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.
  /// 
  /// 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 gtx_string_cast
  /// @file glm/gtx/string_cast.inl
  /// @date 2008-04-26 / 2014-05-10
  /// @author Christophe Riccio
  ///////////////////////////////////////////////////////////////////////////////////
  
  #include <cstdarg>
  #include <cstdio>
  
  namespace glm{
  namespace detail
  {
  	GLM_FUNC_QUALIFIER std::string format(const char* msg, ...)
  	{
  		std::size_t const STRING_BUFFER(4096);
  		char text[STRING_BUFFER];
  		va_list list;
  
  		if(msg == 0)
  			return std::string();
  
  		va_start(list, msg);
  #		if(GLM_COMPILER & GLM_COMPILER_VC)
  			vsprintf_s(text, STRING_BUFFER, msg, list);
  #		else//
  			vsprintf(text, msg, list);
  #		endif//
  		va_end(list);
  
  		return std::string(text);
  	}
  
  	static const char* True = "true";
  	static const char* False = "false";
  
  	template <typename T>
  	struct prefix{};
  
  	template <>
  	struct prefix<float>
  	{
  		static char const * value() {return "";};
  	};
  
  	template <>
  	struct prefix<double>
  	{
  		static char const * value() {return "d";};
  	};
  
  	template <>
  	struct prefix<bool>
  	{
  		static char const * value() {return "b";};
  	};
  
  	template <>
  	struct prefix<uint8_t>
  	{
  		static char const * value() {return "u8";};
  	};
  
  	template <>
  	struct prefix<int8_t>
  	{
  		static char const * value() {return "i8";};
  	};
  
  	template <>
  	struct prefix<uint16_t>
  	{
  		static char const * value() {return "u16";};
  	};
  
  	template <>
  	struct prefix<int16_t>
  	{
  		static char const * value() {return "i16";};
  	};
  
  	template <>
  	struct prefix<uint32_t>
  	{
  		static char const * value() {return "u";};
  	};
  
  	template <>
  	struct prefix<int32_t>
  	{
  		static char const * value() {return "i";};
  	};
  
  	template <>
  	struct prefix<uint64_t>
  	{
  		static char const * value() {return "u64";};
  	};
  
  	template <>
  	struct prefix<int64_t>
  	{
  		static char const * value() {return "i64";};
  	};
  
  	template <template <typename, precision> class matType, typename T, precision P>
  	struct compute_to_string
  	{};
  
  	template <precision P>
  	struct compute_to_string<tvec1, bool, P>
  	{
  		GLM_FUNC_QUALIFIER static std::string call(tvec1<bool, P> const & x)
  		{
  			return detail::format("bvec1(%s)",
  				x[0] ? detail::True : detail::False);
  		}
  	};
  
  	template <precision P>
  	struct compute_to_string<tvec2, bool, P>
  	{
  		GLM_FUNC_QUALIFIER static std::string call(tvec2<bool, P> const & x)
  		{
  			return detail::format("bvec2(%s, %s)",
  				x[0] ? detail::True : detail::False,
  				x[1] ? detail::True : detail::False);
  		}
  	};
  
  	template <precision P>
  	struct compute_to_string<tvec3, bool, P>
  	{
  		GLM_FUNC_QUALIFIER static std::string call(tvec3<bool, P> const & x)
  		{
  			return detail::format("bvec3(%s, %s, %s)",
  				x[0] ? detail::True : detail::False,
  				x[1] ? detail::True : detail::False,
  				x[2] ? detail::True : detail::False);
  		}
  	};
  
  	template <precision P>
  	struct compute_to_string<tvec4, bool, P>
  	{
  		GLM_FUNC_QUALIFIER static std::string call(tvec4<bool, P> const & x)
  		{
  			return detail::format("bvec4(%s, %s, %s, %s)",
  				x[0] ? detail::True : detail::False,
  				x[1] ? detail::True : detail::False,
  				x[2] ? detail::True : detail::False,
  				x[3] ? detail::True : detail::False);
  		}
  	};
  
  	template <typename T, precision P>
  	struct compute_to_string<tvec1, T, P>
  	{
  		GLM_FUNC_QUALIFIER static std::string call(tvec1<T, P> const & x)
  		{
  			char const * PrefixStr = prefix<T>::value();
  			char const * LiteralStr = std::numeric_limits<T>::is_iec559 ? "%f" : "%d";
  			std::string FormatStr(detail::format("%svec1(%s)",
  				PrefixStr,
  				LiteralStr));
  
  			return detail::format(FormatStr.c_str(), x[0]);
  		}
  	};
  
  	template <typename T, precision P>
  	struct compute_to_string<tvec2, T, P>
  	{
  		GLM_FUNC_QUALIFIER static std::string call(tvec2<T, P> const & x)
  		{
  			char const * PrefixStr = prefix<T>::value();
  			char const * LiteralStr = std::numeric_limits<T>::is_iec559 ? "%f" : "%d";
  			std::string FormatStr(detail::format("%svec2(%s, %s)",
  				PrefixStr,
  				LiteralStr, LiteralStr));
  
