version.in.h

/* Copyright (C) 2020 IBM Corp.
 * This program is Licensed under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *   http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License. See accompanying LICENSE file.
 */
 
#ifndef HELIB_VERSION_H
#define HELIB_VERSION_H
 
namespace helib {
 
struct version
{
 
  // clang-format off
  static constexpr long major = @PROJECT_VERSION_MAJOR@;
  static constexpr long minor = @PROJECT_VERSION_MINOR@;
  static constexpr long patch = @PROJECT_VERSION_PATCH@;
  // clang-format on
 
  static constexpr auto asString = "v@PROJECT_VERSION@";
 
  static inline constexpr bool greaterEquals(long major_,
                                             long minor_ = 0,
                                             long patch_ = 0)
  {
    if (major_ < 0 || minor_ < 0 || patch_ < 0)
      return false;
    long min_version = (((major_ << 8) ^ minor_) << 8) ^ patch_;
    long our_version = (((major << 8) ^ minor) << 8) ^ patch;
    return our_version >= min_version;
  }
 
  static const char* libString();
 
}; // struct version
 
} // namespace helib
 
#endif // HELIB_VERSION_H