1 files changed, 176 insertions, 0 deletions

diff --git a/external/include/glm/gtc/constants.hpp b/external/include/glm/gtc/constants.hpp
new file mode 100644
index 0000000..d3358c7
--- /dev/null
+++ b/external/include/glm/gtc/constants.hpp
@@ -0,0 +1,176 @@
+/// @ref gtc_constants
+/// @file glm/gtc/constants.hpp
+///
+/// @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 GLM_MESSAGES == GLM_MESSAGES_ENABLED && !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 GLM_CONSTEXPR genType epsilon();
+
+	/// Return 0.
+	/// @see gtc_constants
+	template <typename genType>
+	GLM_FUNC_DECL GLM_CONSTEXPR genType zero();
+
+	/// Return 1.
+	/// @see gtc_constants
+	template <typename genType>
+	GLM_FUNC_DECL GLM_CONSTEXPR genType one();
+
+	/// Return the pi constant.
+	/// @see gtc_constants
+	template <typename genType>
+	GLM_FUNC_DECL GLM_CONSTEXPR genType pi();
+
+	/// Return pi * 2.
+	/// @see gtc_constants
+	template <typename genType>
+	GLM_FUNC_DECL GLM_CONSTEXPR genType two_pi();
+
+	/// Return square root of pi.
+	/// @see gtc_constants
+	template <typename genType>
+	GLM_FUNC_DECL GLM_CONSTEXPR genType root_pi();
+
+	/// Return pi / 2.
+	/// @see gtc_constants
+	template <typename genType>
+	GLM_FUNC_DECL GLM_CONSTEXPR genType half_pi();
+
+	/// Return pi / 2 * 3.
+	/// @see gtc_constants
+	template <typename genType>
+	GLM_FUNC_DECL GLM_CONSTEXPR genType three_over_two_pi();
+
+	/// Return pi / 4.
+	/// @see gtc_constants
+	template <typename genType>
+	GLM_FUNC_DECL GLM_CONSTEXPR genType quarter_pi();
+
+	/// Return 1 / pi.
+	/// @see gtc_constants
+	template <typename genType>
+	GLM_FUNC_DECL GLM_CONSTEXPR genType one_over_pi();
+
+	/// Return 1 / (pi * 2).
+	/// @see gtc_constants
+	template <typename genType>
+	GLM_FUNC_DECL GLM_CONSTEXPR genType one_over_two_pi();
+
+	/// Return 2 / pi.
+	/// @see gtc_constants
+	template <typename genType>
+	GLM_FUNC_DECL GLM_CONSTEXPR genType two_over_pi();
+
+	/// Return 4 / pi.
+	/// @see gtc_constants
+	template <typename genType>
+	GLM_FUNC_DECL GLM_CONSTEXPR genType four_over_pi();
+
+	/// Return 2 / sqrt(pi).
+	/// @see gtc_constants
+	template <typename genType>
+	GLM_FUNC_DECL GLM_CONSTEXPR genType two_over_root_pi();
+
+	/// Return 1 / sqrt(2).
+	/// @see gtc_constants
+	template <typename genType>
+	GLM_FUNC_DECL GLM_CONSTEXPR genType one_over_root_two();
+
+	/// Return sqrt(pi / 2).
+	/// @see gtc_constants
+	template <typename genType>
+	GLM_FUNC_DECL GLM_CONSTEXPR genType root_half_pi();
+
+	/// Return sqrt(2 * pi).
+	/// @see gtc_constants
+	template <typename genType>
+	GLM_FUNC_DECL GLM_CONSTEXPR genType root_two_pi();
+
+	/// Return sqrt(ln(4)).
+	/// @see gtc_constants
+	template <typename genType>
+	GLM_FUNC_DECL GLM_CONSTEXPR genType root_ln_four();
+
+	/// Return e constant.
+	/// @see gtc_constants
+	template <typename genType>
+	GLM_FUNC_DECL GLM_CONSTEXPR genType e();
+
+	/// Return Euler's constant.
+	/// @see gtc_constants
+	template <typename genType>
+	GLM_FUNC_DECL GLM_CONSTEXPR genType euler();
+
+	/// Return sqrt(2).
+	/// @see gtc_constants
+	template <typename genType>
+	GLM_FUNC_DECL GLM_CONSTEXPR genType root_two();
+
+	/// Return sqrt(3).
+	/// @see gtc_constants
+	template <typename genType>
+	GLM_FUNC_DECL GLM_CONSTEXPR genType root_three();
+
+	/// Return sqrt(5).
+	/// @see gtc_constants
+	template <typename genType>
+	GLM_FUNC_DECL GLM_CONSTEXPR genType root_five();
+
+	/// Return ln(2).
+	/// @see gtc_constants
+	template <typename genType>
+	GLM_FUNC_DECL GLM_CONSTEXPR genType ln_two();
+
+	/// Return ln(10).
+	/// @see gtc_constants
+	template <typename genType>
+	GLM_FUNC_DECL GLM_CONSTEXPR genType ln_ten();
+
+	/// Return ln(ln(2)).
+	/// @see gtc_constants
+	template <typename genType>
+	GLM_FUNC_DECL GLM_CONSTEXPR genType ln_ln_two();
+
+	/// Return 1 / 3.
+	/// @see gtc_constants
+	template <typename genType>
+	GLM_FUNC_DECL GLM_CONSTEXPR genType third();
+
+	/// Return 2 / 3.
+	/// @see gtc_constants
+	template <typename genType>
+	GLM_FUNC_DECL GLM_CONSTEXPR genType two_thirds();
+
+	/// Return the golden ratio constant.
+	/// @see gtc_constants
+	template <typename genType>
+	GLM_FUNC_DECL GLM_CONSTEXPR genType golden_ratio();
+
+	/// @}
+} //namespace glm
+
+#include "constants.inl"