2013-07-16 06:42:44 +00:00
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///////////////////////////////////////////////////////////////////////////////////
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/// OpenGL Mathematics (glm.g-truc.net)
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///
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2014-02-17 18:42:52 +00:00
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/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
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2013-07-16 06:42:44 +00:00
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/// Permission is hereby granted, free of charge, to any person obtaining a copy
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/// of this software and associated documentation files (the "Software"), to deal
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/// in the Software without restriction, including without limitation the rights
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/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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/// copies of the Software, and to permit persons to whom the Software is
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/// 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 THE
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/// 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 FROM,
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/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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/// THE SOFTWARE.
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///
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/// @ref gtx_constants
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/// @file glm/gtx/constants.inl
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/// @date 2011-10-14 / 2012-01-25
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/// @author Christophe Riccio
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///////////////////////////////////////////////////////////////////////////////////
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namespace glm
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{
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template <typename genType>
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GLM_FUNC_QUALIFIER genType epsilon()
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{
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return std::numeric_limits<genType>::epsilon();
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}
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template <>
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GLM_FUNC_QUALIFIER half epsilon()
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{
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return half(1.19209290e-007);
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}
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template <typename genType>
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GLM_FUNC_QUALIFIER genType zero()
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{
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return genType(0);
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}
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template <typename genType>
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GLM_FUNC_QUALIFIER genType one()
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{
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return genType(1);
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}
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template <typename genType>
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GLM_FUNC_QUALIFIER genType pi()
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{
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return genType(3.14159265358979323846264338327950288);
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}
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template <typename genType>
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GLM_FUNC_QUALIFIER genType root_pi()
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{
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return genType(1.772453850905516027);
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}
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template <typename genType>
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GLM_FUNC_QUALIFIER genType half_pi()
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{
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return genType(1.57079632679489661923132169163975144);
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}
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template <typename genType>
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GLM_FUNC_QUALIFIER genType quarter_pi()
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{
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return genType(0.785398163397448309615660845819875721);
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}
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template <typename genType>
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GLM_FUNC_QUALIFIER genType one_over_pi()
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{
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return genType(0.318309886183790671537767526745028724);
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}
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template <typename genType>
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GLM_FUNC_QUALIFIER genType two_over_pi()
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{
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return genType(0.636619772367581343075535053490057448);
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}
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template <typename genType>
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GLM_FUNC_QUALIFIER genType two_over_root_pi()
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{
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return genType(1.12837916709551257389615890312154517);
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}
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template <typename genType>
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GLM_FUNC_QUALIFIER genType one_over_root_two()
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{
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return genType(0.707106781186547524400844362104849039);
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}
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template <typename genType>
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GLM_FUNC_QUALIFIER genType root_half_pi()
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{
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return genType(1.253314137315500251);
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}
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template <typename genType>
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GLM_FUNC_QUALIFIER genType root_two_pi()
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{
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return genType(2.506628274631000502);
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}
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template <typename genType>
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GLM_FUNC_QUALIFIER genType root_ln_four()
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{
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return genType(1.17741002251547469);
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}
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template <typename genType>
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GLM_FUNC_QUALIFIER genType e()
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{
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return genType(2.71828182845904523536);
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}
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template <typename genType>
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GLM_FUNC_QUALIFIER genType euler()
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{
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return genType(0.577215664901532860606);
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}
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template <typename genType>
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GLM_FUNC_QUALIFIER genType root_two()
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{
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return genType(1.41421356237309504880168872420969808);
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}
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template <typename genType>
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GLM_FUNC_QUALIFIER genType root_three()
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{
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return genType(1.73205080756887729352744634150587236);
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}
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template <typename genType>
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GLM_FUNC_QUALIFIER genType root_five()
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{
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return genType(2.23606797749978969640917366873127623);
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}
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template <typename genType>
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GLM_FUNC_QUALIFIER genType ln_two()
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{
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return genType(0.693147180559945309417232121458176568);
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}
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template <typename genType>
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GLM_FUNC_QUALIFIER genType ln_ten()
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{
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return genType(2.30258509299404568401799145468436421);
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}
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template <typename genType>
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GLM_FUNC_QUALIFIER genType ln_ln_two()
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{
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return genType(-0.3665129205816643);
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}
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template <typename genType>
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GLM_FUNC_QUALIFIER genType third()
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{
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return genType(0.3333333333333333333333333333333333333333);
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}
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template <typename genType>
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GLM_FUNC_QUALIFIER genType two_thirds()
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{
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return genType(0.666666666666666666666666666666666666667);
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}
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template <typename genType>
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GLM_FUNC_QUALIFIER genType golden_ratio()
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{
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return genType(1.61803398874989484820458683436563811);
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}
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} //namespace glm
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