re PR fortran/46402 (libquadmath: Add fmalq)
PR fortran/46402 * quadmath.map (QUADMATH_1.0): Add fmaq. * configure.ac: Check for fenv.h, feholdexcept, fesetround, feupdateenv, fesetenv and fetestexcept. * configure: Regenerated. * config.h.in: Regenerated. * quadmath.h (fmaq): New prototype. * quadmath_weak.h (fmaq): Add. * Makefile.am (libquadmath_la_SOURCES): Add math/fmaq.c. * Makefile.in: Regenerated. * quadmath-imp.h: Include config.h. * math/expq.c: Include fenv.h. (USE_FENV_H): Define if libm support for fe* is there. (expq): Add fesetround etc. support if USE_FENV_H is defined. * math/fmaq.c: New file. * libquadmath.texi (fmaq): Add. From-SVN: r168852
This commit is contained in:
parent
5b8901caa0
commit
e8d42d280e
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@ -1,3 +1,22 @@
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2011-01-16 Jakub Jelinek <jakub@redhat.com>
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PR fortran/46402
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* quadmath.map (QUADMATH_1.0): Add fmaq.
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* configure.ac: Check for fenv.h, feholdexcept, fesetround,
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feupdateenv, fesetenv and fetestexcept.
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* configure: Regenerated.
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* config.h.in: Regenerated.
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* quadmath.h (fmaq): New prototype.
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* quadmath_weak.h (fmaq): Add.
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* Makefile.am (libquadmath_la_SOURCES): Add math/fmaq.c.
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* Makefile.in: Regenerated.
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* quadmath-imp.h: Include config.h.
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* math/expq.c: Include fenv.h.
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(USE_FENV_H): Define if libm support for fe* is there.
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(expq): Add fesetround etc. support if USE_FENV_H is defined.
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* math/fmaq.c: New file.
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* libquadmath.texi (fmaq): Add.
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2011-01-14 Tobias Burnus <burnus@net-b.de>
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PR fortran/47182
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@ -61,7 +61,7 @@ libquadmath_la_SOURCES = \
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math/erfq.c math/logq.c math/sqrtq.c math/expm1q.c math/lroundq.c \
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math/tanhq.c math/expq.c math/modfq.c math/tanq.c math/fabsq.c \
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math/nanq.c math/tgammaq.c math/finiteq.c math/nextafterq.c \
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math/truncq.c math/floorq.c math/powq.c
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math/truncq.c math/floorq.c math/powq.c math/fmaq.c
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# Work around what appears to be a GNU make bug handling MAKEFLAGS
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# values defined in terms of make variables, as is the case for CC and
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@ -43,17 +43,16 @@ DIST_COMMON = ChangeLog $(srcdir)/Makefile.in $(srcdir)/Makefile.am \
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$(srcdir)/config.h.in $(srcdir)/../mkinstalldirs \
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$(srcdir)/../depcomp $(libquadmath_TEXINFOS)
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ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
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am__aclocal_m4_deps = $(top_srcdir)/../config/acx.m4 \
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am__aclocal_m4_deps = $(top_srcdir)/../ltoptions.m4 \
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$(top_srcdir)/../ltsugar.m4 $(top_srcdir)/../ltversion.m4 \
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$(top_srcdir)/../lt~obsolete.m4 $(top_srcdir)/../config/acx.m4 \
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$(top_srcdir)/../config/depstand.m4 \
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$(top_srcdir)/../config/lead-dot.m4 \
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$(top_srcdir)/../config/lthostflags.m4 \
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$(top_srcdir)/../config/multi.m4 \
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$(top_srcdir)/../config/no-executables.m4 \
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$(top_srcdir)/../config/override.m4 \
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$(top_srcdir)/../ltoptions.m4 $(top_srcdir)/../ltsugar.m4 \
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$(top_srcdir)/../ltversion.m4 $(top_srcdir)/../lt~obsolete.m4 \
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$(top_srcdir)/acinclude.m4 $(top_srcdir)/../libtool.m4 \
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$(top_srcdir)/configure.ac
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$(top_srcdir)/../config/override.m4 $(top_srcdir)/acinclude.m4 \
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$(top_srcdir)/../libtool.m4 $(top_srcdir)/configure.ac
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am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
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$(ACLOCAL_M4)
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am__CONFIG_DISTCLEAN_FILES = config.status config.cache config.log \
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@ -123,7 +122,7 @@ am__dirstamp = $(am__leading_dot)dirstamp
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@BUILD_LIBQUADMATH_TRUE@ math/nanq.lo math/tgammaq.lo \
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@BUILD_LIBQUADMATH_TRUE@ math/finiteq.lo math/nextafterq.lo \
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@BUILD_LIBQUADMATH_TRUE@ math/truncq.lo math/floorq.lo \
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@BUILD_LIBQUADMATH_TRUE@ math/powq.lo
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@BUILD_LIBQUADMATH_TRUE@ math/powq.lo math/fmaq.lo
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libquadmath_la_OBJECTS = $(am_libquadmath_la_OBJECTS)
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libquadmath_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \
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$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
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@ -325,7 +324,7 @@ AUTOMAKE_OPTIONS = 1.8 foreign
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@BUILD_LIBQUADMATH_TRUE@ math/erfq.c math/logq.c math/sqrtq.c math/expm1q.c math/lroundq.c \
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@BUILD_LIBQUADMATH_TRUE@ math/tanhq.c math/expq.c math/modfq.c math/tanq.c math/fabsq.c \
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@BUILD_LIBQUADMATH_TRUE@ math/nanq.c math/tgammaq.c math/finiteq.c math/nextafterq.c \
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@BUILD_LIBQUADMATH_TRUE@ math/truncq.c math/floorq.c math/powq.c
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@BUILD_LIBQUADMATH_TRUE@ math/truncq.c math/floorq.c math/powq.c math/fmaq.c
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# Work around what appears to be a GNU make bug handling MAKEFLAGS
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@ -570,6 +569,7 @@ math/nextafterq.lo: math/$(am__dirstamp) \
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math/truncq.lo: math/$(am__dirstamp) math/$(DEPDIR)/$(am__dirstamp)
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math/floorq.lo: math/$(am__dirstamp) math/$(DEPDIR)/$(am__dirstamp)
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math/powq.lo: math/$(am__dirstamp) math/$(DEPDIR)/$(am__dirstamp)
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math/fmaq.lo: math/$(am__dirstamp) math/$(DEPDIR)/$(am__dirstamp)
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libquadmath.la: $(libquadmath_la_OBJECTS) $(libquadmath_la_DEPENDENCIES)
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$(libquadmath_la_LINK) $(am_libquadmath_la_rpath) $(libquadmath_la_OBJECTS) $(libquadmath_la_LIBADD) $(LIBS)
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@ -643,6 +643,8 @@ mostlyclean-compile:
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-rm -f math/finiteq.lo
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-rm -f math/floorq.$(OBJEXT)
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-rm -f math/floorq.lo
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-rm -f math/fmaq.$(OBJEXT)
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-rm -f math/fmaq.lo
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-rm -f math/fmodq.$(OBJEXT)
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-rm -f math/fmodq.lo
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-rm -f math/frexpq.$(OBJEXT)
