2b372d7f27a89b31208fc8c7db673a8d45b33747TrippYUI.add('matrix-test', function (Y) {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Trippvar Assert = Y.Assert,

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp Matrix = Y.Matrix,

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp Round = function(val)

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp return Math.round(val * 1000)/1000;

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp suite = new Y.Test.Suite('Y.Matrix');

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Trippsuite.add(new Y.Test.Case({

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp name: 'MatrixUtil tests',

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp testGet3x3Determinant: function() {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp var matrix = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [3, 2, 0],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [0, 1, -2],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, -3, -1]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp determinant = -25;

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp Y.Assert.areEqual(Y.MatrixUtil.getDeterminant(matrix), determinant, "The determinant should be: " + determinant + ".");

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp matrix = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [-3, 2, 1],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [2, 4, 0],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [0, -7, 3]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ];

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp determinant = -62;

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp Y.Assert.areEqual(Y.MatrixUtil.getDeterminant(matrix), determinant, "The determinant should be: " + determinant + ".");

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp matrix = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, 0, 2],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, 2, 1],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [2, 4, 0]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ];

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp determinant = -4;

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp Y.Assert.areEqual(Y.MatrixUtil.getDeterminant(matrix), determinant, "The determinant should be: " + determinant + ".");

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp matrix = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [-3, -7, -3],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [-1, 0, -1],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [0, 0, -6]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ];

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp determinant = 42;

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp Y.Assert.areEqual(Y.MatrixUtil.getDeterminant(matrix), determinant, "The determinant should be: " + determinant + ".");

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp },

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp testGet4x4Determinant: function() {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp var matrix = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [2, 3, 1, 9],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, 2, 0, 0],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [0, 2, 4, 2],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, 2, 4, 0]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp determinant = -80;

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp Y.Assert.areEqual(Y.MatrixUtil.getDeterminant(matrix), determinant, "The determinant should be: " + determinant + ".");

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp matrix = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [-3, -5, 3, 4],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, 2, 3, 2],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [0, 1, -12, 1],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [11, 3, 0, 3]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ];

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp determinant = 2349;

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp Y.Assert.areEqual(Y.MatrixUtil.getDeterminant(matrix), determinant, "The determinant should be: " + determinant + ".");

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp matrix = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, -4, .5, -7],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, 0, 3, 1],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [3, 3, 3, 1],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, 6, 3, 9]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ];

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp determinant = 6;

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp Y.Assert.areEqual(Y.MatrixUtil.getDeterminant(matrix), determinant, "The determinant should be: " + determinant + ".");

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp matrix = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [14, 3, 11, -4],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [-5, 9, 0, 3],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [.2, 2, 0, 9],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, 4, 6, 2]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ];

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp determinant = -4832.2;

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp Y.Assert.areEqual(Y.MatrixUtil.getDeterminant(matrix), determinant, "The determinant should be: " + determinant + ".");

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp },

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp testGet3x3Inverse: function()

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp var matrix = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [3, 2, 0],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [0, 1, -2],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, -3, -1]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp inverse = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [0.28, -0.08, 0.16],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [0.08, 0.12, -0.24],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [0.04, -0.44, -0.12]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp result = Y.MatrixUtil.inverse(matrix),

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp i,

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp j,

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp len = matrix.length;

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp for(i = 0; i < len; ++i)

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp for(j = 0; j < len; ++j)

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp Y.Assert.areEqual(Round(inverse[i][j]), Round(result[i][j]), "The result of inverse" + (j + 1) + "," + (i +1) + " should be " + inverse[i][j] + ", not " + result[i][j]);

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp matrix = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [-3, 2, 1],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [2, 4, 0],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [0, -7, 3]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ];

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp inverse = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [-0.194, 0.21, 0.065],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [0.097, 0.145, -0.032],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [0.226, 0.339, 0.258]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ];

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp result = Y.MatrixUtil.inverse(matrix);

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp for(i = 0; i < len; ++i)

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp for(j = 0; j < len; ++j)

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp Y.Assert.areEqual(Round(inverse[i][j]), Round(result[i][j]), "The result of inverse" + (j + 1) + "," + (i +1) + " should be " + inverse[i][j] + ", not " + result[i][j]);

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp matrix = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, 0, 2],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, 2, 1],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [2, 4, 0]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ];

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp inverse = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, -2, 1],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [-0.5, 1, -0.25],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [0, 1, -0.5]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ];

