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46 lines
1.8 KiB
C
46 lines
1.8 KiB
C
/* Prototype declarations for math classification macros helpers.
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Copyright (C) 2017-2025 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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/* Classify given number. */
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__MATHDECL_ALIAS (int, __fpclassify,, (_Mdouble_ __value), fpclassify)
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__attribute__ ((__const__));
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/* Test for negative number. */
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__MATHDECL_ALIAS (int, __signbit,, (_Mdouble_ __value), signbit)
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__attribute__ ((__const__));
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/* Return 0 if VALUE is finite or NaN, +1 if it
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is +Infinity, -1 if it is -Infinity. */
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__MATHDECL_ALIAS (int, __isinf,, (_Mdouble_ __value), isinf)
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__attribute__ ((__const__));
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/* Return nonzero if VALUE is finite and not NaN. Used by isfinite macro. */
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__MATHDECL_ALIAS (int, __finite,, (_Mdouble_ __value), finite)
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__attribute__ ((__const__));
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/* Return nonzero if VALUE is not a number. */
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__MATHDECL_ALIAS (int, __isnan,, (_Mdouble_ __value), isnan)
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__attribute__ ((__const__));
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/* Test equality. */
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__MATHDECL_ALIAS (int, __iseqsig,, (_Mdouble_ __x, _Mdouble_ __y), iseqsig);
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/* Test for signaling NaN. */
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__MATHDECL_ALIAS (int, __issignaling,, (_Mdouble_ __value), issignaling)
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__attribute__ ((__const__));
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