gcc/libgfortran/m4/nearest.m4
Francois-Xavier Coudert 08fd13d447 mtype.m4 (upcase, [...]): New macros.
* m4/mtype.m4 (upcase, hasmathfunc, mathfunc_macro): New macros.
	* m4/fraction.m4: Use new macros to support quad-float types.
	* m4/set_exponent.m4: Likewise.
	* m4/spacing.m4: Likewise.
	* m4/exponent.m4: Likewise.
	* m4/nearest.m4: Likewise.
	* m4/norm2.m4: Likewise.
	* m4/bessel.m4: Likewise.
	* m4/rrspacing.m4: Likewise.
	* generated/bessel_r4.c:Regenerated.
	* generated/bessel_r8.c: Regenerated.
	* generated/bessel_r10.c: Regenerated.
	* generated/bessel_r16.c: Regenerated.
	* generated/exponent_r4.c: Regenerated.
	* generated/exponent_r8.c: Regenerated.
	* generated/exponent_r10.c: Regenerated.
	* generated/exponent_r16.c: Regenerated.
	* generated/fraction_r4.c: Regenerated.
	* generated/fraction_r8.c: Regenerated.
	* generated/fraction_r10.c: Regenerated.
	* generated/fraction_r16.c: Regenerated.
	* generated/nearest_r4.c: Regenerated.
	* generated/nearest_r8.c: Regenerated.
	* generated/nearest_r10.c: Regenerated.
	* generated/nearest_r16.c: Regenerated.
	* generated/norm2_r4.c: Regenerated.
	* generated/norm2_r8.c: Regenerated.
	* generated/norm2_r10.c: Regenerated.
	* generated/norm2_r16.c: Regenerated.
	* generated/rrspacing_r4.c: Regenerated.
	* generated/rrspacing_r8.c: Regenerated.
	* generated/rrspacing_r10.c: Regenerated.
	* generated/rrspacing_r16.c: Regenerated.
	* generated/set_exponent_r4.c: Regenerated.
	* generated/set_exponent_r8.c: Regenerated.
	* generated/set_exponent_r10.c: Regenerated.
	* generated/set_exponent_r16.c: Regenerated.
	* generated/spacing_r4.c: Regenerated.
	* generated/spacing_r8.c: Regenerated.
	* generated/spacing_r10.c: Regenerated.
	* generated/spacing_r16.c: Regenerated.

From-SVN: r163620
2010-08-28 22:10:52 +00:00

52 lines
1.7 KiB
Plaintext

`/* Implementation of the NEAREST intrinsic
Copyright 2003, 2007, 2009 Free Software Foundation, Inc.
Contributed by Richard Henderson <rth@redhat.com>.
This file is part of the GNU Fortran 95 runtime library (libgfortran).
Libgfortran 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 3 of the License, or (at your option) any later version.
Libgfortran 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.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
#include "libgfortran.h"'
include(`mtype.m4')dnl
mathfunc_macro
`#if defined (HAVE_'real_type`) && 'hasmathfunc(copysign) && hasmathfunc(nextafter)`
extern 'real_type` nearest_r'kind` ('real_type` s, 'real_type` dir);
export_proto(nearest_r'kind`);
'real_type`
nearest_r'kind` ('real_type` s, 'real_type` dir)
{
dir = MATHFUNC(copysign) (MATHFUNC(__builtin_inf) (), dir);
if (FLT_EVAL_METHOD != 0)
{
/* ??? Work around glibc bug on x86. */
volatile 'real_type` r = MATHFUNC(nextafter) (s, dir);
return r;
}
else
return MATHFUNC(nextafter) (s, dir);
}
#endif'