GSLAdaptersTest.cpp File Reference

test file for GSLFunAdapters More...

#include <cstdio>
#include <iostream>
#include "GaudiMath/GaudiMath.h"
#include "gsl/gsl_sf_bessel.h"

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Functions
int	main ()

Detailed Description

test file for GSLFunAdapters

Date

2004-03-06 Vanya BELYAEV Ivan..nosp@m.Bely.nosp@m.aev@i.nosp@m.tep..nosp@m.ru

Definition in file GSLAdaptersTest.cpp.

Function Documentation

int main

(

)

regular bessel function I0 with simplest adaptor

regular bessel function I1 with 'result' frm of adaptor

Definition at line 24 of file GSLAdaptersTest.cpp.

{

  const GaudiMath::Function& I0 = GaudiMath::adapter( gsl_sf_bessel_I0 );
  const GaudiMath::Function& I1 = GaudiMath::adapter( gsl_sf_bessel_I1_e );

  for ( int i = 0; i < 20; ++i ) {
    const double x  = double( i ) * 1 / 20.0;
    const double x0 = I0( x );
    const double x1 = I1( x );
    printf( " x = %+8.4f I0=%15.8f I1=%15.8f \n", x, x0, x1 );
  };
}