pi.h

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/*
 * Copyright 2021 MusicScience37 (Kenta Kabashima)
 *
 * 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
 
#ifdef NUM_COLLECT_DOCUMENTATION
#define NUM_COLLECT_PI 3.14159265358979323846264338327950288419716939937510
#else
// NOLINTNEXTLINE
#define NUM_COLLECT_PI 3.14159265358979323846264338327950288419716939937510
#endif
 
namespace num_collect::constants {
 
template <typename T>
constexpr T pi = static_cast<T>(NUM_COLLECT_PI);
 
constexpr double pid = pi<double>;
 
constexpr float pif = pi<float>;
 
}  // namespace num_collect::constants