1 /* 2 * Copyright (c) 1980 Regents of the University of California. 3 * All rights reserved. The Berkeley software License Agreement 4 * specifies the terms and conditions for redistribution. 5 * 6 * @(#)z_sin.c 5.1 06/07/85 7 */ 8 9 #include "complex" 10 11 z_sin(r, z) 12 dcomplex *r, *z; 13 { 14 double sin(), cos(), sinh(), cosh(); 15 16 r->dreal = sin(z->dreal) * cosh(z->dimag); 17 r->dimag = cos(z->dreal) * sinh(z->dimag); 18 } 19