public void CanSplitMatrixColumnsWhenColumnCountEquals()
{
var result = Matrix3By6.SplitColumns(6);
result.Count.ShouldEqual(1);
result[0].AsColumnMajorArray().ShouldArrayEqualWithinError(Matrix3By6.AsColumnMajorArray());
}
public void CanCloneMatrix()
{
var clone = Matrix3By6.CloneMatrix();
clone.AsColumnMajorArray().ShouldArrayEqualWithinError(Matrix3By6.AsColumnMajorArray());
clone[1, 1] = MathProvider.Scalar(42.0f);
clone[1, 1].ShouldNotEqual(Matrix3By6[1, 1]);
}
public void CanSplitMatrixColumns()
{
var result = Matrix3By6.SplitColumns(2);
result.Count.ShouldEqual(3);
for (int i = 0; i < result.Count; i++)
{
result[i].AsColumnMajorArray().ShouldArrayEqualWithinError(Matrix3By6.SubMatrix(0, Matrix3By6.RowCount, i * 2, 2).AsColumnMajorArray());
}
}
public void CanTileMatrixRows()
{
var result = Matrix3By6.TileRows(3);
result.ShouldHaveSize(9, 6);
var test = Matrix <T> .Build.DenseOfRows(Enumerable.Range(0, 3).SelectMany(x => Matrix3By6.EnumerateRows()));
result.AsColumnMajorArray().ShouldArrayEqualWithinError(test.AsColumnMajorArray());
}
public void CanCompareMatrices()
{
MatrixFactory.ParseString <T>(@"1.0 2.0 3.0
4.0 5.0 6.0
7.0 8.0 9.0").EqualsTo(
MatrixFactory.ParseString <T>(@"1.0 2.0 3.0
4.0 5.0 6.0
7.0 8.0 9.0")).ShouldBeTrue();
Matrix3By6.EqualsTo(Matrix3By6_2).ShouldBeFalse();
var self = Matrix3By6;
self.EqualsTo(self).ShouldBeTrue();
Matrix3By6.EqualsTo(Matrix5By3).ShouldBeFalse();
var arr = MathProvider.Array(1, 2, 3, 4);
var m1 = Matrix <T> .Build.Dense(2, 2, arr);
var m2 = Matrix <T> .Build.Dense(2, 2, arr);
m1.EqualsTo(m2).ShouldBeTrue();
}
public void CantSplitMatrixColumnsWhenInvalidColumnCount()
{
Trap.Exception(() => Matrix3By6.SplitColumns(7)).ShouldBeInstanceOf <ArgumentOutOfRangeException>();
Trap.Exception(() => Matrix3By6.SplitColumns(5)).ShouldBeInstanceOf <ArgumentOutOfRangeException>();
}