コード例 #1
0
  @Test
  public void cross_2d_3d() {
    Vector2D_F64 aa = new Vector2D_F64(0.75, 2);
    Vector3D_F64 a = new Vector3D_F64(0.75, 2, 1);
    Vector3D_F64 b = new Vector3D_F64(3, 0.1, 4);
    Vector3D_F64 expected = new Vector3D_F64();
    Vector3D_F64 found = new Vector3D_F64();

    GeometryMath_F64.cross(a, b, expected);
    GeometryMath_F64.cross(aa, b, found);

    assertEquals(expected.x, found.x, GrlConstants.DOUBLE_TEST_TOL);
    assertEquals(expected.y, found.y, GrlConstants.DOUBLE_TEST_TOL);
    assertEquals(expected.z, found.z, GrlConstants.DOUBLE_TEST_TOL);
  }
コード例 #2
0
  @Test
  public void cross_3d_3d() {
    Vector3D_F64 a = new Vector3D_F64(1, 0, 0);
    Vector3D_F64 b = new Vector3D_F64(0, 1, 0);
    Vector3D_F64 c = new Vector3D_F64();

    GeometryMath_F64.cross(a, b, c);

    assertEquals(0, c.x, GrlConstants.DOUBLE_TEST_TOL);
    assertEquals(0, c.y, GrlConstants.DOUBLE_TEST_TOL);
    assertEquals(1, c.z, GrlConstants.DOUBLE_TEST_TOL);

    GeometryMath_F64.cross(b, a, c);

    assertEquals(0, c.x, GrlConstants.DOUBLE_TEST_TOL);
    assertEquals(0, c.y, GrlConstants.DOUBLE_TEST_TOL);
    assertEquals(-1, c.z, GrlConstants.DOUBLE_TEST_TOL);
  }
コード例 #3
0
  /** Sees if crossMatrix produces a valid output */
  @Test
  public void crossMatrix_validOut() {
    double a = 1.1, b = -0.5, c = 2.2;

    Vector3D_F64 v = new Vector3D_F64(a, b, c);

    Vector3D_F64 x = new Vector3D_F64(7.6, 2.9, 0.5);

    Vector3D_F64 found0 = new Vector3D_F64();
    Vector3D_F64 found1 = new Vector3D_F64();

    GeometryMath_F64.cross(v, x, found0);
    DenseMatrix64F V = GeometryMath_F64.crossMatrix(a, b, c, null);

    GeometryMath_F64.mult(V, x, found1);

    assertEquals(found0.x, found1.x, GrlConstants.DOUBLE_TEST_TOL);
    assertEquals(found0.y, found1.y, GrlConstants.DOUBLE_TEST_TOL);
    assertEquals(found0.z, found1.z, GrlConstants.DOUBLE_TEST_TOL);
  }