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applied workaround for MSVC++ 6.5/7.0 problem with static constants inside templates, see http://lists.boost.org/Archives/boost/2007/10/128392.php

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[SVN r40146]
This commit is contained in:
Joaquín M López Muñoz
2007-10-18 06:57:25 +00:00
parent b9a7ee6deb
commit 0d6a924f94
2 changed files with 11 additions and 5 deletions
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12
include/boost/detail/lcast_precision.hpp
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@@ -21,7 +21,13 @@
#include <boost/type_traits/is_abstract.hpp> #include <boost/type_traits/is_abstract.hpp>
#endif #endif
#ifdef BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS #if defined(BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS) || \
(defined(BOOST_MSVC) && (BOOST_MSVC<1310))
#define BOOST_LCAST_NO_COMPILE_TIME_PRECISION
#endif
#ifdef BOOST_LCAST_NO_COMPILE_TIME_PRECISION
#include <boost/assert.hpp> #include <boost/assert.hpp>
#else #else
#include <boost/static_assert.hpp> #include <boost/static_assert.hpp>
@@ -31,7 +37,7 @@ namespace boost { namespace detail {
class lcast_abstract_stub {}; class lcast_abstract_stub {};
#ifndef BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS #ifndef BOOST_LCAST_NO_COMPILE_TIME_PRECISION
// Calculate an argument to pass to std::ios_base::precision from // Calculate an argument to pass to std::ios_base::precision from
// lexical_cast. See alternative implementation for broken standard // lexical_cast. See alternative implementation for broken standard
// libraries in lcast_get_precision below. Keep them in sync, please. // libraries in lcast_get_precision below. Keep them in sync, please.
@@ -92,7 +98,7 @@ struct lcast_precision
template<class T> template<class T>
inline std::streamsize lcast_get_precision(T* = 0) inline std::streamsize lcast_get_precision(T* = 0)
{ {
#if !defined(BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS) #ifndef BOOST_LCAST_NO_COMPILE_TIME_PRECISION
return lcast_precision<T>::value; return lcast_precision<T>::value;
#else // Follow lcast_precision algorithm at run-time: #else // Follow lcast_precision algorithm at run-time:

4
include/boost/lexical_cast.hpp
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@@ -307,7 +307,7 @@ namespace boost
#undef BOOST_AUX_LEXICAL_CAST_DEF #undef BOOST_AUX_LEXICAL_CAST_DEF
#undef BOOST_AUX_LEXICAL_CAST_DEF1 #undef BOOST_AUX_LEXICAL_CAST_DEF1
#ifndef BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS #ifndef BOOST_LCAST_NO_COMPILE_TIME_PRECISION
// This #if is in sync with lcast_precision // This #if is in sync with lcast_precision
// Helper for floating point types. // Helper for floating point types.
@@ -376,7 +376,7 @@ namespace boost
}; };
#endif // #ifndef DISABLE_WIDE_CHAR_SUPPORT #endif // #ifndef DISABLE_WIDE_CHAR_SUPPORT
#endif // #ifndef BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS #endif // #ifndef BOOST_LCAST_NO_COMPILE_TIME_PRECISION
} }
namespace detail // '0' and '-' constants namespace detail // '0' and '-' constants