[ADOL-C] sparse_jac return unreasonable NaN's

[何旭]

Hello, everyone.

   I found that setting option[3] to 0 can solve the problem .  But maybe
because I misunderstood what row/column compression is for,  I don't know
exactly what row/column compression has to do with that. Would you please
tell me why they are related.

Thank you

Xu He
Aug,28th, 2011
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