public void testGetNearestValueIndexInDoubleArrays() {
double[] testArray1 = new double[] {1.0, 2.0, 3.0, 6.0, 8.0, 10.0, 13.0, 14.0, 15.0};
double value = 2.8;
int index = GlintHelpers.getNearestValueIndexInAscendingDoubleArray(value, testArray1);
assertEquals(2, index);
double[] testArray2 = new double[] {21.0, 20.0, 13.0, 6.0, 2.0, 1.0, 0.0};
index = GlintHelpers.getNearestValueIndexInDescendingDoubleArray(value, testArray2);
assertEquals(4, index);
}
public void testGetMinMaxInDoubleArrays() {
double[] testArray1 = new double[] {1.0, 2.0, 3.0, 6.0, 8.0, 10.0, 16.0, 14.0, 15.0};
int index = GlintHelpers.getMaximumValueIndexInDoubleArray(testArray1);
assertEquals(6, index);
double value = GlintHelpers.getMaximumValueInDoubleArray(testArray1);
assertEquals(16.0, value);
double[] testArray2 = new double[] {21.0, 20.0, 13.0, 6.0, 2.0, -3.0, 0.0};
index = GlintHelpers.getMinimumValueIndexInDoubleArray(testArray2);
assertEquals(5, index);
value = GlintHelpers.getMinimumValueInDoubleArray(testArray2);
assertEquals(-3.0, value);
}
public void testLinearInterpol() {
double x1 = 1.5;
double x2 = 2.0;
double y1 = 2.4;
double y2 = 4.2;
double x = 1.5;
double y = GlintHelpers.linearInterpol(x, x1, x2, y1, y2);
assertEquals(2.4, y);
x = 1.7;
y = GlintHelpers.linearInterpol(x, x1, x2, y1, y2);
assertEquals(3.12, y);
x = 1.95;
y = GlintHelpers.linearInterpol(x, x1, x2, y1, y2);
assertEquals(4.02, y);
x = 2.0;
y = GlintHelpers.linearInterpol(x, x1, x2, y1, y2);
assertEquals(4.2, y);
}