re PR fortran/15441 (RRSPACING broken for denormals)
2006-10-06 Steven G. Kargl <kargl@gcc.gnu.org>
* gfortran.h: Define GFC_MPFR_TOO_OLD via mpfr version info.
* arith.c (arctangent, gfc_check_real_range): Use it.
* simplify.c (gfc_simplify_atan2, gfc_simplify_exponent,
gfc_simplify_log, gfc_simplify_nearest): Use it.
PR fortran/15441
PR fortran/29312
* iresolve.c (gfc_resolve_rrspacing): Give rrspacing library
routine hidden precision argument.
(gfc_resolve_spacing): Give spacing library routine hidden
precision, emin - 1, and tiny(x) arguments.
* simplify.c (gfc_simplify_nearest): Remove explicit subnormalization.
(gfc_simplify_rrspacing): Implement formula from Fortran 95 standard.
(gfc_simplify_spacing): Implement formula from Fortran 2003 standard.
* trans-intrinsic.c (gfc_intrinsic_map_t) Declare rrspacing and
spacing via LIBF_FUNCTION
(prepare_arg_info, call_builtin_clz, gfc_conv_intrinsic_spacing,
gfc_conv_intrinsic_rrspacing): Remove functions.
(gfc_conv_intrinsic_function): Remove calls to
gfc_conv_intrinsic_spacing and gfc_conv_intrinsic_rrspacing.
* f95-lang.c (gfc_init_builtin_functions): Remove __builtin_clz,
__builtin_clzl and __builtin_clzll
2006-10-06 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/15441
PR fortran/29312
* configure.ac: Add HAVE_LDEXPF, HAVE_LDEXP, and HAVE_LDEXPL
* m4/spacing.m4: New file. Use new HAVE_* defines.
* m4/rrspacing.m4: Ditto.
* Makefile.am: Handle new files.
* configure: Regenerated.
* Makefile.in: Ditto.
* config.h.in: Ditto.
* generated/spacing_r4.c: Generated.
* generated/spacing_r8.c: Ditto.
* generated/spacing_r10.c: Ditto.
* generated/spacing_r16.c: Ditto.
* generated/rrspacing_r4.c: Ditto.
* generated/rrspacing_r8.c: Ditto.
* generated/rrspacing_r10.c: Ditto.
* generated/rrspacing_r16.c: Ditto.
From-SVN: r117584
2006-10-09 22:55:29 +02:00
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/* Implementation of the RRSPACING intrinsic
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2013-01-14 19:20:58 +01:00
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Copyright (C) 2006-2013 Free Software Foundation, Inc.
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re PR fortran/15441 (RRSPACING broken for denormals)
2006-10-06 Steven G. Kargl <kargl@gcc.gnu.org>
* gfortran.h: Define GFC_MPFR_TOO_OLD via mpfr version info.
* arith.c (arctangent, gfc_check_real_range): Use it.
* simplify.c (gfc_simplify_atan2, gfc_simplify_exponent,
gfc_simplify_log, gfc_simplify_nearest): Use it.
PR fortran/15441
PR fortran/29312
* iresolve.c (gfc_resolve_rrspacing): Give rrspacing library
routine hidden precision argument.
(gfc_resolve_spacing): Give spacing library routine hidden
precision, emin - 1, and tiny(x) arguments.
* simplify.c (gfc_simplify_nearest): Remove explicit subnormalization.
(gfc_simplify_rrspacing): Implement formula from Fortran 95 standard.
(gfc_simplify_spacing): Implement formula from Fortran 2003 standard.
* trans-intrinsic.c (gfc_intrinsic_map_t) Declare rrspacing and
spacing via LIBF_FUNCTION
(prepare_arg_info, call_builtin_clz, gfc_conv_intrinsic_spacing,
gfc_conv_intrinsic_rrspacing): Remove functions.
(gfc_conv_intrinsic_function): Remove calls to
gfc_conv_intrinsic_spacing and gfc_conv_intrinsic_rrspacing.
* f95-lang.c (gfc_init_builtin_functions): Remove __builtin_clz,
__builtin_clzl and __builtin_clzll
2006-10-06 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/15441
PR fortran/29312
* configure.ac: Add HAVE_LDEXPF, HAVE_LDEXP, and HAVE_LDEXPL
* m4/spacing.m4: New file. Use new HAVE_* defines.
* m4/rrspacing.m4: Ditto.
* Makefile.am: Handle new files.
* configure: Regenerated.
* Makefile.in: Ditto.
* config.h.in: Ditto.
* generated/spacing_r4.c: Generated.
* generated/spacing_r8.c: Ditto.
* generated/spacing_r10.c: Ditto.
