GridTraits.h

Go to the documentation of this file.

//////////////////////////////////////////////////////////////////////////////////////
// This file is distributed under the University of Illinois/NCSA Open Source License.
// See LICENSE file in top directory for details.
//
// Copyright (c) 2016 Jeongnim Kim and QMCPACK developers.
//
// File developed by: Jeongnim Kim, jeongnim.kim@gmail.com, University of Illinois at Urbana-Champaign
//                    Jeremy McMinnis, jmcminis@gmail.com, University of Illinois at Urbana-Champaign
//
// File created by: Jeongnim Kim, jeongnim.kim@gmail.com, University of Illinois at Urbana-Champaign
//////////////////////////////////////////////////////////////////////////////////////


/** @file GridTraits.h
 *
 * Define data types for any GridType
 */
#ifndef QMCPLUSPLUS_ONEDIMENSIONALGRID_TRAITS_H
#define QMCPLUSPLUS_ONEDIMENSIONALGRID_TRAITS_H
#include <vector>
#include <complex>
#include <limits>

/** enumeration of one-dimensional grid type
 */
enum
{
  LINEAR_1DGRID,
  LOG_1DGRID,
  LOGZERO_1DGRID,
  CUSTOM_1DGRID
};

/** enumeration of boundary conditions
 */
enum
{
  PBC_CONSTRAINTS,
  FIRSTDERIV_CONSTRAINTS,
  NATURAL_CONSTRAINTS
};

template<class T>
struct GridTraits
{};

template<>
struct GridTraits<double>
{
  using point_type = double;
  using value_type = double;
};

template<>
struct GridTraits<std::complex<double>>
{
  using point_type = double;
  using value_type = std::complex<double>;
};

template<>
struct GridTraits<float>
{
  using point_type = float;
  using value_type = float;
};

template<>
struct GridTraits<std::complex<float>>
{
  using point_type = float;
  using value_type = std::complex<float>;
};
#endif