operation.cuh

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/*
 * Copyright (c) 2023, NVIDIA CORPORATION.
 *
 * 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.
 */
 
#pragma once
 
#include <cuproj/detail/utility/cuda.hpp>
#include <cuproj/projection_parameters.hpp>
 
namespace cuproj {
 
enum operation_type {
  AXIS_SWAP,
  DEGREES_TO_RADIANS,
  CLAMP_ANGULAR_COORDINATES,
  OFFSET_SCALE_CARTESIAN_COORDINATES,
  TRANSVERSE_MERCATOR
};
 
enum direction { FORWARD, INVERSE };
 
inline direction reverse(direction dir)
{
  return dir == direction::FORWARD ? direction::INVERSE : direction::FORWARD;
}
 
template <typename Coordinate, typename T = typename Coordinate::value_type>
class operation {
 public:
  CUPROJ_HOST_DEVICE Coordinate operator()(Coordinate const& c, direction dir) const { return c; }
 
  projection_parameters<T> setup(projection_parameters<T> const& params) { return params; };
};
 
}  // namespace cuproj