public void testCreateUniformRandom_Diagonal() { System.out.println("createUniformRandom"); int M = random.nextInt(10) + 1; int N = M + 1; DiagonalMatrixFactoryMTJ factory = this.createFactory(); try { factory.createUniformRandom(M, N, -RANGE, RANGE, random); fail("Cannot create non-suare matrix"); } catch (Exception e) { System.out.println("Good: " + e); } DiagonalMatrixMTJ m = factory.createUniformRandom(M, M, -RANGE, RANGE, random); assertNotNull(m); assertEquals(M, m.getDimensionality()); for (int i = 0; i < M; i++) { for (int j = 0; j < M; j++) { double v = m.getElement(i, j); if (i == j) { assertTrue(-RANGE <= v); assertTrue(v <= RANGE); } else { assertEquals(0.0, v); } } } }
/** Test of createMatrix method, of class DiagonalMatrixFactoryMTJ. */ public void testCreateMatrix_int() { System.out.println("createMatrix"); DiagonalMatrixFactoryMTJ instance = this.createFactory(); int M = random.nextInt(10) + 1; DiagonalMatrixMTJ result = instance.createMatrix(M); assertNotNull(result); assertEquals(M, result.getDimensionality()); }
/** Test of diagonalValues method, of class DiagonalMatrixFactoryMTJ. */ public void testDiagonalValues() { System.out.println("diagonalValues"); double[] diagonal = {random.nextGaussian(), random.nextGaussian(), random.nextGaussian()}; DiagonalMatrixFactoryMTJ instance = this.createFactory(); DiagonalMatrixMTJ result = instance.diagonalValues(diagonal); assertEquals(diagonal.length, result.getDimensionality()); for (int i = 0; i < diagonal.length; i++) { assertEquals(diagonal[i], result.getElement(i)); } }