@Test public void testRecoverOrginal() { final DecompositionResult result = CH.apply(A); assertTrue(result instanceof CholeskyDecompositionResult); final CholeskyDecompositionResult ch = (CholeskyDecompositionResult) result; final DoubleMatrix a = (DoubleMatrix) ALGEBRA.multiply(ch.getL(), ch.getLT()); checkEquals(A, a); }