Bell 32V development

[unix-history] / usr / src / libF77 / c_cos.c

#include "complex"

c_cos(r, z)
complex *r, *z;
{
double sin(), cos(), sinh(), cosh();

r->real = cos(z->real) * cosh(z->imag);
r->imag = - sin(z->real) * sinh(z->imag);
}