@Test
public void testDot() {
double[] vals1 = {1, 2, 3, 4, 5, 6, 7, 8};
double[] vals2 = {8, 7, 6, 5, 4, 3, 2, 1};
DoubleVector vec1 = new DenseDoubleVector(vals1);
DoubleVector vec2 = new DenseDoubleVector(vals2);
double expected = 0.0;
double res = vec1.dotUnsafe(vec2);
for (int i = 0; i < vals1.length; ++i) {
expected += vec1.get(i) * vec2.get(i);
}
assertEquals(expected, res, 0.000001);
}
