62 lines
3.3 KiB
C
62 lines
3.3 KiB
C
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//----------------------------------------------------------------------------//
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// //
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// ozz-animation is hosted at http://github.com/guillaumeblanc/ozz-animation //
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// and distributed under the MIT License (MIT). //
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// //
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// Copyright (c) Guillaume Blanc //
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// //
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// Permission is hereby granted, free of charge, to any person obtaining a //
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// copy of this software and associated documentation files (the "Software"), //
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// to deal in the Software without restriction, including without limitation //
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// the rights to use, copy, modify, merge, publish, distribute, sublicense, //
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// and/or sell copies of the Software, and to permit persons to whom the //
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// Software is furnished to do so, subject to the following conditions: //
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// //
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// The above copyright notice and this permission notice shall be included in //
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// all copies or substantial portions of the Software. //
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// //
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR //
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, //
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL //
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER //
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING //
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER //
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// DEALINGS IN THE SOFTWARE. //
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// //
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//----------------------------------------------------------------------------//
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#ifndef OZZ_OZZ_BASE_MATHS_MATH_CONSTANT_H_
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#define OZZ_OZZ_BASE_MATHS_MATH_CONSTANT_H_
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#ifndef INCLUDE_OZZ_MATH_CONSTANT_H_
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#define INCLUDE_OZZ_MATH_CONSTANT_H_
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namespace ozz {
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namespace math {
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// Defines math trigonometric constants.
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static const float k2Pi = 6.283185307179586476925286766559f;
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static const float kPi = 3.1415926535897932384626433832795f;
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static const float kPi_2 = 1.5707963267948966192313216916398f;
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static const float kPi_4 = .78539816339744830961566084581988f;
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static const float kSqrt3 = 1.7320508075688772935274463415059f;
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static const float kSqrt3_2 = 0.86602540378443864676372317075294f;
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static const float kSqrt2 = 1.4142135623730950488016887242097f;
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static const float kSqrt2_2 = 0.70710678118654752440084436210485f;
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// Angle unit conversion constants.
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static const float kDegreeToRadian = kPi / 180.f;
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static const float kRadianToDegree = 180.f / kPi;
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// Defines the square normalization tolerance value.
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static const float kNormalizationToleranceSq = 1e-6f;
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static const float kNormalizationToleranceEstSq = 2e-3f;
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// Defines the square orthogonalisation tolerance value.
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static const float kOrthogonalisationToleranceSq = 1e-16f;
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} // namespace math
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} // namespace ozz
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#endif // INCLUDE_OZZ_MATH_CONSTANT_H_
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#endif // OZZ_OZZ_BASE_MATHS_MATH_CONSTANT_H_
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