blob: 411afb3c54c49013727c7da29ec1222504863dd9 (
plain)
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
|
/*
cacoshf.c
Contributed by Danny Smith
2004-12-24
*/
#include <math.h>
#include <complex.h>
#if 0
/* cacoshf (z) = I * cacos (z) */
float complex cacosh (float complex Z)
{
float complex Tmp;
float complex Res;
Tmp = cacosf (Z);
__real__ Res = -__imag__ Tmp;
__imag__ Res = __real__ Tmp;
return Res;
}
#else
/* cacosh (z) = I * cacos (z) = I * (pi/2 - casin (z)) */
float complex cacoshf (float complex Z)
{
float complex Tmp;
float complex Res;
Tmp = casinf (Z);
__real__ Res = __imag__ Tmp;
__imag__ Res = M_PI_2 - __real__ Tmp;
return Res;
}
#endif
|
