// Ceres Solver - A fast non-linear least squares minimizer

// Copyright 2015 Google Inc. All rights reserved.

// http://ceres-solver.org/

//

// Redistribution and use in source and binary forms, with or without

// modification, are permitted provided that the following conditions are met:

//

// * Redistributions of source code must retain the above copyright notice,

//   this list of conditions and the following disclaimer.

// * Redistributions in binary form must reproduce the above copyright notice,

//   this list of conditions and the following disclaimer in the documentation

//   and/or other materials provided with the distribution.

// * Neither the name of Google Inc. nor the names of its contributors may be

//   used to endorse or promote products derived from this software without

//   specific prior written permission.

//

// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE

// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

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// POSSIBILITY OF SUCH DAMAGE.

//

// Author: sameeragarwal@google.com (Sameer Agarwal)

#include <string>

#include "Eigen/Core"

#include "ceres/internal/port.h"

#include "ceres/solver_utils.h"

#include "ceres/version.h"

namespace ceres {

namespace internal {

#define CERES_EIGEN_VERSION                                          \

  CERES_TO_STRING(EIGEN_WORLD_VERSION) "."                           \

  CERES_TO_STRING(EIGEN_MAJOR_VERSION) "."                           \

  CERES_TO_STRING(EIGEN_MINOR_VERSION)

std::string VersionString() {

  std::string value = std::string(CERES_VERSION_STRING);

  value += "-eigen-(" + std::string(CERES_EIGEN_VERSION) + ")";

#ifdef CERES_NO_LAPACK

  value += "-no_lapack";

#else

  value += "-lapack";

#endif

#ifndef CERES_NO_SUITESPARSE

  value += "-suitesparse-(" + std::string(CERES_SUITESPARSE_VERSION) + ")";

#endif

#ifndef CERES_NO_CXSPARSE

  value += "-cxsparse-(" + std::string(CERES_CXSPARSE_VERSION) + ")";

#endif

#ifdef CERES_USE_EIGEN_SPARSE

  value += "-eigensparse";

#endif

#ifdef CERES_RESTRUCT_SCHUR_SPECIALIZATIONS

  value += "-no_schur_specializations";

#endif

#ifdef CERES_USE_OPENMP

  value += "-openmp";

#else

  value += "-no_openmp";

#endif

#ifdef CERES_NO_CUSTOM_BLAS

  value += "-no_custom_blas";

#endif

  return value;

}

}  // namespace internal

}  // namespace ceres