diff options
author | Ben Cheng <bccheng@google.com> | 2012-10-01 10:30:31 -0700 |
---|---|---|
committer | Ben Cheng <bccheng@google.com> | 2012-10-01 10:30:31 -0700 |
commit | 82bcbebce43f0227f506d75a5b764b6847041bae (patch) | |
tree | fe9f8597b48a430c4daeb5123e3e8eb28e6f9da9 /gcc-4.7/libgfortran/generated/spacing_r4.c | |
parent | 3c052de3bb16ac53b6b6ed659ec7557eb84c7590 (diff) | |
download | toolchain_gcc-82bcbebce43f0227f506d75a5b764b6847041bae.tar.gz toolchain_gcc-82bcbebce43f0227f506d75a5b764b6847041bae.tar.bz2 toolchain_gcc-82bcbebce43f0227f506d75a5b764b6847041bae.zip |
Initial check-in of gcc 4.7.2.
Change-Id: I4a2f5a921c21741a0e18bda986d77e5f1bef0365
Diffstat (limited to 'gcc-4.7/libgfortran/generated/spacing_r4.c')
-rw-r--r-- | gcc-4.7/libgfortran/generated/spacing_r4.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/gcc-4.7/libgfortran/generated/spacing_r4.c b/gcc-4.7/libgfortran/generated/spacing_r4.c new file mode 100644 index 000000000..44cf577bd --- /dev/null +++ b/gcc-4.7/libgfortran/generated/spacing_r4.c @@ -0,0 +1,53 @@ +/* Implementation of the SPACING intrinsic + Copyright 2006, 2007, 2009, 2010 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 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" + + + +#define MATHFUNC(funcname) funcname ## f + +#if defined (HAVE_GFC_REAL_4) && defined (HAVE_FREXPF) + +extern GFC_REAL_4 spacing_r4 (GFC_REAL_4 s, int p, int emin, GFC_REAL_4 tiny); +export_proto(spacing_r4); + +GFC_REAL_4 +spacing_r4 (GFC_REAL_4 s, int p, int emin, GFC_REAL_4 tiny) +{ + int e; + if (s == 0.) + return tiny; + MATHFUNC(frexp) (s, &e); + e = e - p; + e = e > emin ? e : emin; +#if defined (HAVE_LDEXPF) + return MATHFUNC(ldexp) (1., e); +#else + return MATHFUNC(scalbn) (1., e); +#endif +} + +#endif |