libf2c/libF77/c_cos.c

   1 #include "f2c.h"
   2
   3 #undef abs
   4 #include "math.h"
   5
   6 void
   7 c_cos (complex * r, complex * z)
   8 {
   9   double zi = z->i, zr = z->r;
  10   r->r = cos (zr) * cosh (zi);
  11   r->i = -sin (zr) * sinh (zi);
  12 }