| 0,0 → 1,36 |
|---|
| /* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */ |
| /* s_ldexpf.c -- float version of s_ldexp.c. |
| * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. |
| */ |
| |
| /* |
| * ==================================================== |
| * 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[] = "$Id: s_ldexpf.c,v 1.1 1994/08/10 20:32:39 jtc Exp $"; |
| #endif |
| |
| #include "math.h" |
| #include "math_private.h" |
| #include <errno.h> |
| |
| #ifdef __STDC__ |
| float ldexpf(float value, int exp) |
| #else |
| float ldexpf(value, exp) |
| float value; int exp; |
| #endif |
| { |
| if(!finitef(value)||value==(float)0.0) return value; |
| value = scalbnf(value,exp); |
| if(!finitef(value)||value==(float)0.0) errno = ERANGE; |
| return value; |
| } |