Recycle arrays and fix bug in minimal sigma_max value calculation.
Recycle arrays and fix bug in minimal sigma_max value calculation.

yungyuc/solvcon,yungyuc/solvcon,solvcon/solvcon,solvcon/solvcon,solvcon/solvcon,solvcon/solvcon,yungyuc/solvcon,yungyuc/solvcon,solvcon/solvcon,solvcon/solvcon,yungyuc/solvcon,yungyuc/solvcon