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp result = Y.MatrixUtil.inverse(matrix);

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp for(i = 0; i < len; ++i)

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp for(j = 0; j < len; ++j)

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp Y.Assert.areEqual(Round(inverse[i][j]), Round(result[i][j]), "The result of inverse" + (j + 1) + "," + (i +1) + " should be " + inverse[i][j] + ", not " + result[i][j]);

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp matrix = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [-3, -7, -3],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [-1, 0, -1],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [0, 0, -6]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ];

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp inverse = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [0, -1, 0.167],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [-0.143, 0.429, 0],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [0, 0, -0.167]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ];

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp result = Y.MatrixUtil.inverse(matrix);

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp for(i = 0; i < len; ++i)

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp for(j = 0; j < len; ++j)

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp Y.Assert.areEqual(Round(inverse[i][j]), Round(result[i][j]), "The result of inverse" + (j + 1) + "," + (i +1) + " should be " + inverse[i][j] + ", not " + result[i][j]);

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp },

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp test4x4Inverse: function()

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp var matrix = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [2, 3, 1, 9],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, 2, 0, 0],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [0, 2, 4, 2],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, 2, 4, 0]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp inverse = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [0.2, -0.25, -0.9, 0.85],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [-0.1, 0.625, 0.45, -0.425],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [0, -0.25, 0, 0.25],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [0.1, -0.125, 0.05, -0.075]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp len = matrix.length,

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp i,

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp j,

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp result = Y.MatrixUtil.inverse(matrix);

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp for(i = 0; i < len; ++i)

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp for(j = 0; j < len; ++j)

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp Y.Assert.areEqual(Round(inverse[i][j]), Round(result[i][j]), "The result of inverse" + (j + 1) + "," + (i +1) + " should be " + inverse[i][j] + ", not " + result[i][j]);

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp matrix = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [-3, -5, 3, 4],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, 2, 3, 2],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [0, 1, -12, 1],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [11, 3, 0, 3]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ];

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp inverse = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [0, -0.138, -0.034, 0.103],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [-0.111, 0.285, 0.043, -0.056],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [0, 0.042, -0.073, -0.004],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [0.111, 0.221, 0.083, 0.01]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ];

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp result = Y.MatrixUtil.inverse(matrix);

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp for(i = 0; i < len; ++i)

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp for(j = 0; j < len; ++j)

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp Y.Assert.areEqual(Round(inverse[i][j]), Round(result[i][j]), "The result of inverse" + (j + 1) + "," + (i +1) + " should be " + inverse[i][j] + ", not " + result[i][j]);

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp matrix = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, -4, .5, -7],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, 0, 3, 1],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [3, 3, 3, 1],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, 6, 3, 9]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ];

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp inverse = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [-12, 7.25, 5.5, -10.75],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [8, -5.167, -3.333, 7.167],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [6, -3.333, -2.667, 5.333],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [-6, 3.75, 2.5, -5.25]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ];

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp result = Y.MatrixUtil.inverse(matrix);

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp for(i = 0; i < len; ++i)

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp for(j = 0; j < len; ++j)

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp Y.Assert.areEqual(Round(inverse[i][j]), Round(result[i][j]), "The result of inverse" + (j + 1) + "," + (i +1) + " should be " + inverse[i][j] + ", not " + result[i][j]);

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp matrix = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [14, 3, 11, -4],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [-5, 9, 0, 3],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [.2, 2, 0, 9],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, 4, 6, 2]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ];

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp inverse = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [0.093, 0.029, 0.07, -0.171],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [0.057, 0.138, 0.002, -0.104],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [-0.048, -0.086, -0.049, 0.255],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [-0.015, -0.031, 0.109, 0.027]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ];

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp result = Y.MatrixUtil.inverse(matrix);

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp for(i = 0; i < len; ++i)

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp for(j = 0; j < len; ++j)

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp Y.Assert.areEqual(Round(inverse[i][j]), Round(result[i][j]), "The result of inverse" + (j + 1) + "," + (i +1) + " should be " + inverse[i][j] + ", not " + result[i][j]);

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp },

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp test3x3Transpose: function()

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp var matrix = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [3, 2, 0],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [0, 1, -2],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, -3, -1]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp transpose = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [3, 0, 1],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [2, 1, -3],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [0, -2, -1]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp i,

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp j,

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp len = matrix.length,

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp result = Y.MatrixUtil.transpose(matrix);

