/// <summary>
/// Multiplies matrix by some number
/// </summary>
/// <param name="number">Multiplier</param>
public void MultiplyByNumber(IntegerBitset number)
{
if (number == null)
{
throw new ArgumentNullException(nameof(number));
}
for (var i = 0; i < _columns; i++)
{
for (var j = 0; j < _rows; j++)
{
Matrix[i][j] = new IntegerBitset(
IntegerBitsetUtils.BitArrayTruncate(IntegerBitsetUtils.BitArrayMultiply(
Matrix[i][j].GetBitArray(), number.GetBitArray(), new BitArray(1, false), out _), 32));
}
}
}
/// <summary>
/// Multiplies matrix by IntegerBitsetMatrix
/// </summary>
public void MultiplyByMatrix(IntegerBitsetMatrix multiplierMatrix)
{
if (multiplierMatrix == null)
{
throw new ArgumentNullException(nameof(multiplierMatrix));
}
var aRows = _rows;
var aCols = _columns;
var bRows = multiplierMatrix.GetRows();
var bCols = multiplierMatrix.GetColumns();
if (aCols != bRows)
{
throw new OperationCanceledException("Non-conformable matrices in MultiplyByMatrix");
}
var result = new IntegerBitsetMatrix(aRows, bCols);
for (var i = 0; i < aCols; ++i) // each row of A
{
for (var j = 0; j < bRows; ++j) // each col of B
{
for (var k = 0; k < aRows; ++k)
{
//Bit by Bit Multiplying
result.Matrix[i][j] = new IntegerBitset(
IntegerBitsetUtils.BitArrayAdder(
Matrix[i][j].GetBitArray(),
IntegerBitsetUtils.BitArrayTruncate(
IntegerBitsetUtils.BitArrayMultiply(
Matrix[i][k].GetBitArray(),
multiplierMatrix.Matrix[k][j].GetBitArray(),
new BitArray(1, false), out _), 32),
new BitArray(1, false), out _));
}
}
}
Matrix = result.Matrix;
_columns = result.GetColumns();
_rows = result.GetRows();
}
/// <summary>
/// Raises matrix to some power
/// </summary>
/// <param name="power">Power</param>
public void RaiseMatrixToPower(IntegerBitset power)
{
if (power == null)
{
throw new ArgumentNullException(nameof(power));
}
for (var i = 0; i < _columns; i++)
{
for (var j = 0; j < _rows; j++)
{
for (var k = 1; k < power.GetInt32(); k++)
{
Matrix[i][j] = new IntegerBitset(
IntegerBitsetUtils.BitArrayTruncate(IntegerBitsetUtils.BitArrayMultiply(
Matrix[i][j].GetBitArray(), Matrix[i][j].GetBitArray(), new BitArray(1, false), out _), 32));
}
}
}
}