* generated/spacing_r16.c: Ditto.
* generated/rrspacing_r4.c: Ditto.
* generated/rrspacing_r8.c: Ditto.
* generated/rrspacing_r10.c: Ditto.
* generated/rrspacing_r16.c: Ditto.
From-SVN: r117584
2006-10-09 22:55:29 +02:00
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Contributed by Steven G. Kargl <kargl@gcc.gnu.org>
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This file is part of the GNU Fortran 95 runtime library (libgfortran).
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Libgfortran is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public
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License as published by the Free Software Foundation; either
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2009-04-09 17:00:19 +02:00
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version 3 of the License, or (at your option) any later version.
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re PR fortran/15441 (RRSPACING broken for denormals)
2006-10-06 Steven G. Kargl <kargl@gcc.gnu.org>
* gfortran.h: Define GFC_MPFR_TOO_OLD via mpfr version info.
* arith.c (arctangent, gfc_check_real_range): Use it.
* simplify.c (gfc_simplify_atan2, gfc_simplify_exponent,
gfc_simplify_log, gfc_simplify_nearest): Use it.
PR fortran/15441
PR fortran/29312
* iresolve.c (gfc_resolve_rrspacing): Give rrspacing library
routine hidden precision argument.
(gfc_resolve_spacing): Give spacing library routine hidden
precision, emin - 1, and tiny(x) arguments.
* simplify.c (gfc_simplify_nearest): Remove explicit subnormalization.
(gfc_simplify_rrspacing): Implement formula from Fortran 95 standard.
(gfc_simplify_spacing): Implement formula from Fortran 2003 standard.
* trans-intrinsic.c (gfc_intrinsic_map_t) Declare rrspacing and
spacing via LIBF_FUNCTION
(prepare_arg_info, call_builtin_clz, gfc_conv_intrinsic_spacing,
gfc_conv_intrinsic_rrspacing): Remove functions.
(gfc_conv_intrinsic_function): Remove calls to
gfc_conv_intrinsic_spacing and gfc_conv_intrinsic_rrspacing.
* f95-lang.c (gfc_init_builtin_functions): Remove __builtin_clz,
__builtin_clzl and __builtin_clzll
2006-10-06 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/15441
PR fortran/29312
* configure.ac: Add HAVE_LDEXPF, HAVE_LDEXP, and HAVE_LDEXPL
* m4/spacing.m4: New file. Use new HAVE_* defines.
* m4/rrspacing.m4: Ditto.
* Makefile.am: Handle new files.
* configure: Regenerated.
* Makefile.in: Ditto.
* config.h.in: Ditto.
* generated/spacing_r4.c: Generated.
* generated/spacing_r8.c: Ditto.
* generated/spacing_r10.c: Ditto.
* generated/spacing_r16.c: Ditto.
* generated/rrspacing_r4.c: Ditto.
* generated/rrspacing_r8.c: Ditto.
* generated/rrspacing_r10.c: Ditto.
* generated/rrspacing_r16.c: Ditto.
From-SVN: r117584
2006-10-09 22:55:29 +02:00
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Libgfortran is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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2009-04-09 17:00:19 +02:00
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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re PR fortran/15441 (RRSPACING broken for denormals)
2006-10-06 Steven G. Kargl <kargl@gcc.gnu.org>
* gfortran.h: Define GFC_MPFR_TOO_OLD via mpfr version info.
* arith.c (arctangent, gfc_check_real_range): Use it.
* simplify.c (gfc_simplify_atan2, gfc_simplify_exponent,
gfc_simplify_log, gfc_simplify_nearest): Use it.
PR fortran/15441
PR fortran/29312
* iresolve.c (gfc_resolve_rrspacing): Give rrspacing library
routine hidden precision argument.
(gfc_resolve_spacing): Give spacing library routine hidden
precision, emin - 1, and tiny(x) arguments.
* simplify.c (gfc_simplify_nearest): Remove explicit subnormalization.
(gfc_simplify_rrspacing): Implement formula from Fortran 95 standard.
(gfc_simplify_spacing): Implement formula from Fortran 2003 standard.
* trans-intrinsic.c (gfc_intrinsic_map_t) Declare rrspacing and
spacing via LIBF_FUNCTION
(prepare_arg_info, call_builtin_clz, gfc_conv_intrinsic_spacing,
gfc_conv_intrinsic_rrspacing): Remove functions.
(gfc_conv_intrinsic_function): Remove calls to
gfc_conv_intrinsic_spacing and gfc_conv_intrinsic_rrspacing.
