gcc/libf2c/libF77/z_cos.c

#include "f2c.h"

#undef abs
#include "math.h"
void z_cos(doublecomplex *r, doublecomplex *z)
{
	double zi = z->i, zr = z->r;
	r->r =   cos(zr) * cosh(zi);
	r->i = - sin(zr) * sinh(zi);
	}