| // 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_ |