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73 lines
1.7 KiB
C
73 lines
1.7 KiB
C
/* GCC Quad-Precision Math Library
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Copyright (C) 2010, 2011 Free Software Foundation, Inc.
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Written by Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
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This file is part of the libquadmath library.
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Libquadmath is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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Libquadmath 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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with libquadmath; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
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Boston, MA 02110-1301, USA. */
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#include "quadmath-imp.h"
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#ifdef HAVE_FENV_H
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# include <fenv.h>
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#endif
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#define REALPART(z) (__real__(z))
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#define IMAGPART(z) (__imag__(z))
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#define COMPLEX_ASSIGN(z_, r_, i_) {__real__(z_) = (r_); __imag__(z_) = (i_);}
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__float128
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cabsq (__complex128 z)
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{
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return hypotq (REALPART (z), IMAGPART (z));
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}
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__complex128
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cexpiq (__float128 x)
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{
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__float128 sinix, cosix;
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__complex128 v;
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sincosq (x, &sinix, &cosix);
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COMPLEX_ASSIGN (v, cosix, sinix);
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return v;
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}
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__float128
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cargq (__complex128 z)
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{
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return atan2q (IMAGPART (z), REALPART (z));
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}
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__complex128
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cpowq (__complex128 base, __complex128 power)
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{
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return cexpq (power * clogq (base));
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}
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__complex128
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ccosq (__complex128 x)
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{
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__complex128 y;
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COMPLEX_ASSIGN (y, -IMAGPART (x), REALPART (x));
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return ccoshq (y);
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}
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