Java Array Cross Product cross3(double x1, double y1, double z1, double x2, double y2, double z2)

Description

cross

License

Open Source License

Declaration

public static double[] cross3(double x1, double y1, double z1, double x2, double y2, double z2) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

public class Main {
    public static double[] cross3(double x1, double y1, double z1, double x2, double y2, double z2) {
        double[] v = new double[3];
        v[0] = y1 * z2 - z1 * y2;/*from ww w  .j  a  v  a2s .  c o  m*/
        v[1] = z1 * x2 - x1 * z2;
        v[2] = x1 * y2 - y1 * x2;
        return v;
    }

    public static double[] cross3(double[] v1, double[] v2) {
        if (v1 == null)
            throw new NullPointerException("vec 1");
        if (v2 == null)
            throw new NullPointerException("vec 2");
        if (v1.length != 3)
            throw new IllegalArgumentException("vec 1");
        if (v2.length != 3)
            throw new IllegalArgumentException("vec 2");
        double[] v = new double[3];
        v[0] = v1[1] * v2[2] - v1[2] * v2[1];
        v[1] = v1[2] * v2[0] - v1[0] * v2[2];
        v[2] = v1[0] * v2[1] - v1[1] * v2[0];
        return v;
    }
}

Related

1. cross(float[] v1, float[] v2, float[] out)
2. cross(float[] vec1, float[] vec2)
3. cross(int x1, int y1, int x2, int y2)
4. cross2D(final float[] v1, final float[] v2)
5. cross2D(int[] v, int[] u)
6. cross33(float u[], float v[])
7. crossEndForLineVectorAlgebra(double x1, double y1, double x2, double y2, double margin, double width)
8. crossMuliply(double a, double b, double c)
9. crossMult(int value, int maximum, int coefficient)