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Re: [Help-gsl] Fwd: Modifying adaptive integration function

From: Francesco Florian
Subject: Re: [Help-gsl] Fwd: Modifying adaptive integration function
Date: Thu, 10 May 2018 12:18:37 +0200

Since I have received no answer, I wonder whether this is the right mailing 
list for this question. If it is not, can you please point me to the right one?
Thank you
Francesco Florian

On Monday, April 16, 2018 10:43:23 AM CEST Francesco Florian wrote:
> Hello,
> I'm currently trying to write a modified version of the functions in 
> integration/qag.c to solve a problem I have, but I ran into this problem:
> qag uses the `GSL_COERCE_DBL' macro, which is defined in (the 
> relevant code follows)
> #define GSL_COERCE_DBL(x) (gsl_coerce_double(x))
> #else
> #define GSL_COERCE_DBL(x) (x)
> #endif
> How should I test my compiler (GCC) to get the right version to use?
> Moreover, I noticed that `retrieve (workspace, &a_i, &b_i, &r_i, &e_i);' is 
> called at both the beginning and the end of the `do.., while' iteration 
> (lines 181 and 231), and the second call seems useless. Is that correct?
> Thank you

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