ReactOS
0.4.16-dev-226-g79f2289
acos.c
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/* Math functions for i387.
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Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by John C. Bowman <bowman@ipp-garching.mpg.de>, 1995.
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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, write to the Free
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Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include <math.h>
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#ifdef _MSC_VER
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#pragma function(acos)
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#endif
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double
acos
(
double
__x)
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{
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return
atan2
(
sqrt
(1.0 - __x * __x), __x);
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}
sqrt
_STLP_DECLSPEC complex< float > _STLP_CALL sqrt(const complex< float > &)
Definition:
complex.cpp:188
atan2
valarray< _Tp > atan2(const valarray< _Tp > &__x, const valarray< _Tp > &__y)
Definition:
_valarray.h:928
acos
double acos(double __x)
Definition:
acos.c:28
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math
acos.c
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