public void AfterSumLevelsCountIsSameAsInFirstNumber()
{
var levelsLeft = new Dictionary<double, IntervalD>
{
{0.0, new IntervalD(1.0, 3.0)},
{0.5, new IntervalD(0.5, 2.5)},
{1.0, new IntervalD(2.0, 2.0)},
};
var x = new DiscreteFuzzyNumber(levelsLeft);
var levelsRight = new Dictionary<double, IntervalD>
{
{0.0, new IntervalD(1.0, 3.0)},
{0.5, new IntervalD(0.5, 2.5)},
{1.0, new IntervalD(2.0, 2.0)},
};
var y = new DiscreteFuzzyNumber(levelsRight);
var sum = x.Sum(y);
Assert.That(sum.LevelsCount, Is.EqualTo(3));
}
public void CorrectlySumNumbers()
{
var levelsLeft = new Dictionary<double, IntervalD>
{
{0.0, new IntervalD(1.0, 3.0)},
{0.5, new IntervalD(0.5, 2.5)},
{1.0, new IntervalD(2.0, 2.0)},
};
var x = new DiscreteFuzzyNumber(levelsLeft);
var levelsRight = new Dictionary<double, IntervalD>
{
{0.0, new IntervalD(1.0, 3.0)},
{0.5, new IntervalD(0.5, 2.5)},
{1.0, new IntervalD(2.0, 2.0)},
};
var y = new DiscreteFuzzyNumber(levelsRight);
var sum = x.Sum(y);
Assert.That(sum.GetAlphaLevel(0.0), Is.EqualTo(new IntervalD(1.0 + 1.0, 3.0 + 3.0)));
Assert.That(sum.GetAlphaLevel(0.5), Is.EqualTo(new IntervalD(0.5 + 0.5, 2.5 + 2.5)));
Assert.That(sum.GetAlphaLevel(1.0), Is.EqualTo(new IntervalD(2.0 + 2.0, 2.0 + 2.0)));
}