projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| 4239f144 | 1 | /* @(#)s_ldexp.c 5.1 93/09/24 */ |
| 1ec601bf FXC |
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 | ||
| 4239f144 JM |
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 | ||
| 1ec601bf FXC |
17 | #include "quadmath-imp.h" |
| 18 | ||
| 19 | __float128 | |
| 20 | ldexpq (__float128 value, int exp) | |
| 21 | { | |
| 4239f144 JM |
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; | |
| 1ec601bf | 26 | } |
| 4239f144 JM |
27 | |
| 28 | ||
| 29 | ||
| 30 | ||
| 31 | ||
| 32 | /* Note, versioning issues are punted to ldbl-opt in this case. */ |