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp for(i = 0; i < len; ++i)

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp for(j = 0; j < len; ++j)

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp Y.Assert.areEqual(Round(transpose[i][j]), Round(result[i][j]), "The result of transpose" + (j + 1) + "," + (i +1) + " should be " + transpose[i][j] + ", not " + result[i][j]);

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp matrix = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [-3, 2, 1],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [2, 4, 0],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [0, -7, 3]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ];

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp transpose = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [-3, 2, 0],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [2, 4, -7],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, 0, 3]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ];

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp result = Y.MatrixUtil.transpose(matrix);

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp for(i = 0; i < len; ++i)

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp for(j = 0; j < len; ++j)

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp Y.Assert.areEqual(Round(transpose[i][j]), Round(result[i][j]), "The result of transpose" + (j + 1) + "," + (i +1) + " should be " + transpose[i][j] + ", not " + result[i][j]);

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp matrix = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, 0, 2],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, 2, 1],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [2, 4, 0]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ];

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp transpose = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, 1, 2],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [0, 2, 4],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [2, 1, 0]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ];

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp result = Y.MatrixUtil.transpose(matrix);

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp for(i = 0; i < len; ++i)

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp for(j = 0; j < len; ++j)

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp Y.Assert.areEqual(Round(transpose[i][j]), Round(result[i][j]), "The result of transpose" + (j + 1) + "," + (i +1) + " should be " + transpose[i][j] + ", not " + result[i][j]);

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp matrix = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [-3, -7, -3],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [-1, 0, -1],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [0, 0, -6]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ];

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp transpose = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [-3, -1, 0],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [-7, 0, 0],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [-3, -1, -6]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ];

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp result = Y.MatrixUtil.transpose(matrix);

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp for(i = 0; i < len; ++i)

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp for(j = 0; j < len; ++j)

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp Y.Assert.areEqual(Round(transpose[i][j]), Round(result[i][j]), "The result of transpose" + (j + 1) + "," + (i +1) + " should be " + transpose[i][j] + ", not " + result[i][j]);

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp },

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp test4x4Transpose: function()

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp var matrix = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [2, 3, 1, 9],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, 2, 0, 0],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [0, 2, 4, 2],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, 2, 4, 0]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp transpose = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [2, 1, 0, 1],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [3, 2, 2, 2],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, 0, 4, 4],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [9, 0, 2, 0]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp i,

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp j,

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp len = matrix.length,

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp result = Y.MatrixUtil.transpose(matrix);

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp for(i = 0; i < len; ++i)

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp for(j = 0; j < len; ++j)

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp Y.Assert.areEqual(Round(transpose[i][j]), Round(result[i][j]), "The result of transpose" + (j + 1) + "," + (i +1) + " should be " + transpose[i][j] + ", not " + result[i][j]);

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp matrix = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [-3, -5, 3, 4],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, 2, 3, 2],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [0, 1, -12, 1],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [11, 3, 0, 3]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ];

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp transpose = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [-3, 1, 0, 11],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [-5, 2, 1, 3],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [3, 3, -12, 0],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [4, 2, 1, 3]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ];

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp result = Y.MatrixUtil.transpose(matrix);

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp for(i = 0; i < len; ++i)

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp for(j = 0; j < len; ++j)

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp Y.Assert.areEqual(Round(transpose[i][j]), Round(result[i][j]), "The result of transpose" + (j + 1) + "," + (i +1) + " should be " + transpose[i][j] + ", not " + result[i][j]);

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp matrix = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, -4, .5, -7],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, 0, 3, 1],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [3, 3, 3, 1],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, 6, 3, 9]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ];

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp transpose = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, 1, 3, 1],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [-4, 0, 3, 6],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [.5, 3, 3, 3],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [-7, 1, 1, 9]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ];

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp result = Y.MatrixUtil.transpose(matrix);

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp for(i = 0; i < len; ++i)

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp for(j = 0; j < len; ++j)

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp Y.Assert.areEqual(Round(transpose[i][j]), Round(result[i][j]), "The result of transpose" + (j + 1) + "," + (i +1) + " should be " + transpose[i][j] + ", not " + result[i][j]);

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp matrix = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [14, 3, 11, -4],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [-5, 9, 0, 3],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [.2, 2, 0, 9],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [1, 4, 6, 2]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ];

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp transpose = [

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [14, -5, .2, 1],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [3, 9, 2, 4],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [11, 0, 0, 6],

