/* @(#)s_ldexp.c 5.1 93/09/24 */ /* * ==================================================== * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. * * Developed at SunPro, a Sun Microsystems, Inc. business. * Permission to use, copy, modify, and distribute this * software is freely granted, provided that this notice * is preserved. * ==================================================== */ #if defined(LIBM_SCCS) && !defined(lint) static char rcsid[] = "$NetBSD: s_ldexp.c,v 1.6 1995/05/10 20:47:40 jtc Exp $"; #endif #include #include #include FLOAT M_SUF (__ldexp) (FLOAT value, int exp) { if(!isfinite(value)||value==0) return value + value; value = M_SCALBN(value,exp); if(!isfinite(value)||value==0) __set_errno (ERANGE); return value; } declare_mgen_alias (__ldexp, ldexp) strong_alias (M_SUF (__ldexp), M_SUF (__wrap_scalbn)) declare_mgen_alias (__wrap_scalbn, scalbn) /* Note, versioning issues are punted to ldbl-opt in this case. */