xref: /aosp_15_r20/external/cronet/base/numerics/angle_conversions.h (revision 6777b5387eb2ff775bb5750e3f5d96f37fb7352b)
1*6777b538SAndroid Build Coastguard Worker // Copyright 2024 The Chromium Authors
2*6777b538SAndroid Build Coastguard Worker // Use of this source code is governed by a BSD-style license that can be
3*6777b538SAndroid Build Coastguard Worker // found in the LICENSE file.
4*6777b538SAndroid Build Coastguard Worker 
5*6777b538SAndroid Build Coastguard Worker #ifndef BASE_NUMERICS_ANGLE_CONVERSIONS_H_
6*6777b538SAndroid Build Coastguard Worker #define BASE_NUMERICS_ANGLE_CONVERSIONS_H_
7*6777b538SAndroid Build Coastguard Worker 
8*6777b538SAndroid Build Coastguard Worker #include <concepts>
9*6777b538SAndroid Build Coastguard Worker #include <numbers>
10*6777b538SAndroid Build Coastguard Worker 
11*6777b538SAndroid Build Coastguard Worker namespace base {
12*6777b538SAndroid Build Coastguard Worker 
13*6777b538SAndroid Build Coastguard Worker template <typename T>
14*6777b538SAndroid Build Coastguard Worker   requires std::floating_point<T>
DegToRad(T deg)15*6777b538SAndroid Build Coastguard Worker constexpr T DegToRad(T deg) {
16*6777b538SAndroid Build Coastguard Worker   return deg * std::numbers::pi_v<T> / 180;
17*6777b538SAndroid Build Coastguard Worker }
18*6777b538SAndroid Build Coastguard Worker 
19*6777b538SAndroid Build Coastguard Worker template <typename T>
20*6777b538SAndroid Build Coastguard Worker   requires std::floating_point<T>
RadToDeg(T rad)21*6777b538SAndroid Build Coastguard Worker constexpr T RadToDeg(T rad) {
22*6777b538SAndroid Build Coastguard Worker   return rad * 180 / std::numbers::pi_v<T>;
23*6777b538SAndroid Build Coastguard Worker }
24*6777b538SAndroid Build Coastguard Worker 
25*6777b538SAndroid Build Coastguard Worker }  // namespace base
26*6777b538SAndroid Build Coastguard Worker 
27*6777b538SAndroid Build Coastguard Worker #endif  // BASE_NUMERICS_ANGLE_CONVERSIONS_H_
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