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C/C++ Source or Header  |  1991-06-10  |  155 b   |  11 lines
  1. #include "f2c.h"
  2.  
  3. VOID c_log(r, z)
  4. complex *r, *z;
  5. {
  6. double log(), cabs(), atan2();
  7.  
  8. r->i = atan2(z->i, z->r);
  9. r->r = log( cabs(z->r, z->i) );
  10. }
  11.