1ec601bf9f
/
2010-11-13 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
Tobias Burnus <burnus@net-b.de>
PR fortran/32049
* Makefile.def: Add libquadmath; build it with language=fortran.
* configure.ac: Add libquadmath.
* Makefile.tpl: Handle multiple libs in check-[+language+].
* Makefile.in: Regenerate.
* configure: Regenerate.
libquadmath/
2010-11-13 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
Tobias Burnus <burnus@net-b.de>
PR fortran/32049
Initial implementation and checkin.
gcc/fortran/
2010-11-13 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
Tobias Burnus <burnus@net-b.de>
PR fortran/32049
* gfortranspec.c (find_spec_file): New function.
(lang_specific_driver): Try to find .spec file and use it.
* trans-io.c (iocall): Define
* IOCALL_X_REAL128/COMPLEX128(,write).
(gfc_build_io_library_fndecls): Build decl for __float128 I/O.
(transfer_expr): Call __float128 I/O functions.
* trans-types.c (gfc_init_kinds): Allow kind-16 belonging
to __float128.
gcc/testsuite/
2010-11-13 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
Tobias Burnus <burnus@net-b.de>
PR fortran/32049
* gfortran.dg/quad_1.f90: New.
* lib/gcc-defs.exp (gcc-set-multilib-library-path): Use also
compiler arguments.
* lib/gfortran.exp (gfortran_link_flags): Add libquadmath to
library search path; call gcc-set-multilib-library-path with
arguments such that libgfortran.spec is found.
(gfortran_init): Add path for libgfortran.spec to
GFORTRAN_UNDER_TEST.
libgomp/
2010-11-13 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
Tobias Burnus <burnus@net-b.de>
PR fortran/32049
* configure.ac:
* configure: Regenerate.
libgfortran/
2010-11-13 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
Tobias Burnus <burnus@net-b.de>
PR fortran/32049
* Makefile.am: Add missing pow_r16_i4.c, add transfer128.c,
link libquadmath, if used.
* acinclude.m4 (LIBGFOR_CHECK_FLOAT128): Add.
* configure.ac: Use it, touch spec file.
* gfortran.map: Add pow_r16_i4 and
transfer_(real,complex)128(,write) functions.
* intrinsics/cshift0.c (cshift0): Handle __float128 type.
* intrinsics/erfc_scaled_inc.c: Ditto.
* intrinsics/pack_generic.c (pack): Ditto
* intrinsics/spread_generic.c (spread): Ditto.
* intrinsics/unpack_generic.c (unpack1): Ditto.
* io/read.c (convert_real): Ditto.
* io/transfer.c: Update comments.
* io/transfer128.c: New file.
* io/write_float.def (write_float): Handle __float128 type.
* libgfortran.h: #include quadmath_weak.h, define __builtin_infq
and nanq.
* m4/mtype.m4: Handle __float128 type.
* runtime/in_pack_generic.c (internal_pack): Ditto.
* runtime/in_unpack_generic.c (internal_unpack): Ditto.
* kinds-override.h: New file.
* libgfortran.spec.in: Ditto.
* generated/pow_r16_i4.c: Generated.
* Makefile.in: Regenerate.
* configure: Regenerate.
* config.h: Regenerate.
* bessel_r10.c: Regenerate.
* bessel_r16.c: Regenerate.
* bessel_r4.c: Regenerate.
* bessel_r8.c: Regenerate.
* exponent_r16.c: Regenerate.
* fraction_r16.c: Regenerate.
* nearest_r16.c: Regenerate.
* norm2_r10.c: Regenerate.
* norm2_r16.c: Regenerate.
* norm2_r4.c: Regenerate.
* norm2_r8.c: Regenerate.
* rrspacing_r16.c: Regenerate.
* set_exponent_r16.c: Regenerate.
* spacing_r16.c: Regenerate.
Co-Authored-By: Tobias Burnus <burnus@net-b.de>
From-SVN: r166825
112 lines
3.5 KiB
C
112 lines
3.5 KiB
C
/* e_sinhl.c -- __float128 version of e_sinh.c.
|
|
* Conversion to __float128 by Ulrich Drepper,
|
|
* Cygnus Support, drepper@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.
|
|
* ====================================================
|
|
*/
|
|
|
|
/* Changes for 128-bit __float128 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 */
|
|
|
|
/* __ieee754_sinhl(x)
|
|
* Method :
|
|
* mathematically sinh(x) if defined to be (exp(x)-exp(-x))/2
|
|
* 1. Replace x by |x| (sinhl(-x) = -sinhl(x)).
|
|
* 2.
|
|
* E + E/(E+1)
|
|
* 0 <= x <= 25 : sinhl(x) := --------------, E=expm1l(x)
|
|
* 2
|
|
*
|
|
* 25 <= x <= lnovft : sinhl(x) := expl(x)/2
|
|
* lnovft <= x <= ln2ovft: sinhl(x) := expl(x/2)/2 * expl(x/2)
|
|
* ln2ovft < x : sinhl(x) := x*shuge (overflow)
|
|
*
|
|
* Special cases:
|
|
* sinhl(x) is |x| if x is +INF, -INF, or NaN.
|
|
* only sinhl(0)=0 is exact for finite x.
|
|
*/
|
|
|
|
#include "quadmath-imp.h"
|
|
|
|
static const __float128 one = 1.0, shuge = 1.0e4931Q,
|
|
ovf_thresh = 1.1357216553474703894801348310092223067821E4Q;
|
|
|
|
__float128
|
|
sinhq (__float128 x)
|
|
{
|
|
__float128 t, w, h;
|
|
uint32_t jx, ix;
|
|
ieee854_float128 u;
|
|
|
|
/* Words of |x|. */
|
|
u.value = x;
|
|
jx = u.words32.w0;
|
|
ix = jx & 0x7fffffff;
|
|
|
|
/* x is INF or NaN */
|
|
if (ix >= 0x7fff0000)
|
|
return x + x;
|
|
|
|
h = 0.5Q;
|
|
if (jx & 0x80000000)
|
|
h = -h;
|
|
|
|
/* Absolute value of x. */
|
|
u.words32.w0 = ix;
|
|
|
|
/* |x| in [0,40], return sign(x)*0.5*(E+E/(E+1))) */
|
|
if (ix <= 0x40044000)
|
|
{
|
|
if (ix < 0x3fc60000) /* |x| < 2^-57 */
|
|
if (shuge + x > one)
|
|
return x; /* sinh(tiny) = tiny with inexact */
|
|
t = expm1q (u.value);
|
|
if (ix < 0x3fff0000)
|
|
return h * (2.0Q * t - t * t / (t + one));
|
|
return h * (t + t / (t + one));
|
|
}
|
|
|
|
/* |x| in [40, log(maxdouble)] return 0.5*exp(|x|) */
|
|
if (ix <= 0x400c62e3) /* 11356.375 */
|
|
return h * expq (u.value);
|
|
|
|
/* |x| in [log(maxdouble), overflowthreshold]
|
|
Overflow threshold is log(2 * maxdouble). */
|
|
if (u.value <= ovf_thresh)
|
|
{
|
|
w = expq (0.5Q * u.value);
|
|
t = h * w;
|
|
return t * w;
|
|
}
|
|
|
|
/* |x| > overflowthreshold, sinhl(x) overflow */
|
|
return x * shuge;
|
|
}
|