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author | Jing Yu <jingyu@google.com> | 2009-11-05 15:11:04 -0800 |
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committer | Jing Yu <jingyu@google.com> | 2009-11-05 15:11:04 -0800 |
commit | df62c1c110e8532b995b23540b7e3695729c0779 (patch) | |
tree | dbbd4cbdb50ac38011e058a2533ee4c3168b0205 /gcc-4.2.1/libgfortran/generated/rrspacing_r8.c | |
parent | 8d401cf711539af5a2f78d12447341d774892618 (diff) | |
download | toolchain_gcc-df62c1c110e8532b995b23540b7e3695729c0779.tar.gz toolchain_gcc-df62c1c110e8532b995b23540b7e3695729c0779.tar.bz2 toolchain_gcc-df62c1c110e8532b995b23540b7e3695729c0779.zip |
Check in gcc sources for prebuilt toolchains in Eclair.
Diffstat (limited to 'gcc-4.2.1/libgfortran/generated/rrspacing_r8.c')
-rw-r--r-- | gcc-4.2.1/libgfortran/generated/rrspacing_r8.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/gcc-4.2.1/libgfortran/generated/rrspacing_r8.c b/gcc-4.2.1/libgfortran/generated/rrspacing_r8.c new file mode 100644 index 000000000..9dc87381d --- /dev/null +++ b/gcc-4.2.1/libgfortran/generated/rrspacing_r8.c @@ -0,0 +1,58 @@ +/* Implementation of the RRSPACING intrinsic + Copyright 2006 Free Software Foundation, Inc. + Contributed by Steven G. Kargl <kargl@gcc.gnu.org> + +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 2 of the License, or (at your option) any later version. + +In addition to the permissions in the GNU General Public License, the +Free Software Foundation gives you unlimited permission to link the +compiled version of this file into combinations with other programs, +and to distribute those combinations without any restriction coming +from the use of this file. (The General Public License restrictions +do apply in other respects; for example, they cover modification of +the file, and distribution when not linked into a combine +executable.) + +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. + +You should have received a copy of the GNU General Public +License along with libgfortran; see the file COPYING. If not, +write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, +Boston, MA 02110-1301, USA. */ + +#include "config.h" +#include <math.h> +#include "libgfortran.h" + + +#if defined (HAVE_GFC_REAL_8) && defined (HAVE_FABS) && defined (HAVE_FREXP) + +extern GFC_REAL_8 rrspacing_r8 (GFC_REAL_8 s, int p); +export_proto(rrspacing_r8); + +GFC_REAL_8 +rrspacing_r8 (GFC_REAL_8 s, int p) +{ + int e; + GFC_REAL_8 x; + x = fabs (s); + if (x == 0.) + return 0.; + frexp (s, &e); +#if defined (HAVE_LDEXP) + return ldexp (x, p - e); +#else + return scalbn (x, p - e); +#endif + +} + +#endif |