freebsd-dev/contrib/libf2c/libF77/z_cos.c
2003-07-11 03:42:19 +00:00

12 lines
195 B
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);
}