private bool IsEqual(SparseMatrixD other)
{
if (Rows != other.Rows || Cols != other.Cols)
{
return(false);
}
return(ArrayHelpers.ArraysEqual(_values, other._values) &&
ArrayHelpers.ArraysEqual(_innerIndices, other._innerIndices) &&
ArrayHelpers.ArraysEqual(_outerStarts, other._outerStarts));
}
private int NonZeroUpperBound(SparseMatrixD other)
{
var outerStarts = _outerStarts;
var outStartsOther = other._outerStarts;
var elementsPerColum = new int[Cols];
var elementsPerColumOther = new int[other.Cols];
for (int i = 0; i <= outerStarts.Length - 2; i++)
{
elementsPerColum[i] = outerStarts[i + 1] - outerStarts[i];
}
for (int i = 0; i <= outStartsOther.Length - 2; i++)
{
elementsPerColumOther[i] = outStartsOther[i + 1] - outStartsOther[i];
}
return(Math.Min(elementsPerColum.Max() * elementsPerColumOther.Max() * Cols, Cols * Rows));
}