r;
if(t<=ix) {
s = t+r;
ix -= t;
q += r;
}
ix += ix;
r>>=1;
}
/* use floating add to find out rounding direction */
if(ix!=0) {
z = one-tiny; /* trigger inexact flag */
if (z>=one) {
z = one+tiny;
if (z>one)
q += 2;
else
q += (q&1);
}
}
ix = (q>>1)+0x3f000000;
ix += (m <<23);
SET_FLOAT_WORD(z,ix);
return z;
}

63
libgcc-math/flt-32/k_cosf.c
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@ -1,63 +0,0 @@
/* k_cosf.c -- float version of k_cos.c
* Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
*/
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
#if defined(LIBM_SCCS) && !defined(lint)
static char rcsid[] = "$NetBSD: k_cosf.c,v 1.4 1995/05/10 20:46:23 jtc Exp $";
#endif
#include "math_private.h"
#ifdef __STDC__
static const float
#else
static float
#endif
one = 1.0000000000e+00, /* 0x3f800000 */
C1 = 4.1666667908e-02, /* 0x3d2aaaab */
C2 = -1.3888889225e-03, /* 0xbab60b61 */
C3 = 2.4801587642e-05, /* 0x37d00d01 */
C4 = -2.7557314297e-07, /* 0xb493f27c */
C5 = 2.0875723372e-09, /* 0x310f74f6 */
C6 = -1.1359647598e-11; /* 0xad47d74e */
#ifdef __STDC__
float __kernel_cosf(float x, float y)
#else
float __kernel_cosf(x, y)
float x,y;
#endif
{
float a,hz,z,r,qx;
int32_t ix;
GET_FLOAT_WORD(ix,x);
ix &= 0x7fffffff; /* ix = |x|'s high word*/
if(ix<0x32000000) { /* if x < 2**27 */
if(((int)x)==0) return one; /* generate inexact */
}
z = x*x;
r = z*(C1+z*(C2+z*(C3+z*(C4+z*(C5+z*C6)))));
if(ix < 0x3e99999a) /* if |x| < 0.3 */
return one - ((float)0.5*z - (z*r - x*y));
else {
if(ix > 0x3f480000) { /* x > 0.78125 */
qx = (float)0.28125;
} else {
SET_FLOAT_WORD(qx,ix-0x01000000); /* x/4 */
}
hz = (float)0.5*z-qx;
a = one-qx;
return a - (hz - (z*r-x*y));
}
}

212
libgcc-math/flt-32/k_rem_pio2f.c
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@ -1,212 +0,0 @@
/* k_rem_pio2f.c -- float version of k_rem_pio2.c
* Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
*/
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
#if defined(LIBM_SCCS) && !defined(lint)
static char rcsid[] = "$NetBSD: k_rem_pio2f.c,v 1.4 1995/05/10 20:46:28 jtc Exp $";
#endif
#include "math_private.h"
/* In the float version, the input parameter x contains 8 bit
integers, not 24 bit integers. 113 bit precision is not supported. */
#ifdef __STDC__
static const int init_jk[] = {4,7,9}; /* initial value for jk */
#else
static int init_jk[] = {4,7,9};
#endif
#ifdef __STDC__
static const float PIo2[] = {
#else
static float PIo2[] = {
#endif
1.5703125000e+00, /* 0x3fc90000 */
4.5776367188e-04, /* 0x39f00000 */
2.5987625122e-05, /* 0x37da0000 */
7.5437128544e-08, /* 0x33a20000 */
6.0026650317e-11, /* 0x2e840000 */
7.3896444519e-13, /* 0x2b500000 */
5.3845816694e-15, /* 0x27c20000 */
5.6378512969e-18, /* 0x22d00000 */
8.3009228831e-20, /* 0x1fc40000 */
3.2756352257e-22, /* 0x1bc60000 */
6.3331015649e-25, /* 0x17440000 */
};
#ifdef __STDC__
static const float
#else
static float
#endif
zero = 0.0,
one = 1.0,
two8 = 2.5600000000e+02, /* 0x43800000 */
twon8 = 3.9062500000e-03; /* 0x3b800000 */
#ifdef __STDC__
int __kernel_rem_pio2f(float *x, float *y, int e0, int nx, int prec, const int32_t *ipio2)
#else
int __kernel_rem_pio2f(x,y,e0,nx,prec,ipio2)
float x[], y[]; int e0,nx,prec; int32_t ipio2[];
#endif
{
int32_t jz,jx,jv,jp,jk,carry,n,iq[20],i,j,k,m,q0,ih;
float z,fw,f[20],fq[20],q[20];
/* initialize jk*/
jk = init_jk[prec];
jp = jk;
/* determine jx,jv,q0, note that 3>q0 */
jx = nx-1;
jv = (e0-3)/8; if(jv<0) jv=0;
q0 = e0-8*(jv+1);
/* set up f[0] to f[jx+jk] where f[jx+jk] = ipio2[jv+jk] */
j = jv-jx; m = jx+jk;
for(i=0;i<=m;i++,j++) f[i] = (j<0)? zero : (float) ipio2[j];
/* compute q[0],q[1],...q[jk] */
for (i=0;i<=jk;i++) {
for(j=0,fw=0.0;j<=jx;j++) fw += x[j]*f[jx+i-j]; q[i] = fw;
}
jz = jk;
recompute:
/* distill q[] into iq[] reversingly */
for(i=0,j=jz,z=q[jz];j>0;i++,j--) {
fw = (float)((int32_t)(twon8* z));
iq[i] = (int32_t)(z-two8*fw);
z = q[j-1]+fw;
}
/* compute n */
z = __scalbnf(z,q0); /* actual value of z */
z -= (float)8.0*__floorf(z*(float)0.125); /* trim off integer >= 8 */
n = (int32_t) z;
z -= (float)n;
ih = 0;
if(q0>0) { /* need iq[jz-1] to determine n */
i = (iq[jz-1]>>(8-q0)); n += i;
iq[jz-1] -= i<<(8-q0);
ih = iq[jz-1]>>(7-q0);
}
else if(q0==0) ih = iq[jz-1]>>8;
else if(z>=(float)0.5) ih=2;
if(ih>0) { /* q > 0.5 */
n += 1; carry = 0;
for(i=0;i<jz ;i++) { /* compute 1-q */
j = iq[i];
if(carry==0) {
if(j!=0) {
carry = 1; iq[i] = 0x100- j;
}
} else iq[i] = 0xff - j;
}
if(q0>0) { /* rare case: chance is 1 in 12 */
switch(q0) {
case 1:
iq[jz-1] &= 0x7f; break;
case 2:
iq[jz-1] &= 0x3f; break;
}
}
if(ih==2) {
z = one - z;
if(carry!=0) z -= __scalbnf(one,q0);
}
}
/* check if recomputation is needed */
if(z==zero) {
j = 0;
for (i=jz-1;i>=jk;i--) j |= iq[i];
if(j==0) { /* need recomputation */
for(k=1;iq[jk-k]==0;k++); /* k = no. of terms needed */
for(i=jz+1;i<=jz+k;i++) { /* add q[jz+1] to q[jz+k] */
f[jx+i] = (float) ipio2[jv+i];
for(j=0,fw=0.0;j<=jx;j++) fw += x[j]*f[jx+i-j];
q[i] = fw;
}
jz += k;
goto recompute;
}
}
/* chop off zero terms */
if(z==(float)0.0) {
jz -= 1; q0 -= 8;
while(iq[jz]==0) { jz--; q0-=8;}
} else { /* break z into 8-bit if necessary */
z = __scalbnf(z,-q0);
if(z>=two8) {
fw = (float)((int32_t)(twon8*z));
iq[jz] = (int32_t)(z-two8*fw);
jz += 1; q0 += 8;
iq[jz] = (int32_t) fw;
} else iq[jz] = (int32_t) z ;
}
/* convert integer "bit" chunk to floating-point value */
fw = __scalbnf(one,q0);
for(i=jz;i>=0;i--) {
q[i] = fw*(float)iq[i]; fw*=twon8;
}
/* compute PIo2[0,...,jp]*q[jz,...,0] */
for(i=jz;i>=0;i--) {
for(fw=0.0,k=0;k<=jp&&k<=jz-i;k++) fw += PIo2[k]*q[i+k];
fq[jz-i] = fw;
}
/* compress fq[] into y[] */
switch(prec) {
case 0:
fw = 0.0;
for (i=jz;i>=0;i--) fw += fq[i];
y[0] = (ih==0)? fw: -fw;
break;
case 1:
case 2:
fw = 0.0;
for (i=jz;i>=0;i--) fw += fq[i];
y[0] = (ih==0)? fw: -fw;
fw = fq[0]-fw;
for (i=1;i<=jz;i++) fw += fq[i];
y[1] = (ih==0)? fw: -fw;
break;
case 3: /* painful */
for (i=jz;i>0;i--) {
fw = fq[i-1]+fq[i];
fq[i] += fq[i-1]-fw;
fq[i-1] = fw;
}
for (i=jz;i>1;i--) {
fw = fq[i-1]+fq[i];
fq[i] += fq[i-1]-fw;
fq[i-1] = fw;
}
for (fw=0.0,i=jz;i>=2;i--) fw += fq[i];
if(ih==0) {
y[0] = fq[0]; y[1] = fq[1]; y[2] = fw;
} else {
y[0] = -fq[0]; y[1] = -fq[1]; y[2] = -fw;
}
}
return n&7;
}

