1b07e1d9fd8d9e4e03698e0bd9bf77154c5390326The Android Open Source Project 2b07e1d9fd8d9e4e03698e0bd9bf77154c5390326The Android Open Source Project/* @(#)s_ldexp.c 1.3 95/01/18 */ 3b07e1d9fd8d9e4e03698e0bd9bf77154c5390326The Android Open Source Project/* 4b07e1d9fd8d9e4e03698e0bd9bf77154c5390326The Android Open Source Project * ==================================================== 5b07e1d9fd8d9e4e03698e0bd9bf77154c5390326The Android Open Source Project * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. 6b07e1d9fd8d9e4e03698e0bd9bf77154c5390326The Android Open Source Project * 7b07e1d9fd8d9e4e03698e0bd9bf77154c5390326The Android Open Source Project * Developed at SunSoft, a Sun Microsystems, Inc. business. 8b07e1d9fd8d9e4e03698e0bd9bf77154c5390326The Android Open Source Project * Permission to use, copy, modify, and distribute this 9b07e1d9fd8d9e4e03698e0bd9bf77154c5390326The Android Open Source Project * software is freely granted, provided that this notice 10b07e1d9fd8d9e4e03698e0bd9bf77154c5390326The Android Open Source Project * is preserved. 11b07e1d9fd8d9e4e03698e0bd9bf77154c5390326The Android Open Source Project * ==================================================== 12b07e1d9fd8d9e4e03698e0bd9bf77154c5390326The Android Open Source Project */ 13b07e1d9fd8d9e4e03698e0bd9bf77154c5390326The Android Open Source Project 14b07e1d9fd8d9e4e03698e0bd9bf77154c5390326The Android Open Source Project#include "fdlibm.h" 15b07e1d9fd8d9e4e03698e0bd9bf77154c5390326The Android Open Source Project#include <errno.h> 16b07e1d9fd8d9e4e03698e0bd9bf77154c5390326The Android Open Source Project 17b07e1d9fd8d9e4e03698e0bd9bf77154c5390326The Android Open Source Project#ifdef __STDC__ 18b07e1d9fd8d9e4e03698e0bd9bf77154c5390326The Android Open Source Project double ieee_ldexp(double value, int exp) 19b07e1d9fd8d9e4e03698e0bd9bf77154c5390326The Android Open Source Project#else 20b07e1d9fd8d9e4e03698e0bd9bf77154c5390326The Android Open Source Project double ieee_ldexp(value, exp) 21b07e1d9fd8d9e4e03698e0bd9bf77154c5390326The Android Open Source Project double value; int exp; 22b07e1d9fd8d9e4e03698e0bd9bf77154c5390326The Android Open Source Project#endif 23b07e1d9fd8d9e4e03698e0bd9bf77154c5390326The Android Open Source Project{ 24b07e1d9fd8d9e4e03698e0bd9bf77154c5390326The Android Open Source Project if(!ieee_finite(value)||value==0.0) return value; 25b07e1d9fd8d9e4e03698e0bd9bf77154c5390326The Android Open Source Project value = ieee_scalbn(value,exp); 26b07e1d9fd8d9e4e03698e0bd9bf77154c5390326The Android Open Source Project if(!ieee_finite(value)||value==0.0) errno = ERANGE; 27b07e1d9fd8d9e4e03698e0bd9bf77154c5390326The Android Open Source Project return value; 28b07e1d9fd8d9e4e03698e0bd9bf77154c5390326The Android Open Source Project} 29