interp_func.hpp

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// Copyright (c) 2024 Andrea Enrico Franzoni (andreaenrico.franzoni@gmail.com)
//
// This file is part of PPCKO
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of PPCKO and associated documentation files (the PPCKO software), to deal
// PPCKO without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of PPCKO, and to permit persons to whom PPCKO is
// furnished to do so, subject to the following conditions:
//
// PPCKO IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH PPCKO OR THE USE OR OTHER DEALINGS IN
// PPCKO.
 
#ifndef INTEGRAND_INTERP_L2_SCALAR_PROD_HPP
#define INTEGRAND_INTERP_L2_SCALAR_PROD_HPP
 
#include <vector>
#include <functional>
 
#include "interp1D_util.hpp"

 

struct interp_func
{
  std::vector<double> grid_eval;  

  double operator()(const double &x, const std::vector<double> &evals)
  {
    return apsc::interp1D(grid_eval, evals, x);
  }
};
 
#endif  //INTEGRAND_INTERP_L2_SCALAR_PROD_HPP