  			return detail::format(FormatStr.c_str(), x[0], x[1]);
  		}
  	};
  
  	template <typename T, precision P>
  	struct compute_to_string<tvec3, T, P>
  	{
  		GLM_FUNC_QUALIFIER static std::string call(tvec3<T, P> const & x)
  		{
  			char const * PrefixStr = prefix<T>::value();
  			char const * LiteralStr = std::numeric_limits<T>::is_iec559 ? "%f" : "%d";
  			std::string FormatStr(detail::format("%svec3(%s, %s, %s)",
  				PrefixStr,
  				LiteralStr, LiteralStr, LiteralStr));
  
  			return detail::format(FormatStr.c_str(), x[0], x[1], x[2]);
  		}
  	};
  
  	template <typename T, precision P>
  	struct compute_to_string<tvec4, T, P>
  	{
  		GLM_FUNC_QUALIFIER static std::string call(tvec4<T, P> const & x)
  		{
  			char const * PrefixStr = prefix<T>::value();
  			char const * LiteralStr = std::numeric_limits<T>::is_iec559 ? "%f" : "%d";
  			std::string FormatStr(detail::format("%svec4(%s, %s, %s, %s)",
  				PrefixStr,
  				LiteralStr, LiteralStr, LiteralStr, LiteralStr));
  
  			return detail::format(FormatStr.c_str(), x[0], x[1], x[2], x[3]);
  		}
  	};
  
  
  	template <typename T, precision P>
  	struct compute_to_string<tmat2x2, T, P>
  	{
  		GLM_FUNC_QUALIFIER static std::string call(tmat2x2<T, P> const & x)
  		{
  			char const * PrefixStr = prefix<T>::value();
  			char const * LiteralStr = std::numeric_limits<T>::is_iec559 ? "%f" : "%d";
  			std::string FormatStr(detail::format("%smat2x2((%s, %s), (%s, %s))",
  				PrefixStr,
  				LiteralStr, LiteralStr,
  				LiteralStr, LiteralStr));
  
  			return detail::format(FormatStr.c_str(),
  				x[0][0], x[0][1],
  				x[1][0], x[1][1]);
  		}
  	};
  
  	template <typename T, precision P>
  	struct compute_to_string<tmat2x3, T, P>
  	{
  		GLM_FUNC_QUALIFIER static std::string call(tmat2x3<T, P> const & x)
  		{
  			char const * PrefixStr = prefix<T>::value();
  			char const * LiteralStr = std::numeric_limits<T>::is_iec559 ? "%f" : "%d";
  			std::string FormatStr(detail::format("%smat2x3((%s, %s, %s), (%s, %s, %s))",
  				PrefixStr,
  				LiteralStr, LiteralStr, LiteralStr,
  				LiteralStr, LiteralStr, LiteralStr));
  
  			return detail::format(FormatStr.c_str(),
  				x[0][0], x[0][1], x[0][2],
  				x[1][0], x[1][1], x[1][2]);
  		}
  	};
  
  	template <typename T, precision P>
  	struct compute_to_string<tmat2x4, T, P>
  	{
  		GLM_FUNC_QUALIFIER static std::string call(tmat2x4<T, P> const & x)
  		{
  			char const * PrefixStr = prefix<T>::value();
  			char const * LiteralStr = std::numeric_limits<T>::is_iec559 ? "%f" : "%d";
  			std::string FormatStr(detail::format("%smat2x4((%s, %s, %s, %s), (%s, %s, %s, %s))",
  				PrefixStr,
  				LiteralStr, LiteralStr, LiteralStr, LiteralStr,
  				LiteralStr, LiteralStr, LiteralStr, LiteralStr));
  
  			return detail::format(FormatStr.c_str(),
  				x[0][0], x[0][1], x[0][2], x[0][3],
  				x[1][0], x[1][1], x[1][2], x[1][3]);
  		}
  	};
  
  	template <typename T, precision P>
  	struct compute_to_string<tmat3x2, T, P>
  	{
  		GLM_FUNC_QUALIFIER static std::string call(tmat3x2<T, P> const & x)
  		{
  			char const * PrefixStr = prefix<T>::value();
  			char const * LiteralStr = std::numeric_limits<T>::is_iec559 ? "%f" : "%d";
  			std::string FormatStr(detail::format("%smat3x2((%s, %s), (%s, %s), (%s, %s))",
  				PrefixStr,
  				LiteralStr, LiteralStr,
  				LiteralStr, LiteralStr,
  				LiteralStr, LiteralStr));
  
  			return detail::format(FormatStr.c_str(),
  				x[0][0], x[0][1],
  				x[1][0], x[1][1],
  				x[2][0], x[2][1]);
  		}
  	};
  
  	template <typename T, precision P>
  	struct compute_to_string<tmat3x3, T, P>
  	{
  		GLM_FUNC_QUALIFIER static std::string call(tmat3x3<T, P> const & x)
  		{
  			char const * PrefixStr = prefix<T>::value();
  			char const * LiteralStr = std::numeric_limits<T>::is_iec559 ? "%f" : "%d";
  			std::string FormatStr(detail::format("%smat3x3((%s, %s, %s), (%s, %s, %s), (%s, %s, %s))",
  				PrefixStr,
  				LiteralStr, LiteralStr, LiteralStr,
  				LiteralStr, LiteralStr, LiteralStr,
  				LiteralStr, LiteralStr, LiteralStr));
  