53
libgcc-math/flt-32/k_sinf.c
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@ -1,53 +0,0 @@
/* k_sinf.c -- float version of k_sin.c
* Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
*/
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
#if defined(LIBM_SCCS) && !defined(lint)
static char rcsid[] = "$NetBSD: k_sinf.c,v 1.4 1995/05/10 20:46:33 jtc Exp $";
#endif
#include "math_private.h"
#ifdef __STDC__
static const float
#else
static float
#endif
half = 5.0000000000e-01,/* 0x3f000000 */
S1 = -1.6666667163e-01, /* 0xbe2aaaab */
S2 = 8.3333337680e-03, /* 0x3c088889 */
S3 = -1.9841270114e-04, /* 0xb9500d01 */
S4 = 2.7557314297e-06, /* 0x3638ef1b */
S5 = -2.5050759689e-08, /* 0xb2d72f34 */
S6 = 1.5896910177e-10; /* 0x2f2ec9d3 */
#ifdef __STDC__
float __kernel_sinf(float x, float y, int iy)
#else
float __kernel_sinf(x, y, iy)
float x,y; int iy; /* iy=0 if y is zero */
#endif
{
float z,r,v;
int32_t ix;
GET_FLOAT_WORD(ix,x);
ix &= 0x7fffffff; /* high word of x */
if(ix<0x32000000) /* |x| < 2**-27 */
{if((int)x==0) return x;} /* generate inexact */
z = x*x;
v = z*x;
r = S2+z*(S3+z*(S4+z*(S5+z*S6)));
if(iy==0) return x+v*(S1+z*r);
else return x-((z*(half*y-v*r)-y)-v*S1);
}

100
libgcc-math/flt-32/k_tanf.c
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@ -1,100 +0,0 @@
/* k_tanf.c -- float version of k_tan.c
* Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
*/
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
#if defined(LIBM_SCCS) && !defined(lint)
static char rcsid[] = "$NetBSD: k_tanf.c,v 1.4 1995/05/10 20:46:39 jtc Exp $";
#endif
#include "math_private.h"
#ifdef __STDC__
static const float
#else
static float
#endif
one = 1.0000000000e+00, /* 0x3f800000 */
pio4 = 7.8539812565e-01, /* 0x3f490fda */
pio4lo= 3.7748947079e-08, /* 0x33222168 */
T[] = {
3.3333334327e-01, /* 0x3eaaaaab */
1.3333334029e-01, /* 0x3e088889 */
5.3968254477e-02, /* 0x3d5d0dd1 */
2.1869488060e-02, /* 0x3cb327a4 */
8.8632395491e-03, /* 0x3c11371f */
3.5920790397e-03, /* 0x3b6b6916 */
1.4562094584e-03, /* 0x3abede48 */
5.8804126456e-04, /* 0x3a1a26c8 */
2.4646313977e-04, /* 0x398137b9 */
7.8179444245e-05, /* 0x38a3f445 */
7.1407252108e-05, /* 0x3895c07a */
-1.8558637748e-05, /* 0xb79bae5f */
2.5907305826e-05, /* 0x37d95384 */
};
#ifdef __STDC__
float __kernel_tanf(float x, float y, int iy)
#else
float __kernel_tanf(x, y, iy)
float x,y; int iy;
#endif
{
float z,r,v,w,s;
int32_t ix,hx;
GET_FLOAT_WORD(hx,x);
ix = hx&0x7fffffff; /* high word of |x| */
if(ix<0x31800000) /* x < 2**-28 */
{if((int)x==0) { /* generate inexact */
if((ix|(iy+1))==0) return one/fabsf(x);
else return (iy==1)? x: -one/x;
}
}
if(ix>=0x3f2ca140) { /* |x|>=0.6744 */
if(hx<0) {x = -x; y = -y;}
z = pio4-x;
w = pio4lo-y;
x = z+w; y = 0.0;
}
z = x*x;
w = z*z;
/* Break x^5*(T[1]+x^2*T[2]+...) into
* x^5(T[1]+x^4*T[3]+...+x^20*T[11]) +
* x^5(x^2*(T[2]+x^4*T[4]+...+x^22*[T12]))
*/
r = T[1]+w*(T[3]+w*(T[5]+w*(T[7]+w*(T[9]+w*T[11]))));
v = z*(T[2]+w*(T[4]+w*(T[6]+w*(T[8]+w*(T[10]+w*T[12])))));
s = z*x;
r = y + z*(s*(r+v)+y);
r += T[0]*s;
w = x+r;
if(ix>=0x3f2ca140) {
v = (float)iy;
return (float)(1-((hx>>30)&2))*(v-(float)2.0*(x-(w*w/(w+v)-r)));
}
if(iy==1) return w;
else { /* if allow error up to 2 ulp,
simply return -1.0/(x+r) here */
/* compute -1.0/(x+r) accurately */
float a,t;
int32_t i;
z = w;
GET_FLOAT_WORD(i,z);
SET_FLOAT_WORD(z,i&0xfffff000);
v = r-(z - x); /* z+v = r+x */
t = a = -(float)1.0/w; /* a = -1.0/w */
GET_FLOAT_WORD(i,t);
SET_FLOAT_WORD(t,i&0xfffff000);
s = (float)1.0+t*z;
return t+a*(s+t*v);
}
}

