1 /* @(#)s_ldexp.c 5.1 93/09/24 */ 2 /* 3 * ==================================================== 4 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. 5 * 6 * Developed at SunPro, a Sun Microsystems, Inc. business. 7 * Permission to use, copy, modify, and distribute this 8 * software is freely granted, provided that this notice 9 * is preserved. 10 * ==================================================== 11 */ 12 13 #if defined(LIBM_SCCS) && !defined(lint) 14 static char rcsid[] = "NetBSD: s_ldexp.c,v 1.6 1995/05/10 20:47:40 jtc Exp "; 15 #endif 16 17 #include "quadmath-imp.h" 18 19 __float128 20 ldexpq (__float128 value, int exp) 21 { 22 if(!finiteq(value)||value==0) return value + value; 23 value = scalbnq(value,exp); 24 if(!finiteq(value)||value==0) errno = ERANGE; 25 return value; 26 } 27 28 29 30 31 32 /* Note, versioning issues are punted to ldbl-opt in this case. */ 33