GSLAdaptersTest.cpp File Reference

test file for GSLFunAdapters More...

#include <stdio.h>
#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 25 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 );
  };
  
  
  exit(0);
}