Java floor floorMod(long x, long y)

Description

floor Mod

License

Open Source License

Declaration

public static long floorMod(long x, long y) 

Method Source Code

//package com.java2s;
/*//from  w w w.j av  a2 s.  c  o  m
 * 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.
 */

public class Main {
    public static long floorMod(long x, long y) {
        return x - floorDiv(x, y) * y;
    }

    public static long floorDiv(long x, long y) {
        long r = x / y;
        // if the signs are different and modulo not zero, round down
        if ((x ^ y) < 0 && (r * y != x)) {
            r--;
        }
        return r;
    }
}

Related

1. floorInt(Double d, double intv)
2. floorInt(float x)
3. floorLogBaseTwo(final int i)
4. floorLong(final double x)
5. floormod(float a, float b)
6. floorMod(long x, long y)
7. floorModExt(int dividend, int divisor)
8. floorModulo(int value, int divisor)
9. floorPlaneAndHorizToPlanView(final int[][] frameCells, final short frame[], final int h)