diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm/s_signbitl.c')
| -rw-r--r-- | sysdeps/ieee754/ldbl-128ibm/s_signbitl.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_signbitl.c b/sysdeps/ieee754/ldbl-128ibm/s_signbitl.c new file mode 100644 index 0000000000..b4285461b2 --- /dev/null +++ b/sysdeps/ieee754/ldbl-128ibm/s_signbitl.c @@ -0,0 +1,37 @@ +/* Return nonzero value if number is negative. + Copyright (C) 1997,1999,2004,2006 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <math.h> +#include "math_private.h" +#include <math_ldbl_opt.h> + +int +___signbitl (long double x) +{ + int64_t e; + + GET_LDOUBLE_MSW64 (e, x); + return e < 0; +} +#ifdef IS_IN_libm +long_double_symbol (libm, ___signbitl, __signbitl); +#else +long_double_symbol (libc, ___signbitl, __signbitl); +#endif |