Lines Matching refs:function
23 describe("mat2", function() {
26 beforeEach(function() {
40 describe("create", function() {
41 beforeEach(function() { result = mat2.create(); });
42 it("should return a 4 element array initialized to a 2x2 identity matrix", function() { expect(result).toBeEqualish(identity); });
45 describe("clone", function() {
46 beforeEach(function() { result = mat2.clone(matA); });
47 it("should return a 4 element array initialized to the values in matA", function() { expect(result).toBeEqualish(matA); });
50 describe("copy", function() {
51 beforeEach(function() { result = mat2.copy(out, matA); });
52 it("should place values into out", function() { expect(out).toBeEqualish(matA); });
53 it("should return out", function() { expect(result).toBe(out); });
56 describe("identity", function() {
57 beforeEach(function() { result = mat2.identity(out); });
58 it("should place values into out", function() { expect(result).toBeEqualish(identity); });
59 it("should return out", function() { expect(result).toBe(out); });
62 describe("transpose", function() {
63 describe("with a separate output matrix", function() {
64 beforeEach(function() { result = mat2.transpose(out, matA); });
66 it("should place values into out", function() { expect(out).toBeEqualish([1, 3, 2, 4]); });
67 it("should return out", function() { expect(result).toBe(out); });
68 it("should not modify matA", function() { expect(matA).toBeEqualish([1, 2, 3, 4]); });
71 describe("when matA is the output matrix", function() {
72 beforeEach(function() { result = mat2.transpose(matA, matA); });
74 it("should place values into matA", function() { expect(matA).toBeEqualish([1, 3, 2, 4]); });
75 it("should return matA", function() { expect(result).toBe(matA); });
79 describe("invert", function() {
80 describe("with a separate output matrix", function() {
81 beforeEach(function() { result = mat2.invert(out, matA); });
83 it("should place values into out", function() { expect(out).toBeEqualish([-2, 1, 1.5, -0.5]); });
84 it("should return out", function() { expect(result).toBe(out); });
85 it("should not modify matA", function() { expect(matA).toBeEqualish([1, 2, 3, 4]); });
88 describe("when matA is the output matrix", function() {
89 beforeEach(function() { result = mat2.invert(matA, matA); });
91 it("should place values into matA", function() { expect(matA).toBeEqualish([-2, 1, 1.5, -0.5]); });
92 it("should return matA", function() { expect(result).toBe(matA); });
96 describe("adjoint", function() {
97 describe("with a separate output matrix", function() {
98 beforeEach(function() { result = mat2.adjoint(out, matA); });
100 it("should place values into out", function() { expect(out).toBeEqualish([4, -2, -3, 1]); });
101 it("should return out", function() { expect(result).toBe(out); });
102 it("should not modify matA", function() { expect(matA).toBeEqualish([1, 2, 3, 4]); });
105 describe("when matA is the output matrix", function() {
106 beforeEach(function() { result = mat2.adjoint(matA, matA); });
108 it("should place values into matA", function() { expect(matA).toBeEqualish([4, -2, -3, 1]); });
109 it("should return matA", function() { expect(result).toBe(matA); });
113 describe("determinant", function() {
114 beforeEach(function() { result = mat2.determinant(matA); });
116 it("should return the determinant", function() { expect(result).toEqual(-2); });
119 describe("multiply", function() {
120 it("should have an alias called 'mul'", function() { expect(mat2.mul).toEqual(mat2.multiply); });
122 describe("with a separate output matrix", function() {
123 beforeEach(function() { result = mat2.multiply(out, matA, matB); });
125 it("should place values into out", function() { expect(out).toBeEqualish([19, 22, 43, 50]); });
126 it("should return out", function() { expect(result).toBe(out); });
127 it("should not modify matA", function() { expect(matA).toBeEqualish([1, 2, 3, 4]); });
128 it("should not modify matB", function() { expect(matB).toBeEqualish([5, 6, 7, 8]); });
131 describe("when matA is the output matrix", function() {
132 beforeEach(function() { result = mat2.multiply(matA, matA, matB); });
134 it("should place values into matA", function() { expect(matA).toBeEqualish([19, 22, 43, 50]); });
135 it("should return matA", function() { expect(result).toBe(matA); });
136 it("should not modify matB", function() { expect(matB).toBeEqualish([5, 6, 7, 8]); });
139 describe("when matB is the output matrix", function() {
140 beforeEach(function() { result = mat2.multiply(matB, matA, matB); });
142 it("should place values into matB", function() { expect(matB).toBeEqualish([19, 22, 43, 50]); });
143 it("should return matB", function() { expect(result).toBe(matB); });
144 it("should not modify matA", function() { expect(matA).toBeEqualish([1, 2, 3, 4]); });
148 describe("rotate", function() {
149 describe("with a separate output matrix", function() {
150 beforeEach(function() { result = mat2.rotate(out, matA, Math.PI * 0.5); });
152 it("should place values into out", function() { expect(out).toBeEqualish([2, -1, 4, -3]); });
153 it("should return out", function() { expect(result).toBe(out); });
154 it("should not modify matA", function() { expect(matA).toBeEqualish([1, 2, 3, 4]); });
157 describe("when matA is the output matrix", function() {
158 beforeEach(function() { result = mat2.rotate(matA, matA, Math.PI * 0.5); });
160 it("should place values into matA", function() { expect(matA).toBeEqualish([2, -1, 4, -3]); });
161 it("should return matA", function() { expect(result).toBe(matA); });
165 describe("scale", function() {
167 beforeEach(function() { vecA = [2, 3]; });
169 describe("with a separate output matrix", function() {
170 beforeEach(function() { result = mat2.scale(out, matA, vecA); });
172 it("should place values into out", function() { expect(out).toBeEqualish([2, 6, 6, 12]); });
173 it("should return out", function() { expect(result).toBe(out); });
174 it("should not modify matA", function() { expect(matA).toBeEqualish([1, 2, 3, 4]); });
177 describe("when matA is the output matrix", function() {
178 beforeEach(function() { result = mat2.scale(matA, matA, vecA); });
180 it("should place values into matA", function() { expect(matA).toBeEqualish([2, 6, 6, 12]); });
181 it("should return matA", function() { expect(result).toBe(matA); });
185 describe("str", function() {
186 beforeEach(function() { result = mat2.str(matA); });
188 it("should return a string representation of the matrix", function() { expect(result).toEqual("mat2(1, 2, 3, 4)"); });
