|
Java example source code file (w_pow.c)
The w_pow.c Java example source code/* * Copyright (c) 1998, 2001, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * wrapper pow(x,y) return x**y */ #include "fdlibm.h" #ifdef __STDC__ double pow(double x, double y) /* wrapper pow */ #else double pow(x,y) /* wrapper pow */ double x,y; #endif { #ifdef _IEEE_LIBM return __ieee754_pow(x,y); #else double z; z=__ieee754_pow(x,y); if(_LIB_VERSION == _IEEE_|| isnan(y)) return z; if(isnan(x)) { if(y==0.0) return __kernel_standard(x,y,42); /* pow(NaN,0.0) */ else return z; } if(x==0.0){ if(y==0.0) return __kernel_standard(x,y,20); /* pow(0.0,0.0) */ if(finite(y)&&y<0.0) return __kernel_standard(x,y,23); /* pow(0.0,negative) */ return z; } if(!finite(z)) { if(finite(x)&&finite(y)) { if(isnan(z)) return __kernel_standard(x,y,24); /* pow neg**non-int */ else return __kernel_standard(x,y,21); /* pow overflow */ } } if(z==0.0&&finite(x)&&finite(y)) return __kernel_standard(x,y,22); /* pow underflow */ return z; #endif } Other Java examples (source code examples)Here is a short list of links related to this Java w_pow.c source code file: |
... this post is sponsored by my books ... | |
#1 New Release! |
FP Best Seller |
Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.
A percentage of advertising revenue from
pages under the /java/jwarehouse
URI on this website is
paid back to open source projects.