public void reset ( int N ) { this . N = N ; this . diag = null ; this . off = null ; if ( splits . length < N ) { splits = new int [ N ] ; } numSplits = 0 ; x1 = 0 ; x2 = N - 1 ; steps = numExceptional = lastExceptional = 0 ; this . Q = null ; }
Sets the size of the matrix being decomposed declares new memory if needed and sets all helper functions to their initial value .