math_constants.h

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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
#ifndef BASE_NUMERICS_MATH_CONSTANTS_H_
#define BASE_NUMERICS_MATH_CONSTANTS_H_
 
namespace base {
 
constexpr double kPiDouble = 3.14159265358979323846;
constexpr float kPiFloat = 3.14159265358979323846f;
 
// The mean acceleration due to gravity on Earth in m/s^2.
constexpr double kMeanGravityDouble = 9.80665;
constexpr float kMeanGravityFloat = 9.80665f;
 
}  // namespace base
 
#endif  // BASE_NUMERICS_MATH_CONSTANTS_H_