[Ipopt] Availability of Compressed Row or Compressed Column Interface

Breannan Smith smith at cs.columbia.edu
Wed Feb 15 16:37:26 EST 2012

Is there an interface (e.g. TNLP) available for Ipopt that employs
compressed row or compressed column storage instead of the triplet format?
I have read through the Ipopt documentation but have not found anything.

 I can, of course, write a simple routine to convert from a compressed
row/column format to triplet, but it would be nice to avoid the conversion.

Thank you for your input!

Best regards,
Breannan Smith
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