119
libgcc-math/flt-32/s_atanf.c
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@ -1,119 +0,0 @@
/* s_atanf.c -- float version of s_atan.c.
* Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
*/
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
#if defined(LIBM_SCCS) && !defined(lint)
static char rcsid[] = "$NetBSD: s_atanf.c,v 1.4 1995/05/10 20:46:47 jtc Exp $";
#endif
#include "math_private.h"
#ifdef __STDC__
static const float atanhi[] = {
#else
static float atanhi[] = {
#endif
4.6364760399e-01, /* atan(0.5)hi 0x3eed6338 */
7.8539812565e-01, /* atan(1.0)hi 0x3f490fda */
9.8279368877e-01, /* atan(1.5)hi 0x3f7b985e */
1.5707962513e+00, /* atan(inf)hi 0x3fc90fda */
};
#ifdef __STDC__
static const float atanlo[] = {
#else
static float atanlo[] = {
#endif
5.0121582440e-09, /* atan(0.5)lo 0x31ac3769 */
3.7748947079e-08, /* atan(1.0)lo 0x33222168 */
3.4473217170e-08, /* atan(1.5)lo 0x33140fb4 */
7.5497894159e-08, /* atan(inf)lo 0x33a22168 */
};
#ifdef __STDC__
static const float aT[] = {
#else
static float aT[] = {
#endif
3.3333334327e-01, /* 0x3eaaaaaa */
-2.0000000298e-01, /* 0xbe4ccccd */
1.4285714924e-01, /* 0x3e124925 */
-1.1111110449e-01, /* 0xbde38e38 */
9.0908870101e-02, /* 0x3dba2e6e */
-7.6918758452e-02, /* 0xbd9d8795 */
6.6610731184e-02, /* 0x3d886b35 */
-5.8335702866e-02, /* 0xbd6ef16b */
4.9768779427e-02, /* 0x3d4bda59 */
-3.6531571299e-02, /* 0xbd15a221 */
1.6285819933e-02, /* 0x3c8569d7 */
};
#ifdef __STDC__
static const float
#else
static float
#endif
one = 1.0,
huge = 1.0e30;
#ifdef __STDC__
float __atanf(float x)
#else
float __atanf(x)
float x;
#endif
{
float w,s1,s2,z;
int32_t ix,hx,id;
GET_FLOAT_WORD(hx,x);
ix = hx&0x7fffffff;
if(ix>=0x50800000) { /* if |x| >= 2^34 */
if(ix>0x7f800000)
return x+x; /* NaN */
if(hx>0) return atanhi[3]+atanlo[3];
else return -atanhi[3]-atanlo[3];
} if (ix < 0x3ee00000) { /* |x| < 0.4375 */
if (ix < 0x31000000) { /* |x| < 2^-29 */
if(huge+x>one) return x; /* raise inexact */
}
id = -1;
} else {
x = fabsf(x);
if (ix < 0x3f980000) { /* |x| < 1.1875 */
if (ix < 0x3f300000) { /* 7/16 <=|x|<11/16 */
id = 0; x = ((float)2.0*x-one)/((float)2.0+x);
} else { /* 11/16<=|x|< 19/16 */
id = 1; x = (x-one)/(x+one);
}
} else {
if (ix < 0x401c0000) { /* |x| < 2.4375 */
id = 2; x = (x-(float)1.5)/(one+(float)1.5*x);
} else { /* 2.4375 <= |x| < 2^66 */
id = 3; x = -(float)1.0/x;
}
}}
/* end of argument reduction */
z = x*x;
w = z*z;
/* break sum from i=0 to 10 aT[i]z**(i+1) into odd and even poly */
s1 = z*(aT[0]+w*(aT[2]+w*(aT[4]+w*(aT[6]+w*(aT[8]+w*aT[10])))));
s2 = w*(aT[1]+w*(aT[3]+w*(aT[5]+w*(aT[7]+w*aT[9]))));
if (id<0) return x - x*(s1+s2);
else {
z = atanhi[id] - ((x*(s1+s2) - atanlo[id]) - x);
return (hx<0)? -z:z;
}
}
weak_alias (__atanf, atanf)

59
libgcc-math/flt-32/s_cosf.c
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@ -1,59 +0,0 @@
/* s_cosf.c -- float version of s_cos.c.
* Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
*/
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
#if defined(LIBM_SCCS) && !defined(lint)
static char rcsid[] = "$NetBSD: s_cosf.c,v 1.4 1995/05/10 20:47:03 jtc Exp $";
#endif
#include "math_private.h"
#ifdef __STDC__
static const float one=1.0;
#else
static float one=1.0;
#endif
#ifdef __STDC__
float __cosf(float x)
#else
float __cosf(x)
float x;
#endif
{
float y[2],z=0.0;
int32_t n,ix;
GET_FLOAT_WORD(ix,x);
/* |x| ~< pi/4 */
ix &= 0x7fffffff;
if(ix <= 0x3f490fd8) return __kernel_cosf(x,z);
/* cos(Inf or NaN) is NaN */
else if (ix>=0x7f800000) return x-x;
/* argument reduction needed */
else {
n = __ieee754_rem_pio2f(x,y);
switch(n&3) {
case 0: return __kernel_cosf(y[0],y[1]);
case 1: return -__kernel_sinf(y[0],y[1],1);
case 2: return -__kernel_cosf(y[0],y[1]);
default:
return __kernel_sinf(y[0],y[1],1);
}
}
}
weak_alias (__cosf, cosf)

