Normalize the input radians in the range 360 > x >= 0 . - Android java.lang

Android examples for java.lang:Math Trigonometric Function

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Description

Normalize the input radians in the range 360 > x >= 0 .

Demo Code

/**/*from  w  w w  .  j ava 2s .  co  m*/
 * ArcUtils.java
 *
 * Copyright (c) 2014 BioWink GmbH.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software. 
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 **/
//package com.java2s;

import static java.lang.Math.toRadians;

public class Main {
    private static final double FULL_CIRCLE_RADIANS = toRadians(360d);

    /**
     * Normalize the input radians in the range 360? > x >= 0?.
     *
     * @param radians The angle to normalize (in radians).
     *
     * @return The angle normalized in the range 360? > x >= 0?.
     */
    public static double normalizeRadians(double radians) {
        radians %= FULL_CIRCLE_RADIANS;
        if (radians < 0d) {
            radians += FULL_CIRCLE_RADIANS;
        }
        if (radians == FULL_CIRCLE_RADIANS) {
            radians = 0d;
        }
        return radians;
    }
}

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