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d83fbb965a
This came up as I was [debugging failures on Windows](https://ci.chromium.org/p/flutter/builders/try/Windows%20Host%20Engine/30618?) due to use of the non-portable constants. Fixes https://github.com/flutter/flutter/issues/82216
49 lines
1.0 KiB
C++
49 lines
1.0 KiB
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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namespace flutter {
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namespace math {
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// e
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constexpr float kE = 2.7182818284590452354;
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// log_2 e
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constexpr float kLog2_E = 1.4426950408889634074;
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// log_10 e
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constexpr float kLog10_E = 0.43429448190325182765;
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// log_e 2
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constexpr float klogE_2 = 0.69314718055994530942;
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// log_e 10
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constexpr float klogE_10 = 2.30258509299404568402;
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// pi
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constexpr float kPi = 3.14159265358979323846;
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// pi/2
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constexpr float kPiOver2 = 1.57079632679489661923;
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// pi/4
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constexpr float kPiOver4 = 0.78539816339744830962;
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// 1/pi
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constexpr float k1OverPi = 0.31830988618379067154;
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// 2/pi
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constexpr float k2OverPi = 0.63661977236758134308;
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// 2/sqrt(pi)
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constexpr float k2OverSqrtPi = 1.12837916709551257390;
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// sqrt(2)
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constexpr float kSqrt2 = 1.41421356237309504880;
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// 1/sqrt(2)
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constexpr float k1OverSqrt2 = 0.70710678118654752440;
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} // namespace math
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} // namespace flutter
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