/// <summary>
/// Creates the matrix determined by a permutation
/// </summary>
/// <param name="src">The source permutation</param>
public static BitMatrix8 ToBitMatrix(this Perm <N8> src)
{
var dst = BitMatrix8.Alloc();
for (var row = 0; row < src.Length; row++)
{
dst[row, src[row]] = Bit.On;
}
return(dst);
}
public static BitMatrix8 bmm(BitMatrix8 lhs, BitMatrix8 rhs)
{
var dst = BitMatrix8.Alloc();
rhs = rhs.Transpose();
for (var i = 0; i < lhs.RowCount; i++)
{
var row = lhs.RowVector(i);
for (var j = 0; j < rhs.ColCount; j++)
{
var col = rhs.RowVector(j);
dst[i, j] = ModProd(row, col);
}
}
return(dst);
}