@Test
public void testNonZeroCount() {
AVector v = Vectorz.createUniformRandomVector(5);
v.add(1);
assertEquals(v.length(), v.nonZeroCount());
v.scale(0.0);
assertEquals(0, v.nonZeroCount());
}
@Override
public AVector getBand(int band) {
if (band == 0) {
return getLeadingDiagonal();
} else {
if ((band > dimensions) || (band < -dimensions))
throw new IndexOutOfBoundsException(ErrorMessages.invalidBand(this, band));
return Vectorz.createZeroVector(bandLength(band));
}
}
@Test
public void testOuterProducts() {
AVector v = Vectorz.createUniformRandomVector(5);
INDArray a = v.outerProduct(v);
assertTrue(a instanceof AMatrix);
AMatrix m = (AMatrix) a;
AVector v2 = v.clone();
v2.square();
assertEquals(v2, m.getLeadingDiagonal());
}
public void add(double[] ds) {
ensureSize(length + 1);
data[length++] = Vectorz.create(ds);
}
public void add(AVector v) {
ensureSize(length + 1);
data[length++] = Vectorz.create(v);
}
public void add(Iterable<Object> d) {
ensureSize(length + 1);
data[length++] = Vectorz.create(d);
}