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@ -756,6 +758,7 @@ distclean-compile:
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@AMDEP_TRUE@@am__include@ @am__quote@math/$(DEPDIR)/fabsq.Plo@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@math/$(DEPDIR)/finiteq.Plo@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@math/$(DEPDIR)/floorq.Plo@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@math/$(DEPDIR)/fmaq.Plo@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@math/$(DEPDIR)/fmodq.Plo@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@math/$(DEPDIR)/frexpq.Plo@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@math/$(DEPDIR)/hypotq.Plo@am__quote@
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@ -6,6 +6,24 @@
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/* Define to 1 if you have the <dlfcn.h> header file. */
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#undef HAVE_DLFCN_H
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/* libm includes feholdexcept */
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#undef HAVE_FEHOLDEXCEPT
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/* Define to 1 if you have the <fenv.h> header file. */
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#undef HAVE_FENV_H
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/* libm includes fesetenv */
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#undef HAVE_FESETENV
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/* libm includes fesetround */
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#undef HAVE_FESETROUND
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/* libm includes fetestexcept */
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#undef HAVE_FETESTEXCEPT
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/* libm includes feupdateenv */
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#undef HAVE_FEUPDATEENV
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/* Define to 1 if you have the <inttypes.h> header file. */
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#undef HAVE_INTTYPES_H
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@ -1757,6 +1757,93 @@ $as_echo "$ac_res" >&6; }
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eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
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} # ac_fn_c_check_func
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# ac_fn_c_check_header_mongrel LINENO HEADER VAR INCLUDES
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# -------------------------------------------------------
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# Tests whether HEADER exists, giving a warning if it cannot be compiled using
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# the include files in INCLUDES and setting the cache variable VAR
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# accordingly.
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ac_fn_c_check_header_mongrel ()
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{
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as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
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if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
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$as_echo_n "checking for $2... " >&6; }
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if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
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$as_echo_n "(cached) " >&6
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fi
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eval ac_res=\$$3
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
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$as_echo "$ac_res" >&6; }
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else
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# Is the header compilable?
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 usability" >&5
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$as_echo_n "checking $2 usability... " >&6; }
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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$4
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#include <$2>
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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ac_header_compiler=yes
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else
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ac_header_compiler=no
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_compiler" >&5
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$as_echo "$ac_header_compiler" >&6; }
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# Is the header present?
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 presence" >&5
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$as_echo_n "checking $2 presence... " >&6; }
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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#include <$2>
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_ACEOF
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if ac_fn_c_try_cpp "$LINENO"; then :
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ac_header_preproc=yes
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else
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ac_header_preproc=no
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fi
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rm -f conftest.err conftest.$ac_ext
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5
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$as_echo "$ac_header_preproc" >&6; }
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# So? What about this header?
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case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in #((
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yes:no: )
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{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&5
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$as_echo "$as_me: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&2;}
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{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
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$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
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;;
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no:yes:* )
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{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: present but cannot be compiled" >&5
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$as_echo "$as_me: WARNING: $2: present but cannot be compiled" >&2;}
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{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: check for missing prerequisite headers?" >&5
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$as_echo "$as_me: WARNING: $2: check for missing prerequisite headers?" >&2;}
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{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: see the Autoconf documentation" >&5
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$as_echo "$as_me: WARNING: $2: see the Autoconf documentation" >&2;}
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{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: section \"Present But Cannot Be Compiled\"" >&5
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$as_echo "$as_me: WARNING: $2: section \"Present But Cannot Be Compiled\"" >&2;}
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{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
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$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
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;;
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esac
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
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$as_echo_n "checking for $2... " >&6; }
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if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
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$as_echo_n "(cached) " >&6
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else
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eval "$3=\$ac_header_compiler"
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fi
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eval ac_res=\$$3
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
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$as_echo "$ac_res" >&6; }
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fi
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eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
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} # ac_fn_c_check_header_mongrel
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cat >config.log <<_ACEOF
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This file contains any messages produced by compilers while
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running configure, to aid debugging if configure makes a mistake.