* f95-lang.c (gfc_init_builtin_functions): Remove __builtin_clz,
__builtin_clzl and __builtin_clzll
2006-10-06 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/15441
PR fortran/29312
* configure.ac: Add HAVE_LDEXPF, HAVE_LDEXP, and HAVE_LDEXPL
* m4/spacing.m4: New file. Use new HAVE_* defines.
* m4/rrspacing.m4: Ditto.
* Makefile.am: Handle new files.
* configure: Regenerated.
* Makefile.in: Ditto.
* config.h.in: Ditto.
* generated/spacing_r4.c: Generated.
* generated/spacing_r8.c: Ditto.
* generated/spacing_r10.c: Ditto.
* generated/spacing_r16.c: Ditto.
* generated/rrspacing_r4.c: Ditto.
* generated/rrspacing_r8.c: Ditto.
* generated/rrspacing_r10.c: Ditto.
* generated/rrspacing_r16.c: Ditto.
From-SVN: r117584
2006-10-09 22:55:29 +02:00
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#include "libgfortran.h"
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2010-08-29 00:10:52 +02:00
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#define MATHFUNC(funcname) funcname ## l
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2006-10-13 21:08:37 +02:00
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#if defined (HAVE_GFC_REAL_10) && defined (HAVE_FABSL) && defined (HAVE_FREXPL)
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re PR fortran/15441 (RRSPACING broken for denormals)
2006-10-06 Steven G. Kargl <kargl@gcc.gnu.org>
* gfortran.h: Define GFC_MPFR_TOO_OLD via mpfr version info.
* arith.c (arctangent, gfc_check_real_range): Use it.
* simplify.c (gfc_simplify_atan2, gfc_simplify_exponent,
gfc_simplify_log, gfc_simplify_nearest): Use it.
PR fortran/15441
PR fortran/29312
* iresolve.c (gfc_resolve_rrspacing): Give rrspacing library
routine hidden precision argument.
(gfc_resolve_spacing): Give spacing library routine hidden
precision, emin - 1, and tiny(x) arguments.
* simplify.c (gfc_simplify_nearest): Remove explicit subnormalization.
(gfc_simplify_rrspacing): Implement formula from Fortran 95 standard.
(gfc_simplify_spacing): Implement formula from Fortran 2003 standard.
* trans-intrinsic.c (gfc_intrinsic_map_t) Declare rrspacing and
spacing via LIBF_FUNCTION
(prepare_arg_info, call_builtin_clz, gfc_conv_intrinsic_spacing,
gfc_conv_intrinsic_rrspacing): Remove functions.
(gfc_conv_intrinsic_function): Remove calls to
gfc_conv_intrinsic_spacing and gfc_conv_intrinsic_rrspacing.
* f95-lang.c (gfc_init_builtin_functions): Remove __builtin_clz,
__builtin_clzl and __builtin_clzll
2006-10-06 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/15441
PR fortran/29312
* configure.ac: Add HAVE_LDEXPF, HAVE_LDEXP, and HAVE_LDEXPL
* m4/spacing.m4: New file. Use new HAVE_* defines.
* m4/rrspacing.m4: Ditto.
* Makefile.am: Handle new files.
* configure: Regenerated.
* Makefile.in: Ditto.
* config.h.in: Ditto.
* generated/spacing_r4.c: Generated.
* generated/spacing_r8.c: Ditto.
* generated/spacing_r10.c: Ditto.
* generated/spacing_r16.c: Ditto.
* generated/rrspacing_r4.c: Ditto.
* generated/rrspacing_r8.c: Ditto.
* generated/rrspacing_r10.c: Ditto.
* generated/rrspacing_r16.c: Ditto.
From-SVN: r117584
2006-10-09 22:55:29 +02:00
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extern GFC_REAL_10 rrspacing_r10 (GFC_REAL_10 s, int p);
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export_proto(rrspacing_r10);
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GFC_REAL_10
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rrspacing_r10 (GFC_REAL_10 s, int p)
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{
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int e;
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GFC_REAL_10 x;
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2010-08-29 00:10:52 +02:00
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x = MATHFUNC(fabs) (s);
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re PR fortran/15441 (RRSPACING broken for denormals)
2006-10-06 Steven G. Kargl <kargl@gcc.gnu.org>
* gfortran.h: Define GFC_MPFR_TOO_OLD via mpfr version info.
* arith.c (arctangent, gfc_check_real_range): Use it.
* simplify.c (gfc_simplify_atan2, gfc_simplify_exponent,
gfc_simplify_log, gfc_simplify_nearest): Use it.
PR fortran/15441
PR fortran/29312
* iresolve.c (gfc_resolve_rrspacing): Give rrspacing library
routine hidden precision argument.
(gfc_resolve_spacing): Give spacing library routine hidden
precision, emin - 1, and tiny(x) arguments.
