c_sin.c

<B>Digital的Unix操作系统VAX 4.2源码</B>

/*
 *	"@(#)c_sin.c	1.1"
 */

#include "complex"

c_sin(r, z)
complex *r, *z;
{
double sin(), cos(), sinh(), cosh();

r->real = sin(z->real) * cosh(z->imag);
r->imag = cos(z->real) * sinh(z->imag);
}