public void SetValue(int col, double x)
{
int i;
SparseElement[] newdata = null;
for (i = 0; i < n; i++)
{
if (data[i].col == col)
{
data[i].x = x;
return;
}
}
//not found, add the element
newdata = new SparseElement[n + 1];
for (i = 0; i < n; i++)
{
newdata[i] = data[i];
}
data = newdata;
data[n] = new SparseElement(this, col, x);
n++;
}
public SparseElement(SparseRow parent, SparseElement e)
{
row = parent;
col = e.col;
x = e.x;
}