| #include "f2c.h" | |
| #ifdef KR_headers | |
| double exp(), cos(), sin(); | |
| VOID z_exp(r, z) doublecomplex *r, *z; | |
| #else | |
| #undef abs | |
| #include "math.h" | |
| void z_exp(doublecomplex *r, doublecomplex *z) | |
| #endif | |
| { | |
| double expx, zi = z->i; | |
| expx = exp(z->r); | |
| r->r = expx * cos(zi); | |
| r->i = expx * sin(zi); | |
| } |