public void MatrixComputationsIsUpperTriangleTest()
{
Double[][,] values = new Double[][, ]
{
new Double[, ] {
{ 5, 4, 1.3 }, { 0, 8.7, 2 }, { 0, 0, 0 }
},
new Double[, ] {
{ 5, 8, 7.6, 2 }, { 0, 42, 0, 1 }, { 0, 0, 3, 5 }, { 0, 0, 5, 22.4 }
},
new Double[, ] {
{ 5, 4, 1.3 }, { 0, 8.7, 2 }, { 0, 0, 4 }
}
};
MatrixComputations.IsUpperTriangular(new Matrix(values[0])).ShouldBeTrue();
MatrixComputations.IsUpperTriangular(new Matrix(values[2])).ShouldBeTrue();
MatrixComputations.IsUpperTriangular(this.matrices[0]).ShouldBeTrue();
MatrixComputations.IsUpperTriangular(this.matrices[1]).ShouldBeTrue();
MatrixComputations.IsUpperTriangular(this.matrices[2]).ShouldBeTrue();
MatrixComputations.IsUpperTriangular(new Matrix(values[1])).ShouldBeFalse();
MatrixComputations.IsUpperTriangular(this.matrices[3]).ShouldBeFalse();
MatrixComputations.IsUpperTriangular(this.matrices[4]).ShouldBeFalse();
}
