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Diffstat (limited to 'inc/glm/gtc/constants.hpp')
| -rw-r--r-- | inc/glm/gtc/constants.hpp | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/inc/glm/gtc/constants.hpp b/inc/glm/gtc/constants.hpp new file mode 100644 index 0000000..db3e32a --- /dev/null +++ b/inc/glm/gtc/constants.hpp @@ -0,0 +1,205 @@ +///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2015 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+///
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+///
+/// Restrictions:
+/// By making use of the Software for military purposes, you choose to make
+/// a Bunny unhappy.
+///
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtc_constants
+/// @file glm/gtc/constants.hpp
+/// @date 2011-09-30 / 2012-01-25
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtc_half_float (dependence)
+///
+/// @defgroup gtc_constants GLM_GTC_constants
+/// @ingroup gtc
+///
+/// @brief Provide a list of constants and precomputed useful values.
+///
+/// <glm/gtc/constants.hpp> need to be included to use these features.
+///////////////////////////////////////////////////////////////////////////////////
+
+#pragma once
+
+// Dependencies
+#include "../detail/setup.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(GLM_EXT_INCLUDED))
+# pragma message("GLM: GLM_GTC_constants extension included")
+#endif
+
+namespace glm
+{
+ /// @addtogroup gtc_constants
+ /// @{
+
+ /// Return the epsilon constant for floating point types.
+ /// @see gtc_constants
+ template <typename genType>
+ GLM_FUNC_DECL genType epsilon();
+
+ /// Return 0.
+ /// @see gtc_constants
+ template <typename genType>
+ GLM_FUNC_DECL genType zero();
+
+ /// Return 1.
+ /// @see gtc_constants
+ template <typename genType>
+ GLM_FUNC_DECL genType one();
+
+ /// Return the pi constant.
+ /// @see gtc_constants
+ template <typename genType>
+ GLM_FUNC_DECL genType pi();
+
+ /// Return pi * 2.
+ /// @see gtc_constants
+ template <typename genType>
+ GLM_FUNC_DECL genType two_pi();
+
+ /// Return square root of pi.
+ /// @see gtc_constants
+ template <typename genType>
+ GLM_FUNC_DECL genType root_pi();
+
+ /// Return pi / 2.
+ /// @see gtc_constants
+ template <typename genType>
+ GLM_FUNC_DECL genType half_pi();
+
+ /// Return pi / 2 * 3.
+ /// @see gtc_constants
+ template <typename genType>
+ GLM_FUNC_DECL genType three_over_two_pi();
+
+ /// Return pi / 4.
+ /// @see gtc_constants
+ template <typename genType>
+ GLM_FUNC_DECL genType quarter_pi();
+
+ /// Return 1 / pi.
+ /// @see gtc_constants
+ template <typename genType>
+ GLM_FUNC_DECL genType one_over_pi();
+
+ /// Return 1 / (pi * 2).
+ /// @see gtc_constants
+ template <typename genType>
+ GLM_FUNC_DECL genType one_over_two_pi();
+
+ /// Return 2 / pi.
+ /// @see gtc_constants
+ template <typename genType>
+ GLM_FUNC_DECL genType two_over_pi();
+
+ /// Return 4 / pi.
+ /// @see gtc_constants
+ template <typename genType>
+ GLM_FUNC_DECL genType four_over_pi();
+
+ /// Return 2 / sqrt(pi).
+ /// @see gtc_constants
+ template <typename genType>
+ GLM_FUNC_DECL genType two_over_root_pi();
+
+ /// Return 1 / sqrt(2).
+ /// @see gtc_constants
+ template <typename genType>
+ GLM_FUNC_DECL genType one_over_root_two();
+
+ /// Return sqrt(pi / 2).
+ /// @see gtc_constants
+ template <typename genType>
+ GLM_FUNC_DECL genType root_half_pi();
+
+ /// Return sqrt(2 * pi).
+ /// @see gtc_constants
+ template <typename genType>
+ GLM_FUNC_DECL genType root_two_pi();
+
+ /// Return sqrt(ln(4)).
+ /// @see gtc_constants
+ template <typename genType>
+ GLM_FUNC_DECL genType root_ln_four();
+
+ /// Return e constant.
+ /// @see gtc_constants
+ template <typename genType>
+ GLM_FUNC_DECL genType e();
+
+ /// Return Euler's constant.
+ /// @see gtc_constants
+ template <typename genType>
+ GLM_FUNC_DECL genType euler();
+
+ /// Return sqrt(2).
+ /// @see gtc_constants
+ template <typename genType>
+ GLM_FUNC_DECL genType root_two();
+
+ /// Return sqrt(3).
+ /// @see gtc_constants
+ template <typename genType>
+ GLM_FUNC_DECL genType root_three();
+
+ /// Return sqrt(5).
+ /// @see gtc_constants
+ template <typename genType>
+ GLM_FUNC_DECL genType root_five();
+
+ /// Return ln(2).
+ /// @see gtc_constants
+ template <typename genType>
+ GLM_FUNC_DECL genType ln_two();
+
+ /// Return ln(10).
+ /// @see gtc_constants
+ template <typename genType>
+ GLM_FUNC_DECL genType ln_ten();
+
+ /// Return ln(ln(2)).
+ /// @see gtc_constants
+ template <typename genType>
+ GLM_FUNC_DECL genType ln_ln_two();
+
+ /// Return 1 / 3.
+ /// @see gtc_constants
+ template <typename genType>
+ GLM_FUNC_DECL genType third();
+
+ /// Return 2 / 3.
+ /// @see gtc_constants
+ template <typename genType>
+ GLM_FUNC_DECL genType two_thirds();
+
+ /// Return the golden ratio constant.
+ /// @see gtc_constants
+ template <typename genType>
+ GLM_FUNC_DECL genType golden_ratio();
+
+ /// @}
+} //namespace glm
+
+#include "constants.inl"
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