libf2c/libF77/c_exp.c

   1 #include "f2c.h"
   2
   3 #ifdef KR_headers
   4 extern double exp(), cos(), sin();
   5
   6  VOID c_exp(r, z) complex *r, *z;
   7 #else
   8 #undef abs
   9 #include "math.h"
  10
  11 void c_exp(complex *r, complex *z)
  12 #endif
  13 {
  14         double expx, zi = z->i;
  15
  16         expx = exp(z->r);
  17         r->r = expx * cos(zi);
  18         r->i = expx * sin(zi);
  19         }