From de0521f8bd17dd738cb6035947bccbcc8b655e49 Mon Sep 17 00:00:00 2001 From: bkoz Date: Sat, 7 Oct 2000 01:01:45 +0000 Subject: 2000-10-06 Benjamin Kosnik * src/Makefile.am: Remove OPTIMIZE_CXXFLAGS, WARN_CXXFLAGS, CONFIG_CXXFLAGS from here, and move to... * src/Makefile.in: Regenerate. * Makefile.am: ... here. Clean. (OPTIMIZE_CXXFLAGS): Move up Makefile hierarchy to here. (WARN_CXXFLAGS): Same. (CONFIG_CXXFLAGS): Same. * Makefile.in: Regenerate. * libsupc++/Makefile.am: Use top-level OPTIMIZE_CXXFLAGS, WARN_CXXFLAGS, CONFIG_CXXFLAGS as part of local AM_CXXFLAGS. * libsupc++/Makefile.in: Regenerate. Change math to libmath. * math: Move to libmath, delete. * libmath: New directory. * libmath/*: Populate. * src/Makefile.am (LIBMATH_INCLUDES): Change to libmath. (libstdc___la_LIBADD): Same. * src/Makefile.in: Regenerate. * configure.in: Add AC_OUTPUT for libmath/Makefile. * configure: Regenerate. * Makefile.am (SUBDIRS): Add libmath. * Makefile.in: Regenerate. * README (file): Change name. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@36766 138bc75d-0d04-0410-961f-82ee72b054a4 --- libstdc++-v3/libmath/signbitf.c | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 libstdc++-v3/libmath/signbitf.c (limited to 'libstdc++-v3/libmath/signbitf.c') diff --git a/libstdc++-v3/libmath/signbitf.c b/libstdc++-v3/libmath/signbitf.c new file mode 100644 index 00000000000..5e2eee133a4 --- /dev/null +++ b/libstdc++-v3/libmath/signbitf.c @@ -0,0 +1,41 @@ +/* Return nonzero value if number is negative. */ + +/* Copyright (C) 1997-1999 Free Software Foundation, Inc. + + This file is part of the GNU ISO C++ Library. This library 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, or (at your option) + any later version. + + This 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 General Public License for more details. + + You should have received a copy of the GNU General Public License along + with this library; see the file COPYING. If not, write to the Free + Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, + USA. + + As a special exception, you may use this file as part of a free software + library without restriction. Specifically, if other files instantiate + templates or use macros or inline functions from this file, or you compile + this file and link it with other files to produce an executable, this + file does not by itself cause the resulting executable to be covered by + the GNU General Public License. This exception does not however + invalidate any other reasons why the executable file might be covered by + the GNU General Public License. */ + + +#include +#include "mathconf.h" + +int +__signbitf (float x) +{ + Int32_t hx; + + GET_FLOAT_WORD (hx, x); + return hx & 0x80000000; +} -- cgit v1.2.1