[Ipopt] does namespace std have conflict with Ipopt namespace ?

[Sourav Rakshit]

Hi all,
I am using C++ for solving problems with ipopt. When I ran the standard
hs071_nlp program with namespace std it gave me the following error:

Program received signal SIGSEGV, Segmentation fault.
0x0000000000404570 in HS071_NLP::eval_jac_g(int, double const*, bool, int,
int, int*, int*, double*) ()

However, when I dont use namespace std, the same program runs fine.
If I cannot use namespace std how can I include vector & string classes ?
I am getting error when I am defining vector & strings using Ipopt
namespace only.

thanks,
Sourav

-- 
S.Rakshit
PhD student
Mechanical Engg. Dept.
IISc

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