* simplify.c (gfc_simplify_nearest): Remove explicit subnormalization.
(gfc_simplify_rrspacing): Implement formula from Fortran 95 standard.
(gfc_simplify_spacing): Implement formula from Fortran 2003 standard.
* trans-intrinsic.c (gfc_intrinsic_map_t) Declare rrspacing and
spacing via LIBF_FUNCTION
(prepare_arg_info, call_builtin_clz, gfc_conv_intrinsic_spacing,
gfc_conv_intrinsic_rrspacing): Remove functions.
(gfc_conv_intrinsic_function): Remove calls to
gfc_conv_intrinsic_spacing and gfc_conv_intrinsic_rrspacing.
* f95-lang.c (gfc_init_builtin_functions): Remove __builtin_clz,
__builtin_clzl and __builtin_clzll
2006-10-06 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/15441
PR fortran/29312
* configure.ac: Add HAVE_LDEXPF, HAVE_LDEXP, and HAVE_LDEXPL
* m4/spacing.m4: New file. Use new HAVE_* defines.
* m4/rrspacing.m4: Ditto.
* Makefile.am: Handle new files.
* configure: Regenerated.
* Makefile.in: Ditto.
* config.h.in: Ditto.
* generated/spacing_r4.c: Generated.
* generated/spacing_r8.c: Ditto.
* generated/spacing_r10.c: Ditto.
* generated/spacing_r16.c: Ditto.
* generated/rrspacing_r4.c: Ditto.
* generated/rrspacing_r8.c: Ditto.
* generated/rrspacing_r10.c: Ditto.
* generated/rrspacing_r16.c: Ditto.
From-SVN: r117584
2006-10-09 22:55:29 +02:00
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if (x == 0.)
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return 0.;
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2010-08-29 00:10:52 +02:00
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MATHFUNC(frexp) (s, &e);
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2006-10-13 21:08:37 +02:00
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#if defined (HAVE_LDEXPL)
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2010-08-29 00:10:52 +02:00
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return MATHFUNC(ldexp) (x, p - e);
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2006-10-13 21:08:37 +02:00
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#else
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2010-08-29 00:10:52 +02:00
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return MATHFUNC(scalbn) (x, p - e);
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2006-10-13 21:08:37 +02:00
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#endif
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re PR fortran/15441 (RRSPACING broken for denormals)
2006-10-06 Steven G. Kargl <kargl@gcc.gnu.org>
* gfortran.h: Define GFC_MPFR_TOO_OLD via mpfr version info.
* arith.c (arctangent, gfc_check_real_range): Use it.
* simplify.c (gfc_simplify_atan2, gfc_simplify_exponent,
gfc_simplify_log, gfc_simplify_nearest): Use it.
PR fortran/15441
PR fortran/29312
* iresolve.c (gfc_resolve_rrspacing): Give rrspacing library
routine hidden precision argument.
(gfc_resolve_spacing): Give spacing library routine hidden
precision, emin - 1, and tiny(x) arguments.
* simplify.c (gfc_simplify_nearest): Remove explicit subnormalization.
(gfc_simplify_rrspacing): Implement formula from Fortran 95 standard.
(gfc_simplify_spacing): Implement formula from Fortran 2003 standard.
* trans-intrinsic.c (gfc_intrinsic_map_t) Declare rrspacing and
spacing via LIBF_FUNCTION
(prepare_arg_info, call_builtin_clz, gfc_conv_intrinsic_spacing,
gfc_conv_intrinsic_rrspacing): Remove functions.
(gfc_conv_intrinsic_function): Remove calls to
gfc_conv_intrinsic_spacing and gfc_conv_intrinsic_rrspacing.
* f95-lang.c (gfc_init_builtin_functions): Remove __builtin_clz,
__builtin_clzl and __builtin_clzll
2006-10-06 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/15441
PR fortran/29312
* configure.ac: Add HAVE_LDEXPF, HAVE_LDEXP, and HAVE_LDEXPL
* m4/spacing.m4: New file. Use new HAVE_* defines.
* m4/rrspacing.m4: Ditto.
* Makefile.am: Handle new files.
* configure: Regenerated.
* Makefile.in: Ditto.
* config.h.in: Ditto.
* generated/spacing_r4.c: Generated.
* generated/spacing_r8.c: Ditto.
* generated/spacing_r10.c: Ditto.
* generated/spacing_r16.c: Ditto.
* generated/rrspacing_r4.c: Ditto.
* generated/rrspacing_r8.c: Ditto.
* generated/rrspacing_r10.c: Ditto.
* generated/rrspacing_r16.c: Ditto.
From-SVN: r117584
2006-10-09 22:55:29 +02:00
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}
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#endif
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