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Generate distorted particle distribution

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Your Name 2011-02-22 14:35:03 -05:00
parent c1ec13b8d5
commit 793e285c6f
3 changed files with 189 additions and 4 deletions
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33
mytools/gslIntegrate.hpp Normal file
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#ifndef __MYGSL_INTEGRATE_HPP
#define __MYGSL_INTEGRATE_HPP
#include <gsl/gsl_integration.h>
template<typename FunT>
double gslSpecialFunction(double x, void *param)
{
FunT *f = (FunT *)param;
return (*f)(x);
}
template<typename FunT>
double gslIntegrate(FunT& v, double a, double b, double prec, int NPTS = 1024)
{
gsl_integration_workspace *w = gsl_integration_workspace_alloc(NPTS);
gsl_function f;
double result;
double abserr;
f.function = &gslSpecialFunction<FunT>;
f.params = &v;
gsl_integration_qag(&f, a, b, 0, prec, NPTS, GSL_INTEG_GAUSS61,
w, &result, &abserr);
gsl_integration_workspace_free(w);
return result;
}
#endif