public void NextFloat_MaxVal()
        {
            var   rng = new ConstantRandomSource(ulong.MaxValue);
            float x   = rng.NextFloat();

            Assert.Equal(1.0 - INCR_FLOAT, x);
        }
        public void NextFloat_MinVal()
        {
            var   rng = new ConstantRandomSource(0UL);
            float x   = rng.NextFloat();

            Assert.Equal(0f, x);
        }