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@ -10370,7 +10457,7 @@ else
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lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
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lt_status=$lt_dlunknown
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cat > conftest.$ac_ext <<_LT_EOF
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#line 10373 "configure"
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#line 10460 "configure"
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#include "confdefs.h"
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#if HAVE_DLFCN_H
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@ -10476,7 +10563,7 @@ else
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lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
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lt_status=$lt_dlunknown
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cat > conftest.$ac_ext <<_LT_EOF
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#line 10479 "configure"
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#line 10566 "configure"
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#include "confdefs.h"
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#if HAVE_DLFCN_H
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@ -11781,6 +11868,19 @@ esac
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for ac_header in fenv.h
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do :
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ac_fn_c_check_header_mongrel "$LINENO" "fenv.h" "ac_cv_header_fenv_h" "$ac_includes_default"
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if test "x$ac_cv_header_fenv_h" = x""yes; then :
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cat >>confdefs.h <<_ACEOF
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#define HAVE_FENV_H 1
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_ACEOF
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fi
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done
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# If available, sqrtl and cbrtl speed up the calculation -
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# but they are not required
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if test x$gcc_no_link != xyes; then
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@ -11872,6 +11972,231 @@ if test "x$ac_cv_lib_m_cbrtl" = x""yes; then :
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$as_echo "#define HAVE_CBRTL 1" >>confdefs.h
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for feholdexcept in -lm" >&5
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$as_echo_n "checking for feholdexcept in -lm... " >&6; }
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if test "${ac_cv_lib_m_feholdexcept+set}" = set; then :
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$as_echo_n "(cached) " >&6
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else
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ac_check_lib_save_LIBS=$LIBS
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LIBS="-lm $LIBS"
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if test x$gcc_no_link = xyes; then
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as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
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fi
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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/* Override any GCC internal prototype to avoid an error.
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Use char because int might match the return type of a GCC
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builtin and then its argument prototype would still apply. */
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#ifdef __cplusplus
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extern "C"
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#endif
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char feholdexcept ();
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int
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main ()
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{
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return feholdexcept ();
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_link "$LINENO"; then :
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ac_cv_lib_m_feholdexcept=yes
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else
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ac_cv_lib_m_feholdexcept=no
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fi
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rm -f core conftest.err conftest.$ac_objext \
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conftest$ac_exeext conftest.$ac_ext
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LIBS=$ac_check_lib_save_LIBS
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_feholdexcept" >&5
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$as_echo "$ac_cv_lib_m_feholdexcept" >&6; }
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if test "x$ac_cv_lib_m_feholdexcept" = x""yes; then :
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$as_echo "#define HAVE_FEHOLDEXCEPT 1" >>confdefs.h
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for fesetround in -lm" >&5
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$as_echo_n "checking for fesetround in -lm... " >&6; }
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if test "${ac_cv_lib_m_fesetround+set}" = set; then :
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$as_echo_n "(cached) " >&6
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else
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ac_check_lib_save_LIBS=$LIBS
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LIBS="-lm $LIBS"
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if test x$gcc_no_link = xyes; then
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as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
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fi
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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/* Override any GCC internal prototype to avoid an error.
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Use char because int might match the return type of a GCC
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builtin and then its argument prototype would still apply. */
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#ifdef __cplusplus
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extern "C"
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#endif
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char fesetround ();
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int
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main ()
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{
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return fesetround ();
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_link "$LINENO"; then :
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ac_cv_lib_m_fesetround=yes
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else
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ac_cv_lib_m_fesetround=no
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fi
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rm -f core conftest.err conftest.$ac_objext \
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conftest$ac_exeext conftest.$ac_ext
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LIBS=$ac_check_lib_save_LIBS
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||||
fi
|
||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_fesetround" >&5
|
||||
$as_echo "$ac_cv_lib_m_fesetround" >&6; }
|
||||
if test "x$ac_cv_lib_m_fesetround" = x""yes; then :
|
||||
|
||||
$as_echo "#define HAVE_FESETROUND 1" >>confdefs.h
|
||||
|
||||
fi
|
||||
|
||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for feupdateenv in -lm" >&5
|
||||
$as_echo_n "checking for feupdateenv in -lm... " >&6; }
|
||||
if test "${ac_cv_lib_m_feupdateenv+set}" = set; then :
|
||||
$as_echo_n "(cached) " >&6
|
||||
else
|
||||
ac_check_lib_save_LIBS=$LIBS
|
||||
LIBS="-lm $LIBS"
|
||||
if test x$gcc_no_link = xyes; then
|
||||
as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
|
||||
fi
|
||||
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
|
||||
/* end confdefs.h. */
|
||||
|
||||
/* Override any GCC internal prototype to avoid an error.