70
libgcc-math/flt-32/s_floorf.c
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@ -1,70 +0,0 @@
/* s_floorf.c -- float version of s_floor.c.
* Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
*/
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
#if defined(LIBM_SCCS) && !defined(lint)
static char rcsid[] = "$NetBSD: s_floorf.c,v 1.4 1995/05/10 20:47:22 jtc Exp $";
#endif
/*
* floorf(x)
* Return x rounded toward -inf to integral value
* Method:
* Bit twiddling.
* Exception:
* Inexact flag raised if x not equal to floorf(x).
*/
#include "math_private.h"
#ifdef __STDC__
static const float huge = 1.0e30;
#else
static float huge = 1.0e30;
#endif
#ifdef __STDC__
float __floorf(float x)
#else
float __floorf(x)
float x;
#endif
{
int32_t i0,j0;
uint32_t i;
GET_FLOAT_WORD(i0,x);
j0 = ((i0>>23)&0xff)-0x7f;
if(j0<23) {
if(j0<0) { /* raise inexact if x != 0 */
if(huge+x>(float)0.0) {/* return 0*sign(x) if |x|<1 */
if(i0>=0) {i0=0;}
else if((i0&0x7fffffff)!=0)
{ i0=0xbf800000;}
}
} else {
i = (0x007fffff)>>j0;
if((i0&i)==0) return x; /* x is integral */
if(huge+x>(float)0.0) { /* raise inexact flag */
if(i0<0) i0 += (0x00800000)>>j0;
i0 &= (~i);
}
}
} else {
if(j0==0x80) return x+x; /* inf or NaN */
else return x; /* x is integral */
}
SET_FLOAT_WORD(x,i0);
return x;
}
weak_alias (__floorf, floorf)

28
libgcc-math/flt-32/s_isinff.c
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@ -1,28 +0,0 @@
/*
* Written by J.T. Conklin <jtc@netbsd.org>.
* Public domain.
*/
#if defined(LIBM_SCCS) && !defined(lint)
static char rcsid[] = "$NetBSD: s_isinff.c,v 1.3 1995/05/11 23:20:21 jtc Exp $";
#endif
/*
* isinff(x) returns 1 if x is inf, -1 if x is -inf, else 0;
* no branching!
*/
#include "math_private.h"
int
__isinff (float x)
{
int32_t ix,t;
GET_FLOAT_WORD(ix,x);
t = ix & 0x7fffffff;
t ^= 0x7f800000;
t |= -t;
return ~(t >> 31) & (ix >> 30);
}
hidden_def (__isinff)
weak_alias (__isinff, isinff)

62
libgcc-math/flt-32/s_scalbnf.c
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@ -1,62 +0,0 @@
/* s_scalbnf.c -- float version of s_scalbn.c.
* Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
*/
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
#if defined(LIBM_SCCS) && !defined(lint)
static char rcsid[] = "$NetBSD: s_scalbnf.c,v 1.4 1995/05/10 20:48:10 jtc Exp $";
#endif
#include "math_private.h"
#ifdef __STDC__
static const float
#else
static float
#endif
two25 = 3.355443200e+07, /* 0x4c000000 */
twom25 = 2.9802322388e-08, /* 0x33000000 */
huge = 1.0e+30,
tiny = 1.0e-30;
#ifdef __STDC__
float __scalbnf (float x, int n)
#else
float __scalbnf (x,n)
float x; int n;
#endif
{
int32_t k,ix;
GET_FLOAT_WORD(ix,x);
k = (ix&0x7f800000)>>23; /* extract exponent */
if (k==0) { /* 0 or subnormal x */
if ((ix&0x7fffffff)==0) return x; /* +-0 */
x *= two25;
GET_FLOAT_WORD(ix,x);
k = ((ix&0x7f800000)>>23) - 25;
}
if (k==0xff) return x+x; /* NaN or Inf */
k = k+n;
if (n> 50000 || k > 0xfe)
return huge*__builtin_copysignf(huge,x); /* overflow */
if (n< -50000)
return tiny*__builtin_copysignf(tiny,x); /*underflow*/
if (k > 0) /* normal result */
{SET_FLOAT_WORD(x,(ix&0x807fffff)|(k<<23)); return x;}
if (k <= -25)
return tiny*__builtin_copysignf(tiny,x); /*underflow*/
k += 25; /* subnormal result */
SET_FLOAT_WORD(x,(ix&0x807fffff)|(k<<23));
return x*twom25;
}
weak_alias (__scalbnf, scalbnf)

53
libgcc-math/flt-32/s_sinf.c
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@ -1,53 +0,0 @@
/* s_sinf.c -- float version of s_sin.c.
* Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
*/
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
#if defined(LIBM_SCCS) && !defined(lint)
static char rcsid[] = "$NetBSD: s_sinf.c,v 1.4 1995/05/10 20:48:16 jtc Exp $";
#endif
#include "math_private.h"
#ifdef __STDC__
float __sinf(float x)
#else
float __sinf(x)
float x;
#endif
{
float y[2],z=0.0;
int32_t n, ix;
GET_FLOAT_WORD(ix,x);
/* |x| ~< pi/4 */
ix &= 0x7fffffff;
if(ix <= 0x3f490fd8) return __kernel_sinf(x,z,0);
/* sin(Inf or NaN) is NaN */
else if (ix>=0x7f800000) return x-x;
/* argument reduction needed */
else {
n = __ieee754_rem_pio2f(x,y);
switch(n&3) {
case 0: return __kernel_sinf(y[0],y[1],1);
case 1: return __kernel_cosf(y[0],y[1]);
case 2: return -__kernel_sinf(y[0],y[1],1);
default:
return -__kernel_cosf(y[0],y[1]);
}
}
}
weak_alias (__sinf, sinf)

48
libgcc-math/flt-32/s_tanf.c
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@ -1,48 +0,0 @@
/* s_tanf.c -- float version of s_tan.c.
* Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
*/
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
#if defined(LIBM_SCCS) && !defined(lint)
static char rcsid[] = "$NetBSD: s_tanf.c,v 1.4 1995/05/10 20:48:20 jtc Exp $";
#endif
#include "math_private.h"
#ifdef __STDC__
float __tanf(float x)
#else
float __tanf(x)
float x;
#endif
{
float y[2],z=0.0;
int32_t n, ix;
GET_FLOAT_WORD(ix,x);
/* |x| ~< pi/4 */
ix &= 0x7fffffff;
if(ix <= 0x3f490fda) return __kernel_tanf(x,z,1);
/* tan(Inf or NaN) is NaN */
else if (ix>=0x7f800000) return x-x; /* NaN */
/* argument reduction needed */
else {
n = __ieee754_rem_pio2f(x,y);
return __kernel_tanf(y[0],y[1],1-((n&1)<<1)); /* 1 -- n even
-1 -- n odd */
}
}
weak_alias (__tanf, tanf)

