ObjFW  Diff

	if (row >= rows || column >= columns)
		@throw [OFOutOfRangeException newWithClass: isa];

	data[row * columns + column] = value;
}

- (double)valueForRow: (size_t)row
	       column: (size_t)column
{
	if (row >= rows || column >= columns)
		@throw [OFOutOfRangeException newWithClass: isa];

	return data[row * columns + column];
}