|
||||
Use char because int might match the return type of a GCC
|
||||
builtin and then its argument prototype would still apply. */
|
||||
#ifdef __cplusplus
|
||||
extern "C"
|
||||
#endif
|
||||
char feupdateenv ();
|
||||
int
|
||||
main ()
|
||||
{
|
||||
return feupdateenv ();
|
||||
;
|
||||
return 0;
|
||||
}
|
||||
_ACEOF
|
||||
if ac_fn_c_try_link "$LINENO"; then :
|
||||
ac_cv_lib_m_feupdateenv=yes
|
||||
else
|
||||
ac_cv_lib_m_feupdateenv=no
|
||||
fi
|
||||
rm -f core conftest.err conftest.$ac_objext \
|
||||
conftest$ac_exeext conftest.$ac_ext
|
||||
LIBS=$ac_check_lib_save_LIBS
|
||||
fi
|
||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_feupdateenv" >&5
|
||||
$as_echo "$ac_cv_lib_m_feupdateenv" >&6; }
|
||||
if test "x$ac_cv_lib_m_feupdateenv" = x""yes; then :
|
||||
|
||||
$as_echo "#define HAVE_FEUPDATEENV 1" >>confdefs.h
|
||||
|
||||
fi
|
||||
|
||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for fesetenv in -lm" >&5
|
||||
$as_echo_n "checking for fesetenv in -lm... " >&6; }
|
||||
if test "${ac_cv_lib_m_fesetenv+set}" = set; then :
|
||||
$as_echo_n "(cached) " >&6
|
||||
else
|
||||
ac_check_lib_save_LIBS=$LIBS
|
||||
LIBS="-lm $LIBS"
|
||||
if test x$gcc_no_link = xyes; then
|
||||
as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
|
||||
fi
|
||||
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
|
||||
/* end confdefs.h. */
|
||||
|
||||
/* Override any GCC internal prototype to avoid an error.
|
||||
Use char because int might match the return type of a GCC
|
||||
builtin and then its argument prototype would still apply. */
|
||||
#ifdef __cplusplus
|
||||
extern "C"
|
||||
#endif
|
||||
char fesetenv ();
|
||||
int
|
||||
main ()
|
||||
{
|
||||
return fesetenv ();
|
||||
;
|
||||
return 0;
|
||||
}
|
||||
_ACEOF
|
||||
if ac_fn_c_try_link "$LINENO"; then :
|
||||
ac_cv_lib_m_fesetenv=yes
|
||||
else
|
||||
ac_cv_lib_m_fesetenv=no
|
||||
fi
|
||||
rm -f core conftest.err conftest.$ac_objext \
|
||||
conftest$ac_exeext conftest.$ac_ext
|
||||
LIBS=$ac_check_lib_save_LIBS
|
||||
fi
|
||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_fesetenv" >&5
|
||||
$as_echo "$ac_cv_lib_m_fesetenv" >&6; }
|
||||
if test "x$ac_cv_lib_m_fesetenv" = x""yes; then :
|
||||
|
||||
$as_echo "#define HAVE_FESETENV 1" >>confdefs.h
|
||||
|
||||
fi
|
||||
|
||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for fetestexcept in -lm" >&5
|
||||
$as_echo_n "checking for fetestexcept in -lm... " >&6; }
|
||||
if test "${ac_cv_lib_m_fetestexcept+set}" = set; then :
|
||||
$as_echo_n "(cached) " >&6
|
||||
else
|
||||
ac_check_lib_save_LIBS=$LIBS
|
||||
LIBS="-lm $LIBS"
|
||||
if test x$gcc_no_link = xyes; then
|
||||
as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
|
||||
fi
|
||||
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
|
||||
/* end confdefs.h. */
|
||||
|
||||
/* Override any GCC internal prototype to avoid an error.
|
||||
Use char because int might match the return type of a GCC
|
||||
builtin and then its argument prototype would still apply. */
|
||||
#ifdef __cplusplus
|
||||
extern "C"
|
||||
#endif
|
||||
char fetestexcept ();
|
||||
int
|
||||
main ()
|
||||
{
|
||||
return fetestexcept ();
|
||||
;
|
||||
return 0;
|
||||
}
|
||||
_ACEOF
|
||||
if ac_fn_c_try_link "$LINENO"; then :
