POK
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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_ldexp0.c 5.1 93/09/24 */ 00018 /* 00019 * ==================================================== 00020 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. 00021 * 00022 * Developed at SunPro, a Sun Microsystems, Inc. business. 00023 * Permission to use, copy, modify, and distribute this 00024 * software is freely granted, provided that this notice 00025 * is preserved. 00026 * ==================================================== 00027 */ 00028 00029 #ifdef POK_NEEDS_LIBMATH 00030 00031 #include <libm.h> 00032 #include "math_private.h" 00033 #include <errno.h> 00034 00035 double 00036 ldexp(double value, int exp0) 00037 { 00038 if(!finite(value)||value==0.0) return value; 00039 value = scalbn(value,exp0); 00040 /*if(!finite(value)||value==0.0) errno = POK_ERRNO_ERANGE;*/ 00041 return value; 00042 } 00043 00044 #endif