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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
69 lines
1.9 KiB
C
69 lines
1.9 KiB
C
/* Compute sine and cosine of argument.
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Copyright (C) 1997, 1999 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997 and
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Jakub Jelinek <jj@ultra.linux.cz>.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include "quadmath-imp.h"
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void
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sincosq (__float128 x, __float128 *sinx, __float128 *cosx)
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{
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int64_t ix;
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/* High word of x. */
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GET_FLT128_MSW64 (ix, x);
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/* |x| ~< pi/4 */
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ix &= 0x7fffffffffffffffLL;
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if (ix <= 0x3ffe921fb54442d1LL)
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__kernel_sincosq (x, 0.0Q, sinx, cosx, 0);
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else if (ix >= 0x7fff000000000000LL)
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{
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/* sin(Inf or NaN) is NaN */
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*sinx = *cosx = x - x;
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}
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else
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{
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/* Argument reduction needed. */
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__float128 y[2];
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int n;
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n = rem_pio2q (x, y);
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switch (n & 3)
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{
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case 0:
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__kernel_sincosq (y[0], y[1], sinx, cosx, 1);
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break;
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case 1:
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__kernel_sincosq (y[0], y[1], cosx, sinx, 1);
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*cosx = -*cosx;
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break;
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case 2:
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__kernel_sincosq (y[0], y[1], sinx, cosx, 1);
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*sinx = -*sinx;
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*cosx = -*cosx;
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break;
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default:
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__kernel_sincosq (y[0], y[1], cosx, sinx, 1);
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*sinx = -*sinx;
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break;
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}
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}
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}
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