|
||||
ac_cv_lib_m_fetestexcept=yes
|
||||
else
|
||||
ac_cv_lib_m_fetestexcept=no
|
||||
fi
|
||||
rm -f core conftest.err conftest.$ac_objext \
|
||||
conftest$ac_exeext conftest.$ac_ext
|
||||
LIBS=$ac_check_lib_save_LIBS
|
||||
fi
|
||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_fetestexcept" >&5
|
||||
$as_echo "$ac_cv_lib_m_fetestexcept" >&6; }
|
||||
if test "x$ac_cv_lib_m_fetestexcept" = x""yes; then :
|
||||
|
||||
$as_echo "#define HAVE_FETESTEXCEPT 1" >>confdefs.h
|
||||
|
||||
fi
|
||||
|
||||
else
|
||||
|
@ -11884,6 +12209,31 @@ $as_echo "#define HAVE_SQRTL 1" >>confdefs.h
|
|||
|
||||
$as_echo "#define HAVE_CBRTL 1" >>confdefs.h
|
||||
|
||||
fi
|
||||
if test "x$ac_cv_lib_m_feholdexcept" = x""yes; then
|
||||
|
||||
$as_echo "#define HAVE_FEHOLDEXCEPT 1" >>confdefs.h
|
||||
|
||||
fi
|
||||
if test "x$ac_cv_lib_m_fesetround" = x""yes; then
|
||||
|
||||
$as_echo "#define HAVE_FESETROUND 1" >>confdefs.h
|
||||
|
||||
fi
|
||||
if test "x$ac_cv_lib_m_feupdateenv" = x""yes; then
|
||||
|
||||
$as_echo "#define HAVE_FEUPDATEENV 1" >>confdefs.h
|
||||
|
||||
fi
|
||||
if test "x$ac_cv_lib_m_fesetenv" = x""yes; then
|
||||
|
||||
$as_echo "#define HAVE_FESETENV 1" >>confdefs.h
|
||||
|
||||
fi
|
||||
if test "x$ac_cv_lib_m_fetestexcept" = x""yes; then
|
||||
|
||||
$as_echo "#define HAVE_FETESTEXCEPT 1" >>confdefs.h
|
||||
|
||||
fi
|
||||
fi
|
||||
|
||||
|
|
|
@ -110,11 +110,18 @@ esac
|
|||
AC_SUBST(toolexecdir)
|
||||
AC_SUBST(toolexeclibdir)
|
||||
|
||||
AC_CHECK_HEADERS(fenv.h)
|
||||
|
||||
# If available, sqrtl and cbrtl speed up the calculation -
|
||||
# but they are not required
|
||||
if test x$gcc_no_link != xyes; then
|
||||
AC_CHECK_LIB([m],[sqrtl],[AC_DEFINE([HAVE_SQRTL],[1],[libm includes sqrtl])])
|
||||
AC_CHECK_LIB([m],[cbrtl],[AC_DEFINE([HAVE_CBRTL],[1],[libm includes cbrtl])])
|
||||
AC_CHECK_LIB([m],[feholdexcept],[AC_DEFINE([HAVE_FEHOLDEXCEPT],[1],[libm includes feholdexcept])])
|
||||
AC_CHECK_LIB([m],[fesetround],[AC_DEFINE([HAVE_FESETROUND],[1],[libm includes fesetround])])
|
||||
AC_CHECK_LIB([m],[feupdateenv],[AC_DEFINE([HAVE_FEUPDATEENV],[1],[libm includes feupdateenv])])
|
||||
AC_CHECK_LIB([m],[fesetenv],[AC_DEFINE([HAVE_FESETENV],[1],[libm includes fesetenv])])
|
||||
AC_CHECK_LIB([m],[fetestexcept],[AC_DEFINE([HAVE_FETESTEXCEPT],[1],[libm includes fetestexcept])])
|
||||
else
|
||||
if test "x$ac_cv_lib_m_sqrtl" = x""yes; then
|
||||
AC_DEFINE([HAVE_SQRTL],[1],[libm includes sqrtl])
|
||||
|
@ -122,6 +129,21 @@ else
|
|||
if test "x$ac_cv_lib_m_cbrtl" = x""yes; then
|
||||
AC_DEFINE([HAVE_CBRTL],[1],[libm includes cbrtl])
|
||||
fi
|
||||
if test "x$ac_cv_lib_m_feholdexcept" = x""yes; then
|
||||
AC_DEFINE([HAVE_FEHOLDEXCEPT],[1],[libm includes feholdexcept])
|
||||
fi
|
||||
if test "x$ac_cv_lib_m_fesetround" = x""yes; then
|
||||
AC_DEFINE([HAVE_FESETROUND],[1],[libm includes fesetround])
|
||||
fi
|
||||
if test "x$ac_cv_lib_m_feupdateenv" = x""yes; then
|
||||
AC_DEFINE([HAVE_FEUPDATEENV],[1],[libm includes feupdateenv])
|
||||
fi
|
||||
if test "x$ac_cv_lib_m_fesetenv" = x""yes; then
|
||||
AC_DEFINE([HAVE_FESETENV],[1],[libm includes fesetenv])
|
||||
fi
|
||||
if test "x$ac_cv_lib_m_fetestexcept" = x""yes; then
|
||||
AC_DEFINE([HAVE_FETESTEXCEPT],[1],[libm includes fetestexcept])
