POK
|
00001 /* 00002 * POK header 00003 * 00004 * The following file is a part of the POK project. Any modification should 00005 * made according to the POK licence. You CANNOT use this file or a part of 00006 * this file is this part of a file for your own project 00007 * 00008 * For more information on the POK licence, please see our LICENCE FILE 00009 * 00010 * Please follow the coding guidelines described in doc/CODING_GUIDELINES 00011 * 00012 * Copyright (c) 2007-2009 POK team 00013 * 00014 * Created by julien on Fri Jan 30 14:41:34 2009 00015 */ 00016 00017 /* s_ldexp0f.c -- float version of s_ldexp0.c. 00018 * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. 00019 */ 00020 00021 /* 00022 * ==================================================== 00023 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. 00024 * 00025 * Developed at SunPro, a Sun Microsystems, Inc. business. 00026 * Permission to use, copy, modify, and distribute this 00027 * software is freely granted, provided that this notice 00028 * is preserved. 00029 * ==================================================== 00030 */ 00031 00032 #ifdef POK_NEEDS_LIBMATH 00033 00034 #include <libm.h> 00035 #include "math_private.h" 00036 #include <errno.h> 00037 00038 float 00039 ldexpf(float value, int exp0) 00040 { 00041 if(!finitef(value)||value==(float)0.0) return value; 00042 value = scalbnf(value,exp0); 00043 /* if(!finitef(value)||value==(float)0.0) errno = POK_ERRNO_ERANGE; 00044 */ 00045 return value; 00046 } 00047 00048 #endif