public void ToDoubleMatrixTest()
{
// value is null
{
DoubleMatrix actual = (DoubleMatrixRowCollection)(null);
Assert.IsNull(actual);
actual = DoubleMatrixRowCollection.ToDoubleMatrix(null);
Assert.IsNull(actual);
}
// value is not null
{
DoubleMatrix matrix = DoubleMatrix.Dense(2, 3,
new double[6] {
1, 2, 3, 4, 5, 6
});
var rows = matrix.AsRowCollection();
var expected = matrix;
var actual = (DoubleMatrix)rows;
DoubleMatrixAssert.AreEqual(expected, actual, DoubleMatrixTest.Accuracy);
actual = DoubleMatrixRowCollection.ToDoubleMatrix(rows);
DoubleMatrixAssert.AreEqual(expected, actual, DoubleMatrixTest.Accuracy);
}
}
public MainWindow()
{
InitializeComponent();
this.matrixBlock.Text = this.matrix.ToString();
this.gridBoundToIndexer.CurrentCellChanged +=
this.GridBoundToIndexer_CurrentCellChanged;
this.gridBoundToDataProperties.CurrentCellChanged +=
this.GridBoundToDataProperties_CurrentCellChanged;
this.rowCollection = this.matrix.AsRowCollection();
this.rowCollection.XDataColumn =
Convert.ToInt32(((ListBoxItem)this.xDataColumn.SelectedItem).Content);
this.rowCollection.YDataColumn =
Convert.ToInt32(((ListBoxItem)this.yDataColumn.SelectedItem).Content);
this.rowCollection.ZDataColumn =
Convert.ToInt32(((ListBoxItem)this.zDataColumn.SelectedItem).Content);
this.xDataColumn.SelectionChanged += this.XDataColumn_SelectionChanged;
this.yDataColumn.SelectionChanged += this.YDataColumn_SelectionChanged;
this.zDataColumn.SelectionChanged += this.ZDataColumn_SelectionChanged;
this.gridBoundToIndexer.ItemsSource = this.rowCollection;
this.gridBoundToDataProperties.ItemsSource = this.rowCollection;
double gridWidth = this.gridBoundToIndexer.Width;
double columnWidth = .9 * gridWidth / this.matrix.NumberOfColumns;
for (int j = 0; j < this.matrix.NumberOfColumns; j++)
{
DataGridTextColumn column = new()
{
Binding = new Binding("[" + j + "]")
{
Mode = BindingMode.TwoWay,
},
Header = j,
Width = columnWidth
};
this.gridBoundToIndexer.Columns.Add(column);
}
}
