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MatrixTest.java
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MatrixTest.java
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package org.genericsystem.cv;
import static org.testng.Assert.assertTrue;
import org.genericsystem.cv.utils.NativeLibraryLoader;
import org.opencv.core.Core;
import org.opencv.core.CvType;
import org.opencv.core.Mat;
import org.testng.annotations.Test;
import javafx.scene.layout.GridPane;
public class MatrixTest{
private static final double[] vector = {0,1,2};
private static final double[] vector2 = {3,4,5};
private static final double[] vector3 = {1,1,1};
private static final double[][] mat_2_3 = {vector, vector2};
private static final double[][] mat_3_3 = {vector, vector2, vector3};
static {
NativeLibraryLoader.load();
}
@Test
public void matConvertTest(){
Mat opencvMat = new Mat(3,1,CvType.CV_32F);
opencvMat.put(0, 0, 0d);
opencvMat.put(1, 0, 1d);
opencvMat.put(2, 0, 2d);
Matrix convertedMatrix = Matrix.convert(opencvMat);
Matrix m = new Matrix(vector);
assertTrue(m.equals(convertedMatrix));
}
@Test
public void matrixConvertTest(){
Mat opencvMat = new Mat(3,1,CvType.CV_32F);
opencvMat.put(0, 0, 1d);
opencvMat.put(1, 0, 2d);
opencvMat.put(2, 0, 0d);
Matrix matrix = new Matrix(3,1);
matrix.set(0, 0, 1d);
matrix.set(1, 0, 2d);
matrix.set(2, 0, 0d);
Mat convertedMatrix = matrix.convert();
//TODO Pas bien. A changer
assertTrue(Matrix.convert(opencvMat).equals(Matrix.convert(convertedMatrix)));
}
@Test
public void normTest(){
double[] array = {1,2,2};
Matrix m = new Matrix(array);
assertTrue(m.norm()==3);
}
@Test
public void normalizeTest(){
double[] array = {1,2,2};
Matrix m = new Matrix(array);
Matrix normalized = new Matrix(3,1);
normalized.set(0, 0, 1d/3);
normalized.set(1, 0, 2d/3);
normalized.set(2, 0, 2d/3);
assertTrue(m.normalize().equals(normalized));
}
@Test
public void tTest(){
Matrix matrix = new Matrix(mat_2_3);
assertTrue(matrix.getm()==2);
assertTrue(matrix.getn()==3);
Matrix transposedMatrix = matrix.t();
assertTrue(transposedMatrix.getm()==3);
assertTrue(transposedMatrix.getn()==2);
for(int i=0;i<matrix.getm();i++){
for(int j=0;j<matrix.getn();j++){
assertTrue(matrix.get(i, j) == transposedMatrix.get(j, i));
}
}
}
@Test
public void dotTest() {
Matrix m1 = new Matrix(3,1);
m1.set(0, 0, 1);
m1.set(1, 0, 2);
m1.set(2, 0, 3);
Matrix m2 = new Matrix(3,1);
m2.set(0, 0, 4);
m2.set(1, 0, -5);
m2.set(2, 0, 6);
Matrix m3 = new Matrix(3,1);
m3.set(0, 0, 1);
m3.set(1, 0, 2);
m3.set(2, 0, 1);
assertTrue(m1.dot(m2)==12);
assertTrue(m2.dot(m3)==0);
}
@Test
public void timesTest(){
Matrix m1 = new Matrix(mat_3_3);
Matrix m2 = new Matrix(3,1);
m2.set(0, 0, 1d);
m2.set(1, 0, 1d);
m2.set(2, 0, 1d);
assertTrue(m1.times(m2, 1).getm()==m1.getm());
assertTrue(m1.times(m2, 1).getn()==m2.getn());
Matrix m3 = new Matrix(3,1);
m3.set(0, 0, 3d);
m3.set(1, 0, 12d);
m3.set(2, 0, 3d);
assertTrue(m1.times(m2, 1).equals(m3));
}
@Test
public void crossProduct(){
Matrix m1 = new Matrix(3,1);
m1.set(0, 0, 1);
m1.set(1, 0, 2);
m1.set(2, 0, 3);
Matrix m2 = new Matrix(3,1);
m2.set(0, 0, 4);
m2.set(1, 0, -5);
m2.set(2, 0, 6);
Matrix m3 = new Matrix(3,1);
m3.set(0, 0, 27d);
m3.set(1, 0, 6d);
m3.set(2, 0, -13d);
assertTrue(Matrix.crossProduct(m1,m2).equals(m3));
}
}