1/* ldexpq.c -- __float128 version of s_ldexp.c.
2 * Conversion to long double by Ulrich Drepper,
3 * Cygnus Support, drepper@cygnus.com.
4 */
5
6/*
7 * ====================================================
8 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
9 *
10 * Developed at SunPro, a Sun Microsystems, Inc. business.
11 * Permission to use, copy, modify, and distribute this
12 * software is freely granted, provided that this notice
13 * is preserved.
14 * ====================================================
15 */
16
17#include <errno.h>
18#include "quadmath-imp.h"
19
20__float128
21ldexpq (__float128 value, int exp)
22{
23 if(!finiteq(value)||value==0.0Q) return value;
24 value = scalbnq(value,exp);
25 if(!finiteq(value)||value==0.0Q) errno = ERANGE;
26 return value;
27}
28