deriv.hpp

Go to the documentation of this file.

/*
 * $Id: deriv.hpp 236 2012-08-08 19:47:53Z jdl3 $
 * Copyright (C) 2012 John D Lamb
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
 
#ifndef CCGSL_DERIV_HPP
#define CCGSL_DERIV_HPP
 
#include<gsl/gsl_deriv.h>
#include<ccgsl/function_scl.hpp>
 
namespace gsl {
  namespace deriv {
    inline int central( function_scl const& f, double x, double h, double& result,
            double& abserr ){
      return gsl_deriv_central( &f, x, h, &result, &abserr ); }
 
#ifndef DOXYGEN_SKIP
    inline int central( gsl_function const* f, double x, double h, double* result,
            double* abserr ){
      return gsl_deriv_central( f, x, h, result, abserr ); }
#endif /* DOXYGEN_SKIP */
 
    inline int backward( function_scl const& f, double x, double h, double& result,
             double& abserr ){
      return gsl_deriv_backward( &f, x, h, &result, &abserr ); }
 
#ifndef DOXYGEN_SKIP
    inline int backward( gsl_function const* f, double x, double h, double* result,
             double* abserr ){
      return gsl_deriv_backward( f, x, h, result, abserr ); }
#endif /* DOXYGEN_SKIP */
    
    inline int forward( function_scl const& f, double x, double h, double& result,
            double& abserr ){
      return gsl_deriv_forward( &f, x, h, &result, &abserr ); }
 
#ifndef DOXYGEN_SKIP
    inline int forward( gsl_function const* f, double x, double h, double* result,
            double* abserr ){
      return gsl_deriv_forward( f, x, h, result, abserr ); }
#endif /* DOXYGEN_SKIP */
  }
}
#endif