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp [-4, 3, 9, 2]

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp ];

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp result = Y.MatrixUtil.transpose(matrix);

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp for(i = 0; i < len; ++i)

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp for(j = 0; j < len; ++j)

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp {

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp Y.Assert.areEqual(Round(transpose[i][j]), Round(result[i][j]), "The result of transpose" + (j + 1) + "," + (i +1) + " should be " + transpose[i][j] + ", not " + result[i][j]);

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp }

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp}));

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTrippsuite.add(new Y.Test.Case({

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp name: 'Matrix tests',

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp testGetDeterminant: function() {

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp determinant = 1,

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp mymatrix = new Y.Matrix();

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp mymatrix.rotate(45);

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp /*

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp Y.Assert.areEqual(Round(mymatrix.getDeterminant()), determinant, "The determinant should be: " + determinant + ".");

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp mymatrix.init();

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp mymatrix.translate(15, 15);

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp /*

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp Y.Assert.areEqual(Round(mymatrix.getDeterminant()), determinant, "The determinant should be: " + determinant + ".");

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp mymatrix.skewX(15);

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp /*

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp Y.Assert.areEqual(Round(mymatrix.getDeterminant()), determinant, "The determinant should be: " + determinant + ".");

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp mymatrix.scale(33, 11);

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp /*

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp determinant = 363;

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp Y.Assert.areEqual(Round(mymatrix.getDeterminant()), determinant, "The determinant should be: " + determinant + ".");

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp mymatrix.skewY(67);

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp /*

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp Y.Assert.areEqual(Round(mymatrix.getDeterminant()), determinant, "The determinant should be: " + determinant + ".");

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp },

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp testGetInverse: function() {

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp var result,

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp i,

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp j,

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp inverse,

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp len = 3,

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp mymatrix = new Y.Matrix();

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp mymatrix.rotate(45);

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp /*

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp //inverse test

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp inverse = [

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp [0.707, 0.707, 0.000],

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp [-0.707, 0.707, 0.000],

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp [0.000, 0.000, 1.000]

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp ];

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp result = mymatrix.inverse();

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp for(i = 0; i < len; ++i)

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp {

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp for(j = 0; j < len; ++j)

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp {

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp Y.Assert.areEqual(Round(inverse[i][j]), Round(result[i][j]), "The result of inverse" + (j + 1) + "," + (i +1) + " should be " + inverse[i][j] + ", not " + result[i][j]);

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp }

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp }

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp //clear and translate

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp mymatrix.init();

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp mymatrix.translate(15, 15);

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp /*

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp //inverse test

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp inverse = [

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp [1.000, 0.000, -15.000],

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp [0.000, 1.000, -15.000],

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp [0.000, 0.000, 1.000]

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp ];

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp result = mymatrix.inverse();

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp for(i = 0; i < len; ++i)

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp {

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp for(j = 0; j < len; ++j)

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp {

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp Y.Assert.areEqual(Round(inverse[i][j]), Round(result[i][j]), "The result of inverse" + (j + 1) + "," + (i +1) + " should be " + inverse[i][j] + ", not " + result[i][j]);

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp }

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp }

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp //add a skewX

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp mymatrix.skewX(15);

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp /*

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp //inverse test

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp inverse = [

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp [1.000, -0.268, -10.981],

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp [0.000, 1.000, -15.000],

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp [0.000, 0.000, 1.000]

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp ];

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp result = mymatrix.inverse();

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp for(i = 0; i < len; ++i)

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp {

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp for(j = 0; j < len; ++j)

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp {

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp Y.Assert.areEqual(Round(inverse[i][j]), Round(result[i][j]), "The result of inverse" + (j + 1) + "," + (i +1) + " should be " + inverse[i][j] + ", not " + result[i][j]);

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp }

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp }

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp //add a scale

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp mymatrix.scale(33, 11);

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp /*

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp //inverse test

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp inverse = [

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp [0.030, -0.008, -0.333],

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp [0.000, 0.091, -1.364],

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp [0.000, 0.000, 1.000]

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp ];

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp result = mymatrix.inverse();

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp for(i = 0; i < len; ++i)

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp {

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp for(j = 0; j < len; ++j)

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp {

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp Y.Assert.areEqual(Round(inverse[i][j]), Round(result[i][j]), "The result of inverse" + (j + 1) + "," + (i +1) + " should be " + inverse[i][j] + ", not " + result[i][j]);

