| /* 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__)); |