352
libgcc-math/flt-32/t_exp2f.h
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@ -1,352 +0,0 @@
/* Accurate tables for exp2f().
Copyright (C) 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Geoffrey Keating <geoffk@ozemail.com.au>
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
/* This table has the property that, for all integers -128 <= i <= 127,
exp(i/256.0 + __exp2f_deltatable[i-128]) == __exp2f_atable[i+128] + r
for some -2^-35 < r < 2^-35 (abs(r) < 2^-36 if i <= 0); and that
__exp2f_deltatable[i+128] == t * 2^-30
for integer t so that abs(t) <= 43447 * 2^0. */
#define W30 (9.31322575e-10)
static const float __exp2f_deltatable[256] = {
-810*W30, 283*W30, -1514*W30, 1304*W30,
-1148*W30, -98*W30, -744*W30, -156*W30,
-419*W30, -155*W30, 474*W30, 167*W30,
-1984*W30, -826*W30, 692*W30, 781*W30,
-578*W30, -411*W30, -129*W30, -1500*W30,
654*W30, -141*W30, -816*W30, -53*W30,
148*W30, 493*W30, -2214*W30, 760*W30,
260*W30, 750*W30, -1300*W30, 1424*W30,
-1445*W30, -339*W30, -680*W30, -349*W30,
-922*W30, 531*W30, 193*W30, -2892*W30,
290*W30, -2145*W30, -276*W30, 485*W30,
-695*W30, 215*W30, -7093*W30, 412*W30,
-4596*W30, 367*W30, 592*W30, -615*W30,
-97*W30, -1066*W30, 972*W30, -226*W30,
-625*W30, -374*W30, -5647*W30, -180*W30,
20349*W30, -447*W30, 111*W30, -4164*W30,
-87*W30, -21*W30, -251*W30, 66*W30,
-517*W30, 2093*W30, -263*W30, 182*W30,
-601*W30, 475*W30, -483*W30, -1251*W30,
-373*W30, 1471*W30, -92*W30, -215*W30,
-97*W30, -190*W30, 0*W30, -290*W30,
-2647*W30, 1940*W30, -582*W30, 28*W30,
833*W30, 1493*W30, 34*W30, 321*W30,
3327*W30, -35*W30, 177*W30, -135*W30,
-796*W30, -428*W30, 129*W30, 9332*W30,
-12*W30, -69*W30, -1743*W30, 6508*W30,
-60*W30, 359*W30, 43447*W30, 15*W30,
-23*W30, -305*W30, -375*W30, -652*W30,
667*W30, 269*W30, -1575*W30, 185*W30,
-329*W30, 200*W30, 6002*W30, 163*W30,
-647*W30, 19*W30, -603*W30, -755*W30,
742*W30, -438*W30, 3587*W30, 2560*W30,
0*W30, -520*W30, -241*W30, -299*W30,
-1270*W30, -991*W30, -1138*W30, 255*W30,
-1192*W30, 1722*W30, 1023*W30, 3700*W30,
-1388*W30, -1551*W30, -2549*W30, 27*W30,
282*W30, 673*W30, 113*W30, 1561*W30,
72*W30, 873*W30, 87*W30, -395*W30,
-433*W30, 629*W30, 3440*W30, -284*W30,
-592*W30, -103*W30, -46*W30, -3844*W30,
1712*W30, 303*W30, 1555*W30, -631*W30,
-1400*W30, -961*W30, -854*W30, -276*W30,
407*W30, 833*W30, -345*W30, -1501*W30,
121*W30, -1581*W30, 400*W30, 150*W30,
1224*W30, -139*W30, -563*W30, 879*W30,
933*W30, 2939*W30, 788*W30, 211*W30,
530*W30, -192*W30, 706*W30, -13347*W30,
1065*W30, 3*W30, 111*W30, -208*W30,
-360*W30, -532*W30, -291*W30, 483*W30,
987*W30, -33*W30, -1373*W30, -166*W30,
-1174*W30, -3955*W30, 1601*W30, -280*W30,
1405*W30, 600*W30, -1659*W30, -23*W30,
390*W30, 449*W30, 570*W30, -13143*W30,
-9*W30, -1646*W30, 1201*W30, 294*W30,
2181*W30, -1173*W30, 1388*W30, -4504*W30,
190*W30, -2304*W30, 211*W30, 239*W30,
48*W30, -817*W30, 1018*W30, 1828*W30,
-663*W30, 1408*W30, 408*W30, -36*W30,
1295*W30, -230*W30, 1341*W30, 9*W30,
40*W30, 705*W30, 186*W30, 376*W30,
557*W30, 5866*W30, 363*W30, -1558*W30,
718*W30, 669*W30, 1369*W30, -2972*W30,
-468*W30, -121*W30, -219*W30, 667*W30,
29954*W30, 366*W30, 48*W30, -203*W30
};
static const float __exp2f_atable[256] /* __attribute__((mode(SF))) */ = {
0.707106411447, /* 0x0.b504ecfff */
0.709024071690, /* 0x0.b58299fff */
0.710945606239, /* 0x0.b60088000 */
0.712874472142, /* 0x0.b67ef1000 */
0.714806139464, /* 0x0.b6fd88fff */
0.716744661340, /* 0x0.b77c94000 */
0.718687653549, /* 0x0.b7fbea000 */
0.720636486992, /* 0x0.b87ba1fff */
0.722590208040, /* 0x0.b8fbabfff */
0.724549472323, /* 0x0.b97c12fff */
0.726514220228, /* 0x0.b9fcd5fff */
0.728483855735, /* 0x0.ba7deb000 */
0.730457961549, /* 0x0.baff4afff */
0.732438981522, /* 0x0.bb811efff */
0.734425544748, /* 0x0.bc0350000 */
0.736416816713, /* 0x0.bc85d0000 */
0.738412797450, /* 0x0.bd089efff */
0.740414917465, /* 0x0.bd8bd4fff */
0.742422521111, /* 0x0.be0f66fff */
0.744434773914, /* 0x0.be9346fff */
0.746454179287, /* 0x0.bf179f000 */
0.748477637755, /* 0x0.bf9c3afff */
0.750506639473, /* 0x0.c02133fff */
0.752541840064, /* 0x0.c0a694fff */
0.754582285889, /* 0x0.c12c4e000 */
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1.376437187179, /* 0x1.605e2fffe */
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1.383909463864, /* 0x1.6247e3ffe */
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1.391424179060, /* 0x1.64345fffe */
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1.399006724329, /* 0x1.66254dffe */
1.402773022651, /* 0x1.671c22000 */
1.406576037403, /* 0x1.68155dfff */
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87
libgcc-math/i386/Makefile.am
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@ -1,87 +0,0 @@
## Makefile for the i386 directory of the libgcc-math library.
##
## Copyright (C) 2006
## Free Software Foundation, Inc.
##
# May be used by various substitution variables.
gcc_version := $(shell cat $(top_srcdir)/../gcc/BASE-VER)
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@srcdir@/../flt-32/s_cosf.c \
@srcdir@/../flt-32/e_expf.c \
@srcdir@/../flt-32/e_log10f.c \
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@srcdir@/../flt-32/s_scalbnf.c \
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# Work around what appears to be a GNU make bug handling MAKEFLAGS
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mostlyclean: mostlyclean-am
mostlyclean-am: mostlyclean-compile mostlyclean-generic \
mostlyclean-libtool
pdf: pdf-am
pdf-am:
ps: ps-am
ps-am:
uninstall-am: uninstall-info-am
.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
clean-libtool clean-noinstLTLIBRARIES ctags distclean \
distclean-compile distclean-generic distclean-libtool \
distclean-tags distdir dvi dvi-am html html-am info info-am \
install install-am install-data install-data-am install-exec \
install-exec-am install-info install-info-am install-man \
install-strip installcheck installcheck-am installdirs \
maintainer-clean maintainer-clean-generic mostlyclean \
mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
pdf pdf-am ps ps-am tags uninstall uninstall-am \
uninstall-info-am
# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
.NOEXPORT:

