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40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
/* Return maximum numeric value of X and Y.
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Copyright (C) 1997-2021 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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#include <math.h>
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#include <math-use-builtins.h>
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FLOAT
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M_DECL_FUNC (__fmax) (FLOAT x, FLOAT y)
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{
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#if M_USE_BUILTIN (FMAX)
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return M_SUF (__builtin_fmax) (x, y);
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#else
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if (isgreaterequal (x, y))
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return x;
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else if (isless (x, y))
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return y;
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else if (issignaling (x) || issignaling (y))
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return x + y;
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else
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return isnan (y) ? x : y;
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#endif
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}
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declare_mgen_alias (__fmax, fmax);
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