1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
/* GCC Quad-Precision Math Library
Copyright (C) 2010-2013 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);
}
|
