[Coin-ipopt] Limiting line search step

[Chusslove Illich]

> [: Andreas Waechter :]
> Hope this helps,

In fact, I would more qualify it as a "perfect answer" :)

> One way to do this is that you could simply monitor [...] return 'false'
> when eval_f or other methods are called. Then Ipopt will backtrack until
> your function no longer returns false.

This works quite ok, at least for starters so that I can experiment with the
optimizer and my objective function...

> Or you could try the following patch in your code (I haven't tested it):
> [...]

...whereas this is exactly what I ideally wanted, and will come in handy to
avoid losing time on most probably invalid steps.

Thanks!

-- 
Chusslove Illich (Часлав Илић)
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