  			return detail::format(FormatStr.c_str(),
  				x[0][0], x[0][1], x[0][2],
  				x[1][0], x[1][1], x[1][2],
  				x[2][0], x[2][1], x[2][2]);
  		}
  	};
  
  	template <typename T, precision P>
  	struct compute_to_string<tmat3x4, T, P>
  	{
  		GLM_FUNC_QUALIFIER static std::string call(tmat3x4<T, P> const & x)
  		{
  			char const * PrefixStr = prefix<T>::value();
  			char const * LiteralStr = std::numeric_limits<T>::is_iec559 ? "%f" : "%d";
  			std::string FormatStr(detail::format("%smat3x4((%s, %s, %s, %s), (%s, %s, %s, %s), (%s, %s, %s, %s))",
  				PrefixStr,
  				LiteralStr, LiteralStr, LiteralStr, LiteralStr,
  				LiteralStr, LiteralStr, LiteralStr, LiteralStr,
  				LiteralStr, LiteralStr, LiteralStr, LiteralStr));
  
  			return detail::format(FormatStr.c_str(),
  				x[0][0], x[0][1], x[0][2], x[0][3],
  				x[1][0], x[1][1], x[1][2], x[1][3],
  				x[2][0], x[2][1], x[2][2], x[2][3]);
  		}
  	};
  
  	template <typename T, precision P>
  	struct compute_to_string<tmat4x2, T, P>
  	{
  		GLM_FUNC_QUALIFIER static std::string call(tmat4x2<T, P> const & x)
  		{
  			char const * PrefixStr = prefix<T>::value();
  			char const * LiteralStr = std::numeric_limits<T>::is_iec559 ? "%f" : "%d";
  			std::string FormatStr(detail::format("%smat4x2((%s, %s), (%s, %s), (%s, %s), (%s, %s))",
  				PrefixStr,
  				LiteralStr, LiteralStr,
  				LiteralStr, LiteralStr,
  				LiteralStr, LiteralStr,
  				LiteralStr, LiteralStr));
  
  			return detail::format(FormatStr.c_str(),
  				x[0][0], x[0][1],
  				x[1][0], x[1][1],
  				x[2][0], x[2][1],
  				x[3][0], x[3][1]);
  		}
  	};
  
  	template <typename T, precision P>
  	struct compute_to_string<tmat4x3, T, P>
  	{
  		GLM_FUNC_QUALIFIER static std::string call(tmat4x3<T, P> const & x)
  		{
  			char const * PrefixStr = prefix<T>::value();
  			char const * LiteralStr = std::numeric_limits<T>::is_iec559 ? "%f" : "%d";
  			std::string FormatStr(detail::format("%smat4x3((%s, %s, %s), (%s, %s, %s), (%s, %s, %s), (%s, %s, %s))",
  				PrefixStr,
  				LiteralStr, LiteralStr, LiteralStr,
  				LiteralStr, LiteralStr, LiteralStr,
  				LiteralStr, LiteralStr, LiteralStr,
  				LiteralStr, LiteralStr, LiteralStr));
  
  			return detail::format(FormatStr.c_str(),
  				x[0][0], x[0][1], x[0][2],
  				x[1][0], x[1][1], x[1][2],
  				x[2][0], x[2][1], x[2][2],
  				x[3][0], x[3][1], x[3][2]);
  		}
  	};
  
  	template <typename T, precision P>
  	struct compute_to_string<tmat4x4, T, P>
  	{
  		GLM_FUNC_QUALIFIER static std::string call(tmat4x4<T, P> const & x)
  		{
  			char const * PrefixStr = prefix<T>::value();
  			char const * LiteralStr = std::numeric_limits<T>::is_iec559 ? "%f" : "%d";
  			std::string FormatStr(detail::format("%smat4x4((%s, %s, %s, %s), (%s, %s, %s, %s), (%s, %s, %s, %s), (%s, %s, %s, %s))",
  				PrefixStr,
  				LiteralStr, LiteralStr, LiteralStr, LiteralStr,
  				LiteralStr, LiteralStr, LiteralStr, LiteralStr,
  				LiteralStr, LiteralStr, LiteralStr, LiteralStr,
  				LiteralStr, LiteralStr, LiteralStr, LiteralStr));
  
  			return detail::format(FormatStr.c_str(),
  				x[0][0], x[0][1], x[0][2], x[0][3],
  				x[1][0], x[1][1], x[1][2], x[1][3],
  				x[2][0], x[2][1], x[2][2], x[2][3],
  				x[3][0], x[3][1], x[3][2], x[3][3]);
  		}
  	};
  }//namespace detail
  
  template <template <typename, precision> class matType, typename T, precision P>
  GLM_FUNC_DECL std::string to_string(matType<T, P> const & x)
  {
  	return detail::compute_to_string<matType, T, P>::call(x);
  }
  
  }//namespace glm
  