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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/libgfortran/generated/rrspacing_r8.c | |
parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/libgfortran/generated/rrspacing_r8.c')
-rw-r--r-- | gcc-4.9/libgfortran/generated/rrspacing_r8.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/gcc-4.9/libgfortran/generated/rrspacing_r8.c b/gcc-4.9/libgfortran/generated/rrspacing_r8.c new file mode 100644 index 000000000..750874ed8 --- /dev/null +++ b/gcc-4.9/libgfortran/generated/rrspacing_r8.c @@ -0,0 +1,54 @@ +/* Implementation of the RRSPACING intrinsic + Copyright (C) 2006-2014 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 + +#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 = MATHFUNC(fabs) (s); + if (x == 0.) + return 0.; + MATHFUNC(frexp) (s, &e); +#if defined (HAVE_LDEXP) + return MATHFUNC(ldexp) (x, p - e); +#else + return MATHFUNC(scalbn) (x, p - e); +#endif + +} + +#endif |