/*- * Copyright (c) 1980 The Regents of the University of California. * All rights reserved. * * %sccs.include.proprietary.c% */ #ifndef lint static char sccsid[] = "@(#)z_exp.c 5.2 (Berkeley) 04/12/91"; #endif /* not lint */ #include "complex" z_exp(r, z) dcomplex *r, *z; { double expx; double exp(), cos(), sin(); expx = exp(z->dreal); r->dreal = expx * cos(z->dimag); r->dimag = expx * sin(z->dimag); }