The cut pool routines

Tree.ios_pool_size()

Determine current size of the cut pool

Tree.ios_add_row(str name, str rowclass, coeffs, str vartype, double rhs)

Add row (constraint) to the cut pool

Parameters:name (str) – the name of the row, it may not exceed 255 bytes encoded as UTF-8

Tree.ios_del_row(int row)

Remove row (constraint) from the cut pool

Tree.ios_clear_pool()

Remove all rows (constraints) from the cut pool