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp }

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp }

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp //add a skewY

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp mymatrix.skewY(67);

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp /*

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp //inverse test

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp inverse = [

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp [0.030, -0.008, -0.333],

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp [-0.071, 0.110, -0.580],

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp [0.000, 0.000, 1.000]

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp ];

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp result = mymatrix.inverse();

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp for(i = 0; i < len; ++i)

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp {

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp for(j = 0; j < len; ++j)

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp {

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp Y.Assert.areEqual(Round(inverse[i][j]), Round(result[i][j]), "The result of inverse" + (j + 1) + "," + (i +1) + " should be " + inverse[i][j] + ", not " + result[i][j]);

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp }

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp }

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp },

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp testGetTranspose: function() {

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp var result,

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp i,

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp j,

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp transpose,

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp len = 3,

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp mymatrix = new Y.Matrix();

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp mymatrix.rotate(45);

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp /*

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp transpose = [

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp [0.707, 0.707, 0.000],

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp [-0.707, 0.707, 0.000],

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp [0.000, 0.000, 1.000]

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp ];

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp result = mymatrix.transpose();

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp for(i = 0; i < len; ++i)

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp {

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp for(j = 0; j < len; ++j)

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp {

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp Y.Assert.areEqual(Round(transpose[i][j]), Round(result[i][j]), "The result of transpose" + (j + 1) + "," + (i +1) + " should be " + transpose[i][j] + ", not " + result[i][j]);

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp }

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp }

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp //clear and translate

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp mymatrix.init();

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp mymatrix.translate(15, 15);

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp /*

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp transpose = [

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp [1.000, 0.000, 0.000],

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp [0.000, 1.000, 0.000],

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp [15.000, 15.000, 1.000]

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp ];

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp result = mymatrix.transpose();

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp for(i = 0; i < len; ++i)

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp {

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp for(j = 0; j < len; ++j)

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp {

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp Y.Assert.areEqual(Round(transpose[i][j]), Round(result[i][j]), "The result of transpose" + (j + 1) + "," + (i +1) + " should be " + transpose[i][j] + ", not " + result[i][j]);

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp }

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp }

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp //add a skewX

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp mymatrix.skewX(15);

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp /*

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp transpose = [

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp [1.000, 0.000, 0.000],

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp [0.268, 1.000, 0.000],

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp [15.000, 15.000, 1.000]

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp ];

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp result = mymatrix.transpose();

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp for(i = 0; i < len; ++i)

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp {

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp for(j = 0; j < len; ++j)

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp {

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp Y.Assert.areEqual(Round(transpose[i][j]), Round(result[i][j]), "The result of transpose" + (j + 1) + "," + (i +1) + " should be " + transpose[i][j] + ", not " + result[i][j]);

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp }

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp }

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp //add a scale

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp mymatrix.scale(33, 11);

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp /*

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp transpose = [

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp [33.000, 0.000, 0.000],

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp [2.947, 11.000, 0.000],

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp [15.000, 15.000, 1.000]

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp ];

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp result = mymatrix.transpose();

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp for(i = 0; i < len; ++i)

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp {

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp for(j = 0; j < len; ++j)

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp {

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp Y.Assert.areEqual(Round(transpose[i][j]), Round(result[i][j]), "The result of transpose" + (j + 1) + "," + (i +1) + " should be " + transpose[i][j] + ", not " + result[i][j]);

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp }

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp }

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp //add a skewY

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp mymatrix.skewY(67);

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp /*

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp transpose = [

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp [39.944, 25.914, 0.000],

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp [2.947, 11.000, 0.000],

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp [15.000, 15.000, 1.000]

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp ];

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp result = mymatrix.transpose();

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp for(i = 0; i < len; ++i)

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp {

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp for(j = 0; j < len; ++j)

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp {

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp Y.Assert.areEqual(Round(transpose[i][j]), Round(result[i][j]), "The result of transpose" + (j + 1) + "," + (i +1) + " should be " + transpose[i][j] + ", not " + result[i][j]);

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp }

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp }

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp }

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp}));

3292ebaf3948b95e71b5dc0722dcfc46c263eaabTripp

2b372d7f27a89b31208fc8c7db673a8d45b33747TrippY.Test.Runner.add(suite);

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp

2b372d7f27a89b31208fc8c7db673a8d45b33747Tripp}, '@VERSION@', {requires: ['test']});