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C/C++ Source or Header  |  2000-01-15  |  295b  |  18 lines
  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;
  13.  
  14. expx = exp(z->r);
  15. r->r = expx * cos(z->i);
  16. r->i = expx * sin(z->i);
  17. }
  18.