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Added power function

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This commit is contained in:
Matthew Ellison
2022-02-07 15:48:14 +00:00
parent d5203db4e0
commit 977c877853
1 changed files with 68 additions and 1 deletions
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69
src/test/java/com/mattrixwv/matrix/TestIntegerMatrix.java
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@@ -1,7 +1,7 @@
//Matrix/src/test/java/com/mattrixwv/matrix/TestIntegerMatrix.java
//Mattrixwv
// Created: 02-01-22
//Modified: 02-03-22
//Modified: 02-07-22
package com.mattrixwv.matrix;
@@ -1171,4 +1171,71 @@ public class TestIntegerMatrix{
assertEquals("IntegerMatrix 10x10 failed cofactor1", correctMatrix, matrix.cofactor());
*/
}
@Test
public void testPower(){
//1x1
IntegerMatrix matrix = new IntegerMatrix(grid1);
IntegerMatrix correctMatrix = new IntegerMatrix(new int[][]{{1}});
assertEquals("IntegerMatrix 1x1 failed power", correctMatrix, matrix.pow(3));
//2x2
matrix = new IntegerMatrix(grid2);
correctMatrix = new IntegerMatrix(new int[][]{
{9, 18},
{9, 18}
});
assertEquals("IntegerMatrix 2x2 failed power", correctMatrix, matrix.pow(3));
//3x3
matrix = new IntegerMatrix(grid3);
correctMatrix = new IntegerMatrix(new int[][]{
{36, 72, 108},
{36, 72, 108},
{36, 72, 108}
});
assertEquals("IntegerMatrix 3x3 failed power", correctMatrix, matrix.pow(3));
//4x4
//0
matrix = new IntegerMatrix(grid4);
correctMatrix = new IntegerMatrix(new int[][]{
{1, 1, 1, 1},
{1, 1, 1, 1},
{1, 1, 1, 1},
{1, 1, 1, 1}
});
assertEquals("IntegerMatrix 4x4 failed power 0", correctMatrix, matrix.pow(0));
//1
correctMatrix = new IntegerMatrix(new int[][]{
{1, 2, 3, 4},
{1, 2, 3, 4},
{1, 2, 3, 4},
{1, 2, 3, 4}
});
assertEquals("IntegerMatrix 4x4 failed power 1", correctMatrix, matrix.pow(1));
//3
correctMatrix = new IntegerMatrix(new int[][]{
{100, 200, 300, 400},
{100, 200, 300, 400},
{100, 200, 300, 400},
{100, 200, 300, 400}
});
assertEquals("IntegerMatrix 4x4 failed power 3", correctMatrix, matrix.pow(3));
//10x10
matrix = new IntegerMatrix(grid10);
correctMatrix = new IntegerMatrix(new int[][]{
{2475, 4950, 7425, 9900, 12375, 14850, 17325, 19800, 22275, 24750},
{2475, 4950, 7425, 9900, 12375, 14850, 17325, 19800, 22275, 24750},
{2475, 4950, 7425, 9900, 12375, 14850, 17325, 19800, 22275, 24750},
{2475, 4950, 7425, 9900, 12375, 14850, 17325, 19800, 22275, 24750},
{2475, 4950, 7425, 9900, 12375, 14850, 17325, 19800, 22275, 24750},
{2475, 4950, 7425, 9900, 12375, 14850, 17325, 19800, 22275, 24750},
{2475, 4950, 7425, 9900, 12375, 14850, 17325, 19800, 22275, 24750},
{2475, 4950, 7425, 9900, 12375, 14850, 17325, 19800, 22275, 24750},
{2475, 4950, 7425, 9900, 12375, 14850, 17325, 19800, 22275, 24750},
{2475, 4950, 7425, 9900, 12375, 14850, 17325, 19800, 22275, 24750}
});
}
}