/* * Copyright (c) 1980 Regents of the University of California. * All rights reserved. The Berkeley software License Agreement * specifies the terms and conditions for redistribution. * * @(#)c_sin.c 5.1 6/7/85 */ #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); }