roboptim/roboptim-core-plugin-ipopt — pull request #10 by bchretien (2013-03-29 00:48:51+00:00)
Title: Ignore new_x in Ipopt eval functions

New_x is set to false if any evaluation method was previously called with
the same values in x, true otherwise. Moreover, a given eval function
will not be called with the same x twice in a row. Thus, we can ignore
this argument.