mirror of
https://github.com/autc04/Retro68.git
synced 2024-12-02 18:53:22 +00:00
73 lines
1.7 KiB
C
73 lines
1.7 KiB
C
/* GCC Quad-Precision Math Library
|
|
Copyright (C) 2010, 2011 Free Software Foundation, Inc.
|
|
Written by Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
|
|
|
|
This file is part of the libquadmath library.
|
|
Libquadmath is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2 of the License, or (at your option) any later version.
|
|
|
|
Libquadmath is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with libquadmath; see the file COPYING.LIB. If
|
|
not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
|
|
Boston, MA 02110-1301, USA. */
|
|
|
|
#include "quadmath-imp.h"
|
|
|
|
#ifdef HAVE_FENV_H
|
|
# include <fenv.h>
|
|
#endif
|
|
|
|
|
|
#define REALPART(z) (__real__(z))
|
|
#define IMAGPART(z) (__imag__(z))
|
|
#define COMPLEX_ASSIGN(z_, r_, i_) {__real__(z_) = (r_); __imag__(z_) = (i_);}
|
|
|
|
|
|
__float128
|
|
cabsq (__complex128 z)
|
|
{
|
|
return hypotq (REALPART (z), IMAGPART (z));
|
|
}
|
|
|
|
|
|
__complex128
|
|
cexpiq (__float128 x)
|
|
{
|
|
__float128 sinix, cosix;
|
|
__complex128 v;
|
|
sincosq (x, &sinix, &cosix);
|
|
COMPLEX_ASSIGN (v, cosix, sinix);
|
|
return v;
|
|
}
|
|
|
|
|
|
__float128
|
|
cargq (__complex128 z)
|
|
{
|
|
return atan2q (IMAGPART (z), REALPART (z));
|
|
}
|
|
|
|
|
|
__complex128
|
|
cpowq (__complex128 base, __complex128 power)
|
|
{
|
|
return cexpq (power * clogq (base));
|
|
}
|
|
|
|
|
|
__complex128
|
|
ccosq (__complex128 x)
|
|
{
|
|
__complex128 y;
|
|
|
|
COMPLEX_ASSIGN (y, -IMAGPART (x), REALPART (x));
|
|
return ccoshq (y);
|
|
}
|