[Ipopt] Unknown keywords: mehrotra_algorithm and corrector_type

[zjuzw at sohu.com]

Hi,
Sorry to bother you. When I reset keywords mehrotra_algorithm and corrector_type,
the error message "Unknown Keyword" displayed. Does it mean current version of IPOPT 
can not execute Mehrotra's predictor-corrector algorithm? If not,how to configure the 
keywords to bring Mehrotra's predictor-corrector algorithm into effect? And the second 
question is the total time spent by IPOPT is only "Total CPU secs in IPOPT (w/o function 
evaluations)" or "Total CPU secs in IPOPT (w/o function evaluations)" adds "Total CPU secs 
in NLP function evaluations" ? 
Thank you in advance,and hope for your reply sincerely.  Best Wishes,From Wei.
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