contrib/libf2c/libF77/z_exp.c

   1 #include "f2c.h"
   2
   3 #ifdef KR_headers
   4 double exp(), cos(), sin();
   5 VOID z_exp(r, z) doublecomplex *r, *z;
   6 #else
   7 #undef abs
   8 #include "math.h"
   9 void z_exp(doublecomplex *r, doublecomplex *z)
  10 #endif
  11 {
  12         double expx, zi = z->i;
  13
  14         expx = exp(z->r);
  15         r->r = expx * cos(zi);
  16         r->i = expx * sin(zi);
  17         }