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

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

Defined functions