createBsplineReader.h

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//////////////////////////////////////////////////////////////////////////////////////
// This file is distributed under the University of Illinois/NCSA Open Source License.
// See LICENSE file in top directory for details.
//
// Copyright (c) 2019 QMCPACK developers.
//
// File developed by: Ye Luo, yeluo@anl.gov, Argonne National Laboratory
//
// File created by: Ye Luo, yeluo@anl.gov, Argonne National Laboratory
//////////////////////////////////////////////////////////////////////////////////////


#ifndef QMCPLUSPLUS_CREATE_BSPLINE_READER_H
#define QMCPLUSPLUS_CREATE_BSPLINE_READER_H

#include <memory>
#include <string>

namespace qmcplusplus
{
///forward declaration
struct BsplineReader;
class EinsplineSetBuilder;

template<typename ST>
struct SplineStoragePrecision;

template<>
struct SplineStoragePrecision<float>
{
  constexpr static std::string_view value = "single";
};

template<>
struct SplineStoragePrecision<double>
{
  constexpr static std::string_view value = "double";
};

/** create a reader which handles complex (double size real) splines, C2R or C2C case
 *  spline storage and computation precision is double
 */
std::unique_ptr<BsplineReader> createBsplineComplex(EinsplineSetBuilder* e,
                                                    bool use_single,
                                                    bool hybrid_rep,
                                                    const std::string& useGPU);

/** create a reader which handles real splines, R2R case
 *  spline storage and computation precision is double
 */
std::unique_ptr<BsplineReader> createBsplineReal(EinsplineSetBuilder* e,
                                                 bool use_single,
                                                 bool hybrid_rep,
                                                 const std::string& useGPU);

} // namespace qmcplusplus
#endif