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Ruta de la carpeta: \\game3dprogramming\materials\GameFactory\GameFactoryDemo\references\boost_1_35_0\boost\math\special_functions\hypot.hpp
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// (C) Copyright John Maddock 2005-2006. // Use, modification and distribution are subject to the // Boost Software License, Version 1.0. (See accompanying file // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) #ifndef BOOST_MATH_HYPOT_INCLUDED #define BOOST_MATH_HYPOT_INCLUDED #include
#include
#include
#include
#include
#include
// for swap #ifdef BOOST_NO_STDC_NAMESPACE namespace std{ using ::sqrt; using ::fabs; } #endif namespace boost{ namespace math{ namespace detail{ template
T hypot_imp(T x, T y, const Policy& pol) { // // Normalize x and y, so that both are positive and x >= y: // using std::fabs; using std::sqrt; // ADL of std names x = fabs(x); y = fabs(y); #ifdef BOOST_MSVC #pragma warning(push) #pragma warning(disable: 4127) #endif // special case, see C99 Annex F: if(std::numeric_limits
::has_infinity && ((x == std::numeric_limits
::infinity()) || (y == std::numeric_limits
::infinity()))) return policies::raise_overflow_error
("boost::math::hypot<%1%>(%1%,%1%)", 0, pol); #ifdef BOOST_MSVC #pragma warning(pop) #endif if(y > x) (std::swap)(x, y); if(x * tools::epsilon
() >= y) return x; T rat = y / x; return x * sqrt(1 + rat*rat); } // template
T hypot(T x, T y) } template
inline typename tools::promote_args
::type hypot(T1 x, T2 y) { typedef typename tools::promote_args
::type result_type; return detail::hypot_imp( static_cast
(x), static_cast
(y), policies::policy<>()); } template
inline typename tools::promote_args
::type hypot(T1 x, T2 y, const Policy& pol) { typedef typename tools::promote_args
::type result_type; return detail::hypot_imp( static_cast
(x), static_cast
(y), pol); } } // namespace math } // namespace boost #endif // BOOST_MATH_HYPOT_INCLUDED
hypot.hpp
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