1 // Copyright 2017 The Chromium Authors 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef BASE_NUMERICS_MATH_CONSTANTS_H_ 6 #define BASE_NUMERICS_MATH_CONSTANTS_H_ 7 8 namespace base { 9 // The mean acceleration due to gravity on Earth in m/s^2. 10 constexpr double kMeanGravityDouble = 9.80665; 11 constexpr float kMeanGravityFloat = 9.80665f; 12 13 } // namespace base 14 15 #endif // BASE_NUMERICS_MATH_CONSTANTS_H_ 16