|
||||
fi
|
||||
fi
|
||||
|
||||
# Check for symbol versioning (copied from libssp).
|
||||
|
|
|
@ -113,6 +113,7 @@ The following mathematical functions are available:
|
|||
@item @code{fabsq}: absolute value function
|
||||
@item @code{finiteq}: check finiteness of value
|
||||
@item @code{floorq}: floor value function
|
||||
@item @code{fmaq}: fused multiply and add
|
||||
@item @code{fmodq}: remainder value function
|
||||
@item @code{frexpq}: extract mantissa and exponent
|
||||
@item @code{hypotq}: Eucledian distance function
|
||||
|
|
|
@ -21,6 +21,13 @@
|
|||
02111-1307 USA. */
|
||||
|
||||
#include "quadmath-imp.h"
|
||||
#ifdef HAVE_FENV_H
|
||||
# include <fenv.h>
|
||||
# if defined HAVE_FEHOLDEXCEPT && defined HAVE_FESETROUND \
|
||||
&& defined HAVE_FESETENV && defined FE_TONEAREST
|
||||
# define USE_FENV_H
|
||||
# endif
|
||||
#endif
|
||||
|
||||
|
||||
/* __expl_table basically consists of four tables, T_EXPL_ARG{1,2} and
|
||||
|
@ -1093,6 +1100,14 @@ expq (__float128 x)
|
|||
int tval1, tval2, unsafe, n_i;
|
||||
__float128 x22, n, t, result, xl;
|
||||
ieee854_float128 ex2_u, scale_u;
|
||||
#ifdef USE_FENV_H
|
||||
fenv_t oldenv;
|
||||
|
||||
feholdexcept (&oldenv);
|
||||
# ifdef FE_TONEAREST
|
||||
fesetround (FE_TONEAREST);
|
||||
# endif
|
||||
#endif
|
||||
|
||||
/* Calculate n. */
|
||||
n = x * M_1_LN2 + THREEp111;
|
||||
|
@ -1140,6 +1155,9 @@ expq (__float128 x)
|
|||
x22 = x + x*x*(P1+x*(P2+x*(P3+x*(P4+x*(P5+x*P6)))));
|
||||
|
||||
/* Return result. */
|
||||
#ifdef USE_FENV_H
|
||||
fesetenv (&oldenv);
|
||||
#endif
|
||||
result = x22 * ex2_u.value + ex2_u.value;
|
||||
|
||||
/* Now we can test whether the result is ultimate or if we are unsure.
|
||||
|
@ -1153,12 +1171,24 @@ expq (__float128 x)
|
|||
|
||||
union ieee854_long_double ex3_u;
|
||||
|
||||
#ifdef USE_FENV_H
|
||||
#ifdef FE_TONEAREST
|
||||
fesetround (FE_TONEAREST);
|
||||
#endif
|
||||
#endif
|
||||
ex3_u.d = (result - ex2_u.d) - x22 * ex2_u.d;
|
||||
ex2_u.d = result;
|
||||
ex3_u.ieee.exponent += LDBL_MANT_DIG + 15 + IEEE854_LONG_DOUBLE_BIAS
|
||||
- ex2_u.ieee.exponent;
|
||||
n_i = abs (ex3_u.d);
|
||||
n_i = (n_i + 1) / 2;
|
||||
#ifdef USE_FENV_H
|
||||
fesetenv (&oldenv);
|
||||
#ifdef FE_TONEAREST
|
||||
if (fegetround () == FE_TONEAREST)
|
||||
n_i -= 0x4000;
|
||||
#endif
|
||||
#endif
|
||||
if (!n_i) {
|
||||
return __ieee754_expl_proc2 (origx);
|
||||
}
|
||||
|
|
|
@ -0,0 +1,241 @@
|
|||
/* Compute x * y + z as ternary operation.
|
||||
Copyright (C) 2010 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
Contributed by Jakub Jelinek <jakub@redhat.com>, 2010.
|
||||
|
||||
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. */
|
||||
|
||||
#include "quadmath-imp.h"
|
||||
#include <math.h>
|
||||
#include <float.h>
|
||||
#ifdef HAVE_FENV_H
|
||||
# include <fenv.h>
|
||||
# if defined HAVE_FEHOLDEXCEPT && defined HAVE_FESETROUND \
|
||||
&& defined HAVE_FEUPDATEENV && defined HAVE_FETESTEXCEPT \
|
||||
&& defined FE_TOWARDZERO && defined FE_INEXACT
|
||||
# define USE_FENV_H
|
||||
# endif
|
||||
#endif
|
||||
|
||||
/* This implementation uses rounding to odd to avoid problems with
|
||||
double rounding. See a paper by Boldo and Melquiond:
|
||||
http://www.lri.fr/~melquion/doc/08-tc.pdf */
|
||||
|
||||
__float128
|
||||
fmaq (__float128 x, __float128 y, __float128 z)
|
||||
{
|
||||
ieee854_float128 u, v, w;
|
||||
int adjust = 0;
|
||||
u.value = x;
|
||||
v.value = y;
|
||||
w.value = z;
|
||||
if (__builtin_expect (u.ieee.exponent + v.ieee.exponent
|
||||
>= 0x7fff + IEEE854_FLOAT128_BIAS
|
||||
- FLT128_MANT_DIG, 0)
|
||||
|| __builtin_expect (u.ieee.exponent >= 0x7fff - FLT128_MANT_DIG, 0)
|
||||
|| __builtin_expect (v.ieee.exponent >= 0x7fff - FLT128_MANT_DIG, 0)
|
||||
|| __builtin_expect (w.ieee.exponent >= 0x7fff - FLT128_MANT_DIG, 0)
|
||||
|| __builtin_expect (u.ieee.exponent + v.ieee.exponent
|
||||
<= IEEE854_FLOAT128_BIAS + FLT128_MANT_DIG, 0))
|
||||
{
|
||||
/* If z is Inf, but x and y are finite, the result should be
|
||||
z rather than NaN. */
|
||||
if (w.ieee.exponent == 0x7fff
|
||||
&& u.ieee.exponent != 0x7fff
|
||||
&& v.ieee.exponent != 0x7fff)
|
||||
return (z + x) + y;
|
||||
/* If x or y or z is Inf/NaN, or if fma will certainly overflow,
|
||||
or if x * y is less than half of FLT128_DENORM_MIN,
|
||||
compute as x * y + z. */
|
||||
if (u.ieee.exponent == 0x7fff
|
||||
|| v.ieee.exponent == 0x7fff
|
||||
|| w.ieee.exponent == 0x7fff
|
||||
|| u.ieee.exponent + v.ieee.exponent
|
||||
> 0x7fff + IEEE854_FLOAT128_BIAS
|
||||
|| u.ieee.exponent + v.ieee.exponent
|
||||
< IEEE854_FLOAT128_BIAS - FLT128_MANT_DIG - 2)
|
||||
return x * y + z;
|
||||
if (u.ieee.exponent + v.ieee.exponent
|
||||
>= 0x7fff + IEEE854_FLOAT128_BIAS - FLT128_MANT_DIG)
|
||||
{
|
||||
/* Compute 1p-113 times smaller result and multiply
|
||||
at the end. */
|
||||
if (u.ieee.exponent > v.ieee.exponent)
|
||||
u.ieee.exponent -= FLT128_MANT_DIG;
|
||||
else
|
||||
v.ieee.exponent -= FLT128_MANT_DIG;
|
||||
/* If x + y exponent is very large and z exponent is very small,
|
||||
it doesn't matter if we don't adjust it. */
|
||||
if (w.ieee.exponent > FLT128_MANT_DIG)
|
||||
w.ieee.exponent -= FLT128_MANT_DIG;
|
||||
adjust = 1;
|
||||
}
|
||||
else if (w.ieee.exponent >= 0x7fff - FLT128_MANT_DIG)
|
||||
{
|
||||
/* Similarly.
