Main.java Source code

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//package com.java2s;
/*
 * Copyright (c) 2003, 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.
 */

import sun.misc.FloatConsts;
import sun.misc.DoubleConsts;

public class Main {
    /**
     * Returns <code>true</code> if the argument is a finite
     * floating-point value; returns <code>false</code> otherwise (for
     * NaN and infinity arguments).
     *
     * @param d the <code>double</code> value to be tested
     * @return <code>true</code> if the argument is a finite
     * floating-point value, <code>false</code> otherwise.
     */
    public static boolean isFinite(double d) {
        return Math.abs(d) <= DoubleConsts.MAX_VALUE;
    }

    /**
     * Returns <code>true</code> if the argument is a finite
     * floating-point value; returns <code>false</code> otherwise (for
     * NaN and infinity arguments).
     *
     * @param f the <code>float</code> value to be tested
     * @return <code>true</code> if the argument is a finite
     * floating-point value, <code>false</code> otherwise.
     */
    public static boolean isFinite(float f) {
        return Math.abs(f) <= FloatConsts.MAX_VALUE;
    }
}