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40 lines
1.4 KiB
C
40 lines
1.4 KiB
C
/* Wrapper to set errno for acosh.
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Copyright (C) 2017-2018 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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<http://www.gnu.org/licenses/>. */
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/* Only build wrappers from the templates for the types that define the macro
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below. This macro is set in math-type-macros-<type>.h in sysdeps/generic
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for each floating-point type. */
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#if __USE_WRAPPER_TEMPLATE
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# include <errno.h>
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# include <fenv.h>
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# include <math.h>
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# include <math_private.h>
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FLOAT
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M_DECL_FUNC (__acosh) (FLOAT x)
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{
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if (__glibc_unlikely (isless (x, M_LIT (1.0))))
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/* Domain error: acosh(x<1). */
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__set_errno (EDOM);
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return M_SUF (__ieee754_acosh) (x);
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}
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declare_mgen_alias (__acosh, acosh)
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#endif /* __USE_WRAPPER_TEMPLATE. */
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