57
libgcc-math/i386/endian.h
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@ -1,57 +0,0 @@
/* endian.h file crafted from relevant parts of libc include/endian.h
string/endian.h and arch-specific bits/endian.h.
Copyright (C) 2006 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
In addition to the permissions in the GNU General Public License, the
Free Software Foundation gives you unlimited permission to link the
compiled version of this file into combinations with other programs,
and to distribute those combinations without any restriction coming
from the use of this file. (The General Public License restrictions
do apply in other respects; for example, they cover modification of
the file, and distribution when not linked into a combine
executable.)
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
#ifndef LIBGCCM_ENDIAN_H
#define LIBGCCM_ENDIAN_H
#define __BIG_ENDIAN 4321
#define __LITTLE_ENDIAN 1234
#define BIG_ENDIAN 4321
#define LITTLE_ENDIAN 1234
/* Change this. */
#define __FLOAT_WORD_ORDER 1234
#define __BYTE_ORDER 1234
#if __FLOAT_WORD_ORDER == BIG_ENDIAN
# define BIG_ENDI 1
# undef LITTLE_ENDI
# define HIGH_HALF 0
# define LOW_HALF 1
#else
# if __FLOAT_WORD_ORDER == LITTLE_ENDIAN
# undef BIG_ENDI
# define LITTLE_ENDI 1
# define HIGH_HALF 1
# define LOW_HALF 0
# endif
#endif
#endif

94
libgcc-math/i386/sse2.h
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@ -1,94 +0,0 @@
/* This re-writes the math routines in flt-32 and dbl-64 to have their
exported symbols prefix with __libm_sse2 for an SSE2 ABI implementation.
Copyright (C) 2006 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
In addition to the permissions in the GNU General Public License, the
Free Software Foundation gives you unlimited permission to link the
compiled version of this file into combinations with other programs,
and to distribute those combinations without any restriction coming
from the use of this file. (The General Public License restrictions
do apply in other respects; for example, they cover modification of
the file, and distribution when not linked into a combine
executable.)
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
#include "libc-symbols.h"
#undef weak_alias
#undef strong_alias
#undef hidden_def
#define weak_alias(a,b)
#define strong_alias(a,b)
#define hidden_def(a)
/* s_atanf.c */
#define __atanf __libm_sse2_atanf
/* e_asinf.c */
#define __ieee754_acosf __libm_sse2_acosf
#define __ieee754_asinf __libm_sse2_asinf
/* e_atan2f.c */
#define __ieee754_atan2f __libm_sse2_atan2f
#define __ieee754_expf __libm_sse2_expf
/* e_log10f.c */
#define __ieee754_log10f __libm_sse2_log10f
/* e_logf.c */
#define __ieee754_logf __libm_sse2_logf
/* e_powf.c */
#define __ieee754_powf __libm_sse2_powf
/* s_sinf.c */
#define __sinf __libm_sse2_sinf
#define __cosf __libm_sse2_cosf
/* s_tanf.c */
#define __tanf __libm_sse2_tanf
/* s_atan.c */
#define atan __libm_sse2_atan
/* e_asin.c */
#define __ieee754_acos __libm_sse2_acos
#define __ieee754_asin __libm_sse2_asin
/* e_atan2.c */
#define __ieee754_atan2 __libm_sse2_atan2
/* e_exp.c */
#define __ieee754_exp __libm_sse2_exp
/* e_log10.c */
#define __ieee754_log10 __libm_sse2_log10
/* e_log.c */
#define __ieee754_log __libm_sse2_log
/* e_pow.c */
#define __ieee754_pow __libm_sse2_pow
/* s_sin.c */
#define __cos __libm_sse2_cos
#define __sin __libm_sse2_sin
/* s_tan.c */
#define tan __libm_sse2_tan

11
libgcc-math/i386/sse2.map
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@ -1,11 +0,0 @@
LIBGCC_MATH_1.0 {
global:
__libm_sse2_acos; __libm_sse2_asin; __libm_sse2_atan2; __libm_sse2_atan;
__libm_sse2_exp; __libm_sse2_log; __libm_sse2_log10; __libm_sse2_log;
__libm_sse2_pow; __libm_sse2_cos; __libm_sse2_sin; __libm_sse2_tan;
__libm_sse2_acosf; __libm_sse2_asinf; __libm_sse2_atan2f;
__libm_sse2_atanf; __libm_sse2_cosf; __libm_sse2_expf; __libm_sse2_log10f;
__libm_sse2_logf; __libm_sse2_powf; __libm_sse2_sinf; __libm_sse2_tanf;
local:
*;
};

136
libgcc-math/include/ieee754.h
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@ -1,136 +0,0 @@
/* Copyright (C) 1992, 1995, 1996, 1999, 2006 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
In addition to the permissions in the GNU General Public License, the
Free Software Foundation gives you unlimited permission to link the
compiled version of this file into combinations with other programs,
and to distribute those combinations without any restriction coming
from the use of this file. (The General Public License restrictions
do apply in other respects; for example, they cover modification of
the file, and distribution when not linked into a combine
executable.)
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
#ifndef _IEEE754_H
#define _IEEE754_H 1
#include <endian.h>
union ieee754_float
{
float f;
/* This is the IEEE 754 single-precision format. */
struct
{
#if __BYTE_ORDER == __BIG_ENDIAN
unsigned int negative:1;
unsigned int exponent:8;
unsigned int mantissa:23;
#endif /* Big endian. */
#if __BYTE_ORDER == __LITTLE_ENDIAN
unsigned int mantissa:23;
unsigned int exponent:8;
unsigned int negative:1;
#endif /* Little endian. */
} ieee;
/* This format makes it easier to see if a NaN is a signalling NaN. */
struct
{
#if __BYTE_ORDER == __BIG_ENDIAN
unsigned int negative:1;
unsigned int exponent:8;
unsigned int quiet_nan:1;
unsigned int mantissa:22;
#endif /* Big endian. */
#if __BYTE_ORDER == __LITTLE_ENDIAN
unsigned int mantissa:22;
unsigned int quiet_nan:1;
unsigned int exponent:8;
unsigned int negative:1;
#endif /* Little endian. */
} ieee_nan;
};
#define IEEE754_FLOAT_BIAS 0x7f /* Added to exponent. */
union ieee754_double
{
double d;
/* This is the IEEE 754 double-precision format. */
struct
{
#if __BYTE_ORDER == __BIG_ENDIAN
unsigned int negative:1;
unsigned int exponent:11;
/* Together these comprise the mantissa. */
unsigned int mantissa0:20;
unsigned int mantissa1:32;
#endif /* Big endian. */
#if __BYTE_ORDER == __LITTLE_ENDIAN
# if __FLOAT_WORD_ORDER == BIG_ENDIAN
unsigned int mantissa0:20;
unsigned int exponent:11;
unsigned int negative:1;
unsigned int mantissa1:32;
# else
/* Together these comprise the mantissa. */
unsigned int mantissa1:32;
unsigned int mantissa0:20;
unsigned int exponent:11;
unsigned int negative:1;
# endif
#endif /* Little endian. */
} ieee;
/* This format makes it easier to see if a NaN is a signalling NaN. */
struct
{
#if __BYTE_ORDER == __BIG_ENDIAN
unsigned int negative:1;
unsigned int exponent:11;
unsigned int quiet_nan:1;
/* Together these comprise the mantissa. */
unsigned int mantissa0:19;
unsigned int mantissa1:32;
#else
# if __FLOAT_WORD_ORDER == BIG_ENDIAN
unsigned int mantissa0:19;
unsigned int quiet_nan:1;
unsigned int exponent:11;
unsigned int negative:1;
unsigned int mantissa1:32;
# else
/* Together these comprise the mantissa. */
unsigned int mantissa1:32;
unsigned int mantissa0:19;
unsigned int quiet_nan:1;
unsigned int exponent:11;
unsigned int negative:1;
# endif
#endif
} ieee_nan;
};
#define IEEE754_DOUBLE_BIAS 0x3ff /* Added to exponent. */
#endif /* ieee754.h */

