Move dead submodules in-tree

Signed-off-by: swurl <swurl@swurl.xyz>

externals/oboe/samples/RhythmGame/third_party/glm/gtx/common.hpp

@@ -0,0 +1,53 @@
+/// @ref gtx_common
+/// @file glm/gtx/common.hpp
+///
+/// @see core (dependence)
+/// @see gtc_half_float (dependence)
+///
+/// @defgroup gtx_common GLM_GTX_common
+/// @ingroup gtx
+///
+/// @brief Provide functions to increase the compatibility with Cg and HLSL languages
+///
+/// <glm/gtx/common.hpp> need to be included to use these functionalities.
+
+#pragma once
+
+// Dependencies:
+#include "../vec2.hpp"
+#include "../vec3.hpp"
+#include "../vec4.hpp"
+#include "../gtc/vec1.hpp"
+
+#if GLM_MESSAGES == GLM_MESSAGES_ENABLED && !defined(GLM_EXT_INCLUDED)
+#	pragma message("GLM: GLM_GTX_common extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_common
+	/// @{
+
+	/// Returns true if x is a denormalized number
+	/// Numbers whose absolute value is too small to be represented in the normal format are represented in an alternate, denormalized format.
+	/// This format is less precise but can represent values closer to zero.
+	/// 
+	/// @tparam genType Floating-point scalar or vector types.
+	///
+	/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/isnan.xml">GLSL isnan man page</a>
+	/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.3 Common Functions</a>
+	template <typename genType> 
+	GLM_FUNC_DECL typename genType::bool_type isdenormal(genType const & x);
+
+	/// Similar to 'mod' but with a different rounding and integer support.
+	/// Returns 'x - y * trunc(x/y)' instead of 'x - y * floor(x/y)'
+	/// 
+	/// @see <a href="http://stackoverflow.com/questions/7610631/glsl-mod-vs-hlsl-fmod">GLSL mod vs HLSL fmod</a>
+	/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/mod.xml">GLSL mod man page</a>
+	template <typename T, precision P, template <typename, precision> class vecType>
+	GLM_FUNC_DECL vecType<T, P> fmod(vecType<T, P> const & v);
+
+	/// @}
+}//namespace glm
+
+#include "common.inl"