UNIX 7th Ed. - /usr/src/libF77/z_cos.c

   1: #include "complex"
   2: 
   3: z_cos(r, z)
   4: dcomplex *r, *z;
   5: {
   6: double sin(), cos(), sinh(), cosh();
   7: 
   8: r->dreal = cos(z->dreal) * cosh(z->dimag);
   9: r->dimag = - sin(z->dreal) * sinh(z->dimag);
  10: }

Defined functions