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C/C++ Source or Header  |  1995-02-04  |  270 b   |  20 lines
  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;
  15.  
  16. expx = exp(z->r);
  17. r->r = expx * cos(z->i);
  18. r->i = expx * sin(z->i);
  19. }
  20.