Return true if both vectors are equal w/o regarding an epsilon. - Java java.lang

Java examples for java.lang:Math Vector

Description

Return true if both vectors are equal w/o regarding an epsilon.

Demo Code

/**//ww w  .jav  a  2 s. c o m
 * Copyright 2010 JogAmp Community. All rights reserved.
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 *       provided with the distribution.
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 * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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 */
import java.util.ArrayList;

public class Main{
    /**
     * Return true if both vectors are equal w/o regarding an epsilon.
     * <p>
     * Implementation uses {@link FloatUtil#isEqual(float, float)}, see API doc for details.
     * </p>
     */
    public static boolean isVec2Equal(final float[] vec1,
            final int vec1Offset, final float[] vec2, final int vec2Offset) {
        return FloatUtil
                .isEqual(vec1[0 + vec1Offset], vec2[0 + vec2Offset])
                && FloatUtil.isEqual(vec1[1 + vec1Offset],
                        vec2[1 + vec2Offset]);
    }
    /**
     * Return true if both vectors are equal, i.e. their absolute delta < <code>epsilon</code>.
     * <p>
     * Implementation uses {@link FloatUtil#isEqual(float, float, float)}, see API doc for details.
     * </p>
     */
    public static boolean isVec2Equal(final float[] vec1,
            final int vec1Offset, final float[] vec2, final int vec2Offset,
            final float epsilon) {
        return FloatUtil.isEqual(vec1[0 + vec1Offset],
                vec2[0 + vec2Offset], epsilon)
                && FloatUtil.isEqual(vec1[1 + vec1Offset],
                        vec2[1 + vec2Offset], epsilon);
    }
}

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