BSD 4_1c_2 release

[unix-history] / usr / src / usr.lib / libF77 / z_cos.c

#include "complex"

z_cos(r, z)
dcomplex *r, *z;
{
double sin(), cos(), sinh(), cosh();

r->dreal = cos(z->dreal) * cosh(z->dimag);
r->dimag = - sin(z->dreal) * sinh(z->dimag);
}