//------------------------------------------------------------------------- public virtual void test_with() { double[][] @base = new double[][] { new double[] { 1d, 2d }, new double[] { 3d, 4d }, new double[] { 5d, 6d } }; DoubleMatrix test = DoubleMatrix.copyOf(@base); assertMatrix(test.with(0, 0, 2.6d), 2.6d, 2d, 3d, 4d, 5d, 6d); assertMatrix(test.with(0, 0, 1d), 1d, 2d, 3d, 4d, 5d, 6d); assertThrows(() => test.with(-1, 0, 2d), typeof(System.IndexOutOfRangeException)); assertThrows(() => test.with(3, 0, 2d), typeof(System.IndexOutOfRangeException)); assertThrows(() => test.with(0, -1, 2d), typeof(System.IndexOutOfRangeException)); assertThrows(() => test.with(0, 3, 2d), typeof(System.IndexOutOfRangeException)); }