/* * Copyright (c) 1980 Regents of the University of California. * All rights reserved. The Berkeley software License Agreement * specifies the terms and conditions for redistribution. * * @(#)z_sin.c 5.1 6/7/85 */ #include "complex" z_sin(r, z) dcomplex *r, *z; { double sin(), cos(), sinh(), cosh(); r->dreal = sin(z->dreal) * cosh(z->dimag); r->dimag = cos(z->dreal) * sinh(z->dimag); }