/* @(#)s_ldexp.c 1.3 95/01/18 */ /* * ==================================================== * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. * * Developed at SunSoft, a Sun Microsystems, Inc. business. * Permission to use, copy, modify, and distribute this * software is freely granted, provided that this notice * is preserved. * ==================================================== */ #include "math.h" #include double ldexp(double value, int exp) { if(!finite(value) || value == 0.0) return value; value = scalbn(value, exp); if(!finite(value) || value == 0.0) errno = ERANGE; return value; }