|
||||
If z exponent is very large and x and y exponents are
|
||||
very small, it doesn't matter if we don't adjust it. */
|
||||
if (u.ieee.exponent > v.ieee.exponent)
|
||||
{
|
||||
if (u.ieee.exponent > FLT128_MANT_DIG)
|
||||
u.ieee.exponent -= FLT128_MANT_DIG;
|
||||
}
|
||||
else if (v.ieee.exponent > FLT128_MANT_DIG)
|
||||
v.ieee.exponent -= FLT128_MANT_DIG;
|
||||
w.ieee.exponent -= FLT128_MANT_DIG;
|
||||
adjust = 1;
|
||||
}
|
||||
else if (u.ieee.exponent >= 0x7fff - FLT128_MANT_DIG)
|
||||
{
|
||||
u.ieee.exponent -= FLT128_MANT_DIG;
|
||||
if (v.ieee.exponent)
|
||||
v.ieee.exponent += FLT128_MANT_DIG;
|
||||
else
|
||||
v.value *= 0x1p113Q;
|
||||
}
|
||||
else if (v.ieee.exponent >= 0x7fff - FLT128_MANT_DIG)
|
||||
{
|
||||
v.ieee.exponent -= FLT128_MANT_DIG;
|
||||
if (u.ieee.exponent)
|
||||
u.ieee.exponent += FLT128_MANT_DIG;
|
||||
else
|
||||
u.value *= 0x1p113Q;
|
||||
}
|
||||
else /* if (u.ieee.exponent + v.ieee.exponent
|
||||
<= IEEE854_FLOAT128_BIAS + FLT128_MANT_DIG) */
|
||||
{
|
||||
if (u.ieee.exponent > v.ieee.exponent)
|
||||
u.ieee.exponent += 2 * FLT128_MANT_DIG;
|
||||
else
|
||||
v.ieee.exponent += 2 * FLT128_MANT_DIG;
|
||||
if (w.ieee.exponent <= 4 * FLT128_MANT_DIG + 4)
|
||||
{
|
||||
if (w.ieee.exponent)
|
||||
w.ieee.exponent += 2 * FLT128_MANT_DIG;
|
||||
else
|
||||
w.value *= 0x1p226Q;
|
||||
adjust = -1;
|
||||
}
|
||||
/* Otherwise x * y should just affect inexact
|
||||
and nothing else. */
|
||||
}
|
||||
x = u.value;
|
||||
y = v.value;
|
||||
z = w.value;
|
||||
}
|
||||
/* Multiplication m1 + m2 = x * y using Dekker's algorithm. */
|
||||
#define C ((1LL << (FLT128_MANT_DIG + 1) / 2) + 1)
|
||||
__float128 x1 = x * C;
|
||||
__float128 y1 = y * C;
|
||||
__float128 m1 = x * y;
|
||||
x1 = (x - x1) + x1;
|
||||
y1 = (y - y1) + y1;
|
||||
__float128 x2 = x - x1;
|
||||
__float128 y2 = y - y1;
|
||||
__float128 m2 = (((x1 * y1 - m1) + x1 * y2) + x2 * y1) + x2 * y2;
|
||||
|
||||
/* Addition a1 + a2 = z + m1 using Knuth's algorithm. */
|
||||
__float128 a1 = z + m1;
|
||||
__float128 t1 = a1 - z;
|
||||
__float128 t2 = a1 - t1;
|
||||
t1 = m1 - t1;
|
||||
t2 = z - t2;
|
||||
__float128 a2 = t1 + t2;
|
||||
|
||||
#ifdef USE_FENV_H
|
||||
fenv_t env;
|
||||
feholdexcept (&env);
|
||||
fesetround (FE_TOWARDZERO);
|
||||
#endif
|
||||
/* Perform m2 + a2 addition with round to odd. */
|
||||
u.value = a2 + m2;
|
||||
|
||||
if (__builtin_expect (adjust == 0, 1))
|
||||
{
|
||||
#ifdef USE_FENV_H
|
||||
if ((u.ieee.mant_low & 1) == 0 && u.ieee.exponent != 0x7fff)
|
||||
u.ieee.mant_low |= fetestexcept (FE_INEXACT) != 0;
|
||||
feupdateenv (&env);
|
||||
#endif
|
||||
/* Result is a1 + u.value. */
|
||||
return a1 + u.value;
|
||||
}
|
||||
else if (__builtin_expect (adjust > 0, 1))
|
||||
{
|
||||
#ifdef USE_FENV_H
|
||||
if ((u.ieee.mant_low & 1) == 0 && u.ieee.exponent != 0x7fff)
|
||||
u.ieee.mant_low |= fetestexcept (FE_INEXACT) != 0;
|
||||
feupdateenv (&env);
|
||||
#endif
|
||||
/* Result is a1 + u.value, scaled up. */
|
||||
return (a1 + u.value) * 0x1p113Q;
|
||||
}
|
||||
else
|
||||
{
|
||||
#ifdef USE_FENV_H
|
||||
if ((u.ieee.mant_low & 1) == 0)
