gcc/libf2c/libF77/z_cos.c
Jeff Law 81fea2b1d1 * Previous contents of gcc/f/runtime moved into toplevel
"libf2c" directory.

From-SVN: r17568
1998-01-31 18:37:08 -07:00

20 lines
335 B
C

#include "f2c.h"
#ifdef KR_headers
double sin(), cos(), sinh(), cosh();
VOID z_cos(resx, z) doublecomplex *resx, *z;
#else
#undef abs
#include <math.h>
void z_cos(doublecomplex *resx, doublecomplex *z)
#endif
{
doublecomplex res;
res.r = cos(z->r) * cosh(z->i);
res.i = - sin(z->r) * sinh(z->i);
resx->r = res.r;
resx->i = res.i;
}