/** test the creation of a sup PWM */
public void TestSubPWM () {
PWM pwm = new PWM( "test", alpha, 0.0 );
pwm.Add( 'a', "1 2 3 4" );
pwm.Add( 'c', "5 6 7 8" );
PWM sub = pwm.SubPWM( "test", 1, 2 );
Assert.AreEqual( 2, sub.Get( 'a', 0 ), 1e-3 );
Assert.AreEqual( 3, sub.Get( 'a', 1 ), 1e-3 );
Assert.AreEqual( 6, sub.Get( 'c', 0 ), 1e-3 );
Assert.AreEqual( 7, sub.Get( 'c', 1 ), 1e-3 );
}