|
||||
u.ieee.mant_low |= fetestexcept (FE_INEXACT) != 0;
|
||||
#endif
|
||||
v.value = a1 + u.value;
|
||||
/* Ensure the addition is not scheduled after fetestexcept call. */
|
||||
asm volatile ("" : : "m" (v));
|
||||
#ifdef USE_FENV_H
|
||||
int j = fetestexcept (FE_INEXACT) != 0;
|
||||
feupdateenv (&env);
|
||||
#else
|
||||
int j = 0;
|
||||
#endif
|
||||
/* Ensure the following computations are performed in default rounding
|
||||
mode instead of just reusing the round to zero computation. */
|
||||
asm volatile ("" : "=m" (u) : "m" (u));
|
||||
/* If a1 + u.value is exact, the only rounding happens during
|
||||
scaling down. */
|
||||
if (j == 0)
|
||||
return v.value * 0x1p-226Q;
|
||||
/* If result rounded to zero is not subnormal, no double
|
||||
rounding will occur. */
|
||||
if (v.ieee.exponent > 226)
|
||||
return (a1 + u.value) * 0x1p-226Q;
|
||||
/* If v.value * 0x1p-226Q with round to zero is a subnormal above
|
||||
or equal to FLT128_MIN / 2, then v.value * 0x1p-226Q shifts mantissa
|
||||
down just by 1 bit, which means v.ieee.mant_low |= j would
|
||||
change the round bit, not sticky or guard bit.
|
||||
v.value * 0x1p-226Q never normalizes by shifting up,
|
||||
so round bit plus sticky bit should be already enough
|
||||
for proper rounding. */
|
||||
if (v.ieee.exponent == 226)
|
||||
{
|
||||
/* v.ieee.mant_low & 2 is LSB bit of the result before rounding,
|
||||
v.ieee.mant_low & 1 is the round bit and j is our sticky
|
||||
bit. In round-to-nearest 001 rounds down like 00,
|
||||
011 rounds up, even though 01 rounds down (thus we need
|
||||
to adjust), 101 rounds down like 10 and 111 rounds up
|
||||
like 11. */
|
||||
if ((v.ieee.mant_low & 3) == 1)
|
||||
{
|
||||
v.value *= 0x1p-226Q;
|
||||
if (v.ieee.negative)
|
||||
return v.value - 0x1p-16494Q /* __FLT128_DENORM_MIN__ */;
|
||||
else
|
||||
return v.value + 0x1p-16494Q /* __FLT128_DENORM_MIN__ */;
|
||||
}
|
||||
else
|
||||
return v.value * 0x1p-226Q;
|
||||
}
|
||||
v.ieee.mant_low |= j;
|
||||
return v.value * 0x1p-226Q;
|
||||
}
|
||||
}
|
|
@ -24,6 +24,7 @@ Boston, MA 02110-1301, USA. */
|
|||
#include <stdint.h>
|
||||
#include <stdlib.h>
|
||||
#include "quadmath.h"
|
||||
#include "config.h"
|
||||
|
||||
|
||||
// Prototypes for internal functions
|
||||
|
|
|
@ -48,6 +48,7 @@ extern __float128 expm1q (__float128);
|
|||
extern __float128 fabsq (__float128);
|
||||
extern int finiteq (const __float128);
|
||||
extern __float128 floorq (__float128);
|
||||
extern __float128 fmaq (__float128, __float128, __float128);
|
||||
extern __float128 fmodq (__float128, __float128);
|
||||
extern __float128 frexpq (__float128, int *);
|
||||
extern __float128 hypotq (__float128, __float128);
|
||||
|
|
|
@ -19,6 +19,7 @@ QUADMATH_1.0 {
|
|||
fabsq;
|
||||
finiteq;
|
||||
floorq;
|
||||
fmaq;
|
||||
fmodq;
|
||||
frexpq;
|
||||
hypotq;
|
||||
|
|
|
@ -55,6 +55,7 @@ __qmath3 (expm1q)
|
|||
__qmath3 (fabsq)
|
||||
__qmath3 (finiteq)
|
||||
__qmath3 (floorq)
|
||||
__qmath3 (fmaq)
|
||||
__qmath3 (fmodq)
|
||||
__qmath3 (frexpq)
|
||||
__qmath3 (hypotq)
|
||||
|
|
Loading…
Reference in New Issue