(t *testing.T)
| 10 | ) |
| 11 | |
| 12 | func TestStrassenMatrixMultiply(t *testing.T) { |
| 13 | // Create two sample matrices |
| 14 | dataA := [][]int{{1, 2}, {4, 5}} |
| 15 | dataB := [][]int{{9, 8}, {6, 5}} |
| 16 | matrixA, err := matrix.NewFromElements(dataA) |
| 17 | if err != nil { |
| 18 | t.Error("copyMatrix.Set error: " + err.Error()) |
| 19 | } |
| 20 | matrixB, err := matrix.NewFromElements(dataB) |
| 21 | if err != nil { |
| 22 | t.Error("copyMatrix.Set error: " + err.Error()) |
| 23 | } |
| 24 | |
| 25 | // Perform matrix multiplication using Strassen's algorithm |
| 26 | resultMatrix, err := matrixA.StrassenMatrixMultiply(matrixB) |
| 27 | if err != nil { |
| 28 | t.Error("copyMatrix.Set error: " + err.Error()) |
| 29 | } |
| 30 | |
| 31 | // Expected result |
| 32 | expectedData, err := matrixA.Multiply(matrixB) |
| 33 | if err != nil { |
| 34 | t.Error("copyMatrix.Set error: " + err.Error()) |
| 35 | } |
| 36 | |
| 37 | // Check the dimensions of the result matrix |
| 38 | expectedRows := expectedData.Rows() |
| 39 | expectedColumns := expectedData.Columns() |
| 40 | rows := resultMatrix.Rows() |
| 41 | columns := resultMatrix.Columns() |
| 42 | |
| 43 | if rows != expectedRows { |
| 44 | t.Errorf("Expected %d rows in result matrix, but got %d", expectedRows, rows) |
| 45 | } |
| 46 | |
| 47 | if columns != expectedColumns { |
| 48 | t.Errorf("Expected %d columns in result matrix, but got %d", expectedColumns, columns) |
| 49 | } |
| 50 | |
| 51 | // Check the values in the result matrix |
| 52 | for i := 0; i < expectedRows; i++ { |
| 53 | for j := 0; j < expectedColumns; j++ { |
| 54 | val, err := resultMatrix.Get(i, j) |
| 55 | if err != nil { |
| 56 | t.Fatalf("Failed to copy matrix: %v", err) |
| 57 | } |
| 58 | expVal, err := expectedData.Get(i, j) |
| 59 | if err != nil { |
| 60 | t.Fatalf("Failed to copy matrix: %v", err) |
| 61 | } |
| 62 | if val != expVal { |
| 63 | t.Errorf("Expected value %d at (%d, %d) in result matrix, but got %d", expVal, i, j, val) |
| 64 | } |
| 65 | } |
| 66 | } |
| 67 | } |
| 68 | func TestMatrixMultiplication(t *testing.T) { |
| 69 | rand.New(rand.NewSource(time.Now().UnixNano())) |
nothing calls this directly
no test coverage detected