freebsd-skq/contrib/libf2c/libF77/z_cos.c

16 lines
296 B
C
Raw Normal View History

1999-09-18 10:51:31 +00:00
#include "f2c.h"
#ifdef KR_headers
double sin(), cos(), sinh(), cosh();
1999-09-19 05:59:11 +00:00
VOID z_cos(r, z) doublecomplex *r, *z;
1999-09-18 10:51:31 +00:00
#else
#undef abs
1999-09-19 05:59:11 +00:00
#include "math.h"
void z_cos(doublecomplex *r, doublecomplex *z)
1999-09-18 10:51:31 +00:00
#endif
{
1999-09-19 05:59:11 +00:00
double zi = z->i, zr = z->r;
r->r = cos(zr) * cosh(zi);
r->i = - sin(zr) * sinh(zi);
}