diff options
author | Geoff Keating <geoffk@cygnus.com> | 2000-03-04 03:36:14 +0000 |
---|---|---|
committer | Geoff Keating <geoffk@cygnus.com> | 2000-03-04 03:36:14 +0000 |
commit | 8ed1e7d5894000c155acbd06ffd2ba07ea9f718b (patch) | |
tree | b9555e693953f12cd6a0a4f533922db17513d8b0 /soft-fp/sysdeps/powerpc/q_sub.c | |
parent | 706546ff10e0979cf49d002c03334810663b655f (diff) | |
download | glibc-8ed1e7d5894000c155acbd06ffd2ba07ea9f718b.tar.gz glibc-8ed1e7d5894000c155acbd06ffd2ba07ea9f718b.tar.xz glibc-8ed1e7d5894000c155acbd06ffd2ba07ea9f718b.zip |
In libc/:
* configure.in: Compute sizeof-long-double. * configure: Regenerated. * config.make.in: Make sizeof-long-double available to sub-makes. In libc/soft-fp/: * soft-fp.h (_FP_ROUND_ZERO): Cast 0 to void before using it as a statement. * sysdeps/powerpc/Makefile (routines): New file. * sysdeps/powerpc/q_*: New files. 2000-03-03 Geoff Keating <geoffk@cygnus.com> * configure.in: Compute sizeof-long-double. * configure: Regenerated. * config.make.in: Make sizeof-long-double available to sub-makes.
Diffstat (limited to 'soft-fp/sysdeps/powerpc/q_sub.c')
-rw-r--r-- | soft-fp/sysdeps/powerpc/q_sub.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/soft-fp/sysdeps/powerpc/q_sub.c b/soft-fp/sysdeps/powerpc/q_sub.c new file mode 100644 index 0000000000..8e1522379f --- /dev/null +++ b/soft-fp/sysdeps/powerpc/q_sub.c @@ -0,0 +1,39 @@ +/* Software floating-point emulation. + c = a - b + Copyright (C) 1997, 1999, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com) and + Jakub Jelinek (jj@ultra.linux.cz). + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If + not, write to the Free Software Foundation, Inc., + 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +#include "soft-fp.h" +#include "quad.h" + +long double _q_sub(const long double a, const long double b) +{ + FP_DECL_EX; + FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(C); + long double c; + + FP_INIT_ROUNDMODE; + FP_UNPACK_Q(A, a); + FP_UNPACK_Q(B, b); + FP_SUB_Q(C, A, B); + FP_PACK_Q(c, C); + FP_HANDLE_EXCEPTIONS; + return c; +} |