diff options
Diffstat (limited to 'ports/sysdeps/hppa/hppa1.1/s_signbit.c')
| -rw-r--r-- | ports/sysdeps/hppa/hppa1.1/s_signbit.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/ports/sysdeps/hppa/hppa1.1/s_signbit.c b/ports/sysdeps/hppa/hppa1.1/s_signbit.c new file mode 100644 index 0000000000..3e298a29df --- /dev/null +++ b/ports/sysdeps/hppa/hppa1.1/s_signbit.c @@ -0,0 +1,34 @@ +/* Return nonzero value if number is negative. + Copyright (C) 1997, 2009 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +#include <math.h> + +#include <math_private.h> + +int +__signbit (double x) +{ + int32_t hx; + + GET_HIGH_WORD (hx, x); + return hx & 0x80000000; +} +#ifdef NO_LONG_DOUBLE +strong_alias (__signbit, __signbitl) +#endif |