| /* | |
| clog.c | |
| Contributed by Danny Smith | |
| 2003-10-20 | |
| */ | |
| /* clog (x + I * y) = log (hypot (x, y)) + I * atan2 (y, x) */ | |
| #include <math.h> | |
| #include <complex.h> | |
| double complex clog (double complex Z) | |
| { | |
| double complex Res; | |
| __real__ Res = log (_hypot (__real__ Z, __imag__ Z)); | |
| __imag__ Res = carg (Z); | |
| return Res; | |
| } | |