home *** CD-ROM | disk | FTP | other *** search
/ ftp.mactech.com 2010 / ftp.mactech.com.tar / ftp.mactech.com / util / Mac F2C 1.3.sit / Mac F2C 1.3 / Mac F2C Libraries / libF77 Sources / z_exp.c < prev    next >
C/C++ Source or Header  |  1995-01-28  |  278b  |  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.