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C/C++ Source or Header  |  1991-06-10  |  173 b   |  11 lines
  1. #include "f2c.h"
  2.  
  3. VOID z_cos(r, z)
  4. doublecomplex *r, *z;
  5. {
  6. double sin(), cos(), sinh(), cosh();
  7.  
  8. r->r = cos(z->r) * cosh(z->i);
  9. r->i = - sin(z->r) * sinh(z->i);
  10. }
  11.