44 lines
1.7 KiB
C
44 lines
1.7 KiB
C
|
/* Prototype declarations for math classification macros helpers.
|
||
|
|
Copyright (C) 2017-2019 Free Software Foundation, Inc.
|
||
|
|
This file is part of the GNU C Library.
|
||
|
|
|
||
|
|
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/>. */
|
||
|
|
|
||
|
|
|
||
|
|
/* Classify given number. */
|
||
|
|
__MATHDECL_1 (int, __fpclassify,, (_Mdouble_ __value))
|
||
|
|
__attribute__ ((__const__));
|
||
|
|
|
||
|
|
/* Test for negative number. */
|
||
|
|
__MATHDECL_1 (int, __signbit,, (_Mdouble_ __value))
|
||
|
|
__attribute__ ((__const__));
|
||
|
|
|
||
|
|
/* Return 0 if VALUE is finite or NaN, +1 if it
|
||
|
|
is +Infinity, -1 if it is -Infinity. */
|
||
|
|
__MATHDECL_1 (int, __isinf,, (_Mdouble_ __value)) __attribute__ ((__const__));
|
||
|
|
|
||
|
|
/* Return nonzero if VALUE is finite and not NaN. Used by isfinite macro. */
|
||
|
|
__MATHDECL_1 (int, __finite,, (_Mdouble_ __value)) __attribute__ ((__const__));
|
||
|
|
|
||
|
|
/* Return nonzero if VALUE is not a number. */
|
||
|
|
__MATHDECL_1 (int, __isnan,, (_Mdouble_ __value)) __attribute__ ((__const__));
|
||
|
|
|
||
|
|
/* Test equality. */
|
||
|
|
__MATHDECL_1 (int, __iseqsig,, (_Mdouble_ __x, _Mdouble_ __y));
|
||
|
|
|
||
|
|
/* Test for signaling NaN. */
|
||
|
|
__MATHDECL_1 (int, __issignaling,, (_Mdouble_ __value))
|
||
|
|
__attribute__ ((__const__));
|