50
libgcc-math/include/libc-symbols.h
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@ -1,50 +0,0 @@
/* Definitions for symbol handling done by flt-32 and dbl-64 sources.
Copyright (C) 2006 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
In addition to the permissions in the GNU General Public License, the
Free Software Foundation gives you unlimited permission to link the
compiled version of this file into combinations with other programs,
and to distribute those combinations without any restriction coming
from the use of this file. (The General Public License restrictions
do apply in other respects; for example, they cover modification of
the file, and distribution when not linked into a combine
executable.)
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
/* Define ALIASNAME as a strong alias for NAME. */
# define strong_alias(name, aliasname) _strong_alias(name, aliasname)
# define _strong_alias(name, aliasname) \
extern __typeof (name) aliasname __attribute__ ((alias (#name)));
/* This comes between the return type and function name in
a function definition to make that definition weak. */
# define weak_function __attribute__ ((weak))
# define weak_const_function __attribute__ ((weak, __const__))
/* Define ALIASNAME as a weak alias for NAME.
If weak aliases are not available, this defines a strong alias. */
# define weak_alias(name, aliasname) _weak_alias (name, aliasname)
# define _weak_alias(name, aliasname) \
extern __typeof (name) aliasname __attribute__ ((weak, alias (#name)));
/* Declare SYMBOL as weak undefined symbol (resolved to 0 if not defined). */
# define weak_extern(symbol) _weak_extern (weak symbol)
# define _weak_extern(expr) _Pragma (#expr)

