@Test public void testViscosityPT() throws OutOfRangeException { double tol = 1e-12; System.out.println(getClass().getSimpleName() + " tolerance: " + tol); double[][] X = new double[][] { {0.890022551e-3, .1, 298.15}, {0.339743835e-4, 20, 873.15}, {0.726093560e-4, 60, 673.15} }; for (double[] x : X) { assertEquals(x[0], if97.dynamicViscosityPT(x[1], x[2]), tol); } }