Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.math.BigDecimal;

/* 
 * Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *
 */
public class Main {
    /**
     * Returns the <a href="http://mathworld.wolfram.com/Sign.html"> sign</a>
     * for float value <code>x</code>.
     * <p>
     * For a float value x, this method returns +1.0F if x > 0, 0.0F if x =
     * 0.0F, and -1.0F if x < 0. Returns <code>NaN</code> if <code>x</code>
     * is <code>NaN</code>.</p>
     * 
     * @param x the value, a float
     * @return +1.0F, 0.0F, or -1.0F, depending on the sign of x
     */
    public static float sign(final float x) {
        if (Float.isNaN(x)) {
            return Float.NaN;
        }
        return (x == 0.0F) ? 0.0F : (x > 0.0F) ? 1.0F : -1.0F;
    }
}