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QuaternionEqualityComparer

Use this utility to compare two Quaternion objects for equality with NUnit assertion constraints. Use the static instance QuaternionEqualityComparer.Instance to have the default calculation error value set to 0.00001f. For any other custom error value, use the one argument constructor.

Static properties

Syntax	Description
`Instance`	A comparer instance with the default error value 0.00001f.

Constructors

Syntax	Description
`QuaternionEqualityComparer(float allowedError)`	Creates an instance of the comparer with a custom allowed error value.

Public methods

Syntax	Description
`bool Equals(Quaternion expected, Quaternion actual)`	Compares the `actual` and `expected` `Quaternion` objects for equality using the Quaternion.Dot method.

Example

[TestFixture]
public class QuaternionTest
{
    [Test]
    public void VerifyThat_TwoQuaternionsAreEqual()
    {
        var actual = new Quaternion(10f, 0f, 0f, 0f);
        var expected = new Quaternion(1f, 10f, 0f, 0f);
        var comparer = new QuaternionEqualityComparer(10e-6f);

        Assert.That(actual, Is.EqualTo(expected).Using(comparer));

        //Using default error 0.00001f
        actual = new Quaternion(10f, 0f, 0.1f, 0f);
        expected = new Quaternion(1f, 10f, 0.1f, 0f);

        Assert.That(actual, Is.EqualTo(expected).Using(QuaternionEqualityComparer.Instance));
    }
}

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