public void MatrixComputationsIsLowerTriangleTest()
{
Double[][,] values = new Double[][, ]
{
new Double[, ] {
{ 5, 0, 0 }, { 7.6, 8.7, 0 }, { 1.4, 3, 0 }
},
new Double[, ] {
{ 5, 0, 0, 0 }, { 0, 42, 0, 0 }, { 0, 0, 3, 5 }, { 0, 0, 5, 22.4 }
},
new Double[, ] {
{ 5, 0, 0 }, { 0, 8.7, 0 }, { 0, 0, 4 }
}
};
MatrixComputations.IsLowerTriangular(new Matrix(values[0])).ShouldBeTrue();
MatrixComputations.IsLowerTriangular(new Matrix(values[2])).ShouldBeTrue();
MatrixComputations.IsLowerTriangular(this.matrices[0]).ShouldBeTrue();
MatrixComputations.IsLowerTriangular(this.matrices[1]).ShouldBeTrue();
MatrixComputations.IsLowerTriangular(this.matrices[2]).ShouldBeTrue();
MatrixComputations.IsLowerTriangular(new Matrix(values[1])).ShouldBeFalse();
MatrixComputations.IsLowerTriangular(this.matrices[3]).ShouldBeFalse();
MatrixComputations.IsLowerTriangular(this.matrices[4]).ShouldBeFalse();
}
