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Re: [Help-gsl] why disable range checking ? Re: Help-gsl Digest, Vol 81,
Re: [Help-gsl] why disable range checking ? Re: Help-gsl Digest, Vol 81, Issue 10
Mon, 9 Aug 2010 18:45:10 +0200
Yes, i wanted to do this, because of speed issues.
But it would seem from the lack of responses,
that it might not be possible afterall to disable the range checking.
2010/7/26 Alejandro Cámara Iglesias <address@hidden>:
> I can think of one: speed.
> The range checking probably is two if statements. If your code manage the
> range checking (or you are completely sure that no over/underflow may occur)
> you can disable it to make it faster when you have to access many elements.
> Maybe Glide Creme can point out more reasons.
> *Alejandro Cámara*
> PhD Student at the GICO <http://www.ucm.es/info/giboucm/>
> 2010/7/26 Awhan Patnaik <address@hidden>
>> > Message: 2
>> > Date: Thu, 22 Jul 2010 01:37:55 +0200
>> > From: glide creme <address@hidden>
>> > Subject: [Help-gsl] range check ?
>> > To: address@hidden
>> > Hi I'm having trouble disabling the range checking in the gsl.
>> > I guess I'm abit rusty in the cpreprocessor macro world, so if someone
>> > can elaborate on issue.
>> > gcc -lgsl gsl.c -lgslcblas -DHAVE_INLINE -DGSL_RANGE_CHECK=0
>> > I still get the
>> > gsl: ../gsl/gsl_vector_double.h:177: ERROR: index out of range
>> > To: glide creme <address@hidden>
>> > Cc: address@hidden
>> > Hello Glide,
>> > I don't have GCC right now but you might want to try using
>> > -UGSL_RANGE_CHECK
>> > instead of
>> > -DGSL_RANGE_CHECK=0
>> > Best,
>> > Javier
>> forgive this offtopic but related question. why would anybody want to
>> disable range checking? i think its a recipe for disaster ... i m
>> surprised to even find such a facility in gsl.
>> Help-gsl mailing list
> Help-gsl mailing list
- Re: [Help-gsl] why disable range checking ? Re: Help-gsl Digest, Vol 81, Issue 10,
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