text: ///////////////////////////////////////////////////////////////////////////////////
  /// OpenGL Mathematics (glm.g-truc.net)
  ///
  /// Copyright (c) 2005 - 2014 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.
  /// 
  /// 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 core
  /// @file glm/detail/type_float.hpp
  /// @date 2008-08-22 / 2011-06-15
  /// @author Christophe Riccio
  ///////////////////////////////////////////////////////////////////////////////////
  
  #pragma once
  
  #include "setup.hpp"
  
  namespace glm{
  namespace detail
  {
  	typedef float				float32;
  	typedef double				float64;
  }//namespace detail
  	
  	typedef float				lowp_float_t;
  	typedef float				mediump_float_t;
  	typedef double				highp_float_t;
  
  	/// @addtogroup core_precision
  	/// @{
  
  	/// Low precision floating-point numbers. 
  	/// There is no guarantee on the actual precision.
  	/// 
  	/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.1.4 Floats</a>
  	/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.7.2 Precision Qualifier</a>
  	typedef lowp_float_t		lowp_float;
  
  	/// Medium precision floating-point numbers.
  	/// There is no guarantee on the actual precision.
  	/// 
  	/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.1.4 Floats</a>
  	/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.7.2 Precision Qualifier</a>
  	typedef mediump_float_t		mediump_float;
  
  	/// High precision floating-point numbers.
  	/// There is no guarantee on the actual precision.
  	/// 
  	/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.1.4 Floats</a>
  	/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.7.2 Precision Qualifier</a>
  	typedef highp_float_t		highp_float;
  
  #if(!defined(GLM_PRECISION_HIGHP_FLOAT) && !defined(GLM_PRECISION_MEDIUMP_FLOAT) && !defined(GLM_PRECISION_LOWP_FLOAT))
  	typedef mediump_float		float_t;
  #elif(defined(GLM_PRECISION_HIGHP_FLOAT) && !defined(GLM_PRECISION_MEDIUMP_FLOAT) && !defined(GLM_PRECISION_LOWP_FLOAT))
  	typedef highp_float			float_t;
  #elif(!defined(GLM_PRECISION_HIGHP_FLOAT) && defined(GLM_PRECISION_MEDIUMP_FLOAT) && !defined(GLM_PRECISION_LOWP_FLOAT))
  	typedef mediump_float		float_t;
  #elif(!defined(GLM_PRECISION_HIGHP_FLOAT) && !defined(GLM_PRECISION_MEDIUMP_FLOAT) && defined(GLM_PRECISION_LOWP_FLOAT))
  	typedef lowp_float			float_t;
  #else
  #	error "GLM error: multiple default precision requested for floating-point types"
  #endif
  
  	typedef float				float32;
  	typedef double				float64;
  
  ////////////////////
  // check type sizes
  #ifndef GLM_STATIC_ASSERT_NULL
  	GLM_STATIC_ASSERT(sizeof(glm::float32) == 4, "float32 size isn't 4 bytes on this platform");
  	GLM_STATIC_ASSERT(sizeof(glm::float64) == 8, "float64 size isn't 8 bytes on this platform");
  #endif//GLM_STATIC_ASSERT_NULL
  
  	/// @}
  
  }//namespace glm
  