333
libgcc-math/include/math_private.h
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@ -1,333 +0,0 @@
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
/*
* from: @(#)fdlibm.h 5.1 93/09/24
* $Id: math_private.h,v 1.18 2003/08/28 00:10:15 drepper Exp $
*/
#ifndef _MATH_PRIVATE_H_
#define _MATH_PRIVATE_H_
#include <endian.h>
#include "gstdint.h"
/* The original fdlibm code used statements like:
n0 = ((*(int*)&one)>>29)^1; * index of high word *
ix0 = *(n0+(int*)&x); * high word of x *
ix1 = *((1-n0)+(int*)&x); * low word of x *
to dig two 32 bit words out of the 64 bit IEEE floating point
value. That is non-ANSI, and, moreover, the gcc instruction
scheduler gets it wrong. We instead use the following macros.
Unlike the original code, we determine the endianness at compile
time, not at run time; I don't see much benefit to selecting
endianness at run time. */
/* A union which permits us to convert between a double and two 32 bit
ints. */
#if __FLOAT_WORD_ORDER == BIG_ENDIAN
typedef union
{
double value;
struct
{
uint32_t msw;
uint32_t lsw;
} parts;
} ieee_double_shape_type;
#endif
#if __FLOAT_WORD_ORDER == LITTLE_ENDIAN
typedef union
{
double value;
struct
{
uint32_t lsw;
uint32_t msw;
} parts;
} ieee_double_shape_type;
#endif
/* Get two 32 bit ints from a double. */
#define EXTRACT_WORDS(ix0,ix1,d) \
do { \
ieee_double_shape_type ew_u; \
ew_u.value = (d); \
(ix0) = ew_u.parts.msw; \
(ix1) = ew_u.parts.lsw; \
} while (0)
/* Get the more significant 32 bit int from a double. */
#define GET_HIGH_WORD(i,d) \
do { \
ieee_double_shape_type gh_u; \
gh_u.value = (d); \
(i) = gh_u.parts.msw; \
} while (0)
/* Get the less significant 32 bit int from a double. */
#define GET_LOW_WORD(i,d) \
do { \
ieee_double_shape_type gl_u; \
gl_u.value = (d); \
(i) = gl_u.parts.lsw; \
} while (0)
/* Set a double from two 32 bit ints. */
#define INSERT_WORDS(d,ix0,ix1) \
do { \
ieee_double_shape_type iw_u; \
iw_u.parts.msw = (ix0); \
iw_u.parts.lsw = (ix1); \
(d) = iw_u.value; \
} while (0)
/* Set the more significant 32 bits of a double from an int. */
#define SET_HIGH_WORD(d,v) \
do { \
ieee_double_shape_type sh_u; \
sh_u.value = (d); \
sh_u.parts.msw = (v); \
(d) = sh_u.value; \
} while (0)
/* Set the less significant 32 bits of a double from an int. */
#define SET_LOW_WORD(d,v) \
do { \
ieee_double_shape_type sl_u; \
sl_u.value = (d); \
sl_u.parts.lsw = (v); \
(d) = sl_u.value; \
} while (0)
/* A union which permits us to convert between a float and a 32 bit
int. */
typedef union
{
float value;
uint32_t word;
} ieee_float_shape_type;
/* Get a 32 bit int from a float. */
#define GET_FLOAT_WORD(i,d) \
do { \
ieee_float_shape_type gf_u; \
gf_u.value = (d); \
(i) = gf_u.word; \
} while (0)
/* Set a float from a 32 bit int. */
#define SET_FLOAT_WORD(d,i) \
do { \
ieee_float_shape_type sf_u; \
sf_u.word = (i); \
(d) = sf_u.value; \
} while (0)
/* Get long double macros from a separate header. Not. */
#define NO_LONG_DOUBLE
/* ieee style elementary functions */
extern double __ieee754_sqrt (double);
extern double __ieee754_acos (double);
extern double __ieee754_acosh (double);
extern double __ieee754_log (double);
extern double __ieee754_atanh (double);
extern double __ieee754_asin (double);
extern double __ieee754_atan2 (double,double);
extern double __ieee754_exp (double);
extern double __ieee754_exp2 (double);
extern double __ieee754_exp10 (double);
extern double __ieee754_cosh (double);
extern double __ieee754_fmod (double,double);
extern double __ieee754_pow (double,double);
extern double __ieee754_lgamma_r (double,int *);
extern double __ieee754_gamma_r (double,int *);
extern double __ieee754_lgamma (double);
extern double __ieee754_gamma (double);
extern double __ieee754_log10 (double);
extern double __ieee754_log2 (double);
extern double __ieee754_sinh (double);
extern double __ieee754_hypot (double,double);
extern double __ieee754_j0 (double);
extern double __ieee754_j1 (double);
extern double __ieee754_y0 (double);
extern double __ieee754_y1 (double);
extern double __ieee754_jn (int,double);
extern double __ieee754_yn (int,double);
extern double __ieee754_remainder (double,double);
extern int32_t __ieee754_rem_pio2 (double,double*);
extern double __ieee754_scalb (double,double);
/* fdlibm kernel function */
extern double __kernel_standard (double,double,int);
extern double __kernel_sin (double,double,int);
extern double __kernel_cos (double,double);
extern double __kernel_tan (double,double,int);
extern int __kernel_rem_pio2 (double*,double*,int,int,int, const int32_t*);
/* internal functions. */
extern double __copysign (double x, double __y);
/* ieee style elementary float functions */
extern float __ieee754_sqrtf (float);
extern float __ieee754_acosf (float);
extern float __ieee754_acoshf (float);
extern float __ieee754_logf (float);
extern float __ieee754_atanhf (float);
extern float __ieee754_asinf (float);
extern float __ieee754_atan2f (float,float);
extern float __ieee754_expf (float);
extern float __ieee754_exp2f (float);
extern float __ieee754_exp10f (float);
extern float __ieee754_coshf (float);
extern float __ieee754_fmodf (float,float);
extern float __ieee754_powf (float,float);
extern float __ieee754_lgammaf_r (float,int *);
extern float __ieee754_gammaf_r (float,int *);
extern float __ieee754_lgammaf (float);
extern float __ieee754_gammaf (float);
extern float __ieee754_log10f (float);
extern float __ieee754_log2f (float);
extern float __ieee754_sinhf (float);
extern float __ieee754_hypotf (float,float);
extern float __ieee754_j0f (float);
extern float __ieee754_j1f (float);
extern float __ieee754_y0f (float);
extern float __ieee754_y1f (float);
extern float __ieee754_jnf (int,float);
extern float __ieee754_ynf (int,float);
extern float __ieee754_remainderf (float,float);
extern int32_t __ieee754_rem_pio2f (float,float*);
extern float __ieee754_scalbf (float,float);
/* float versions of fdlibm kernel functions */
extern float __kernel_sinf (float,float,int);
extern float __kernel_cosf (float,float);
extern float __kernel_tanf (float,float,int);
extern int __kernel_rem_pio2f (float*,float*,int,int,int, const int32_t*);
extern float __atanf (float);
extern float __scalbnf (float x, int n);
extern float __floorf(float x);
extern int __isinff(float x);
/* internal functions. */
extern float __copysignf (float x, float __y);
/* ieee style elementary long double functions */
extern long double __ieee754_sqrtl (long double);
extern long double __ieee754_acosl (long double);
extern long double __ieee754_acoshl (long double);
extern long double __ieee754_logl (long double);
extern long double __ieee754_atanhl (long double);
extern long double __ieee754_asinl (long double);
extern long double __ieee754_atan2l (long double,long double);
extern long double __ieee754_expl (long double);
extern long double __ieee754_exp2l (long double);
extern long double __ieee754_exp10l (long double);
extern long double __ieee754_coshl (long double);
extern long double __ieee754_fmodl (long double,long double);
extern long double __ieee754_powl (long double,long double);
extern long double __ieee754_lgammal_r (long double,int *);
extern long double __ieee754_gammal_r (long double,int *);
extern long double __ieee754_lgammal (long double);
extern long double __ieee754_gammal (long double);
extern long double __ieee754_log10l (long double);
extern long double __ieee754_log2l (long double);
extern long double __ieee754_sinhl (long double);
extern long double __ieee754_hypotl (long double,long double);
extern long double __ieee754_j0l (long double);
extern long double __ieee754_j1l (long double);
extern long double __ieee754_y0l (long double);
extern long double __ieee754_y1l (long double);
extern long double __ieee754_jnl (int,long double);
extern long double __ieee754_ynl (int,long double);
extern long double __ieee754_remainderl (long double,long double);
extern int __ieee754_rem_pio2l (long double,long double*);
extern long double __ieee754_scalbl (long double,long double);
/* long double versions of fdlibm kernel functions */
extern long double __kernel_sinl (long double,long double,int);
extern long double __kernel_cosl (long double,long double);
extern long double __kernel_tanl (long double,long double,int);
extern void __kernel_sincosl (long double,long double,
long double *,long double *, int);
extern int __kernel_rem_pio2l (long double*,long double*,int,int,
int,const int*);
#ifndef NO_LONG_DOUBLE
/* prototypes required to compile the ldbl-96 support without warnings */
extern int __finitel (long double);
extern int __ilogbl (long double);
extern int __isinfl (long double);
extern int __isnanl (long double);
extern long double __atanl (long double);
extern long double __copysignl (long double, long double);
extern long double __expm1l (long double);
extern long double __floorl (long double);
extern long double __frexpl (long double, int *);
extern long double __ldexpl (long double, int);
extern long double __log1pl (long double);
extern long double __nanl (const char *);
extern long double __rintl (long double);
extern long double __scalbnl (long double, int);
extern long double __sqrtl (long double x);
extern long double fabsl (long double x);
extern void __sincosl (long double, long double *, long double *);
extern long double __logbl (long double x);
extern long double __significandl (long double x);
#endif
/* Prototypes for functions of the IBM Accurate Mathematical Library. */
extern double __exp1 (double __x, double __xx, double __error);
extern double __sin (double __x);
extern double __cos (double __x);
extern int __branred (double __x, double *__a, double *__aa);
extern void __doasin (double __x, double __dx, double __v[]);
extern void __dubsin (double __x, double __dx, double __v[]);
extern void __dubcos (double __x, double __dx, double __v[]);
extern double __halfulp (double __x, double __y);
extern double __sin32 (double __x, double __res, double __res1);
extern double __cos32 (double __x, double __res, double __res1);
extern double __mpsin (double __x, double __dx);
extern double __mpcos (double __x, double __dx);
extern double __mpsin1 (double __x);
extern double __mpcos1 (double __x);
extern double __slowexp (double __x);
extern double __slowpow (double __x, double __y, double __z);
extern void __docos (double __x, double __dx, double __v[]);
extern double __scalbn (double x, int n);
extern double __floor(double x);
/* Prototypes for C99 math functions provided by GCC builtins. */
extern double fabs(double);
extern float fabsf(float);
#endif /* _MATH_PRIVATE_H_ */

6
libgcc-math/libtool-version
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@ -1,6 +0,0 @@
# This file is used to maintain libtool version info for libgcc-math. See
# the libtool manual to understand the meaning of the fields. This is
# a separate file so that version updates don't involve re-running
# automake.
# CURRENT:REVISION:AGE
0:0:0