// **************************************************************************
// Test methods
// **************************************************************************
public void test1D() {
double[] buff = new double[100];
for (int i = 0; i < 100; i++) {
buff[i] = Math.random(); // range between 0 and 1
}
ArrayUtils.normalize(buff, -1, 1, 0, 100); // Buffer, Min val, Max,
// start index, length
assertTrue(MathUtils.isApproximatelyEqual(-1, ArrayUtils.min(buff)));
assertTrue(MathUtils.isApproximatelyEqual(1, ArrayUtils.max(buff)));
}
public void test2D() {
double[][] buff = new double[4][4];
for (int j = 0; j < 4; j++) {
for (int i = 0; i < 4; i++) {
buff[j][i] = Math.random(); // range between 0 and 1
}
}
ArrayUtils.normalize(buff, -10, 10, 1, 2, 1, 2);
assertTrue(MathUtils.isApproximatelyEqual(-10, ArrayUtils.min(buff)));
assertTrue(MathUtils.isApproximatelyEqual(10, ArrayUtils.max(buff)));
}
public void test3D() {
double[][][] buff = new double[8][4][2];
for (int k = 0; k < 8; k++) {
for (int j = 0; j < 4; j++) {
for (int i = 0; i < 2; i++) buff[k][j][i] = Math.random(); // range between 0 and 1
}
}
ArrayUtils.normalize(buff, -1, 1); // Buffer, Min val, Max,
// start index, length
// ArrayUtils.print(buff);
assertTrue(MathUtils.isApproximatelyEqual(-1, ArrayUtils.min(buff)));
assertTrue(MathUtils.isApproximatelyEqual(1, ArrayUtils.max(buff)));
}
