--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ossrv_pub/boost_apis/boost/integer.hpp Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,127 @@
+// boost integer.hpp header file -------------------------------------------//
+
+// Copyright Beman Dawes and Daryle Walker 1999. Distributed under 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)
+
+// See http://www.boost.org/libs/integer for documentation.
+
+// Revision History
+// 22 Sep 01 Added value-based integer templates. (Daryle Walker)
+// 01 Apr 01 Modified to use new <boost/limits.hpp> header. (John Maddock)
+// 30 Jul 00 Add typename syntax fix (Jens Maurer)
+// 28 Aug 99 Initial version
+
+#ifndef BOOST_INTEGER_HPP
+#define BOOST_INTEGER_HPP
+
+#include <boost/integer_fwd.hpp> // self include
+
+#include <boost/integer_traits.hpp> // for boost::integer_traits
+#include <boost/limits.hpp> // for std::numeric_limits
+
+namespace boost
+{
+
+ // Helper templates ------------------------------------------------------//
+
+ // fast integers from least integers
+ // int_fast_t<> works correctly for unsigned too, in spite of the name.
+ template< typename LeastInt >
+ struct int_fast_t { typedef LeastInt fast; }; // imps may specialize
+
+ // convert category to type
+ template< int Category > struct int_least_helper {}; // default is empty
+
+ // specializatons: 1=long, 2=int, 3=short, 4=signed char,
+ // 6=unsigned long, 7=unsigned int, 8=unsigned short, 9=unsigned long
+ // no specializations for 0 and 5: requests for a type > long are in error
+ template<> struct int_least_helper<1> { typedef long least; };
+ template<> struct int_least_helper<2> { typedef int least; };
+ template<> struct int_least_helper<3> { typedef short least; };
+ template<> struct int_least_helper<4> { typedef signed char least; };
+ template<> struct int_least_helper<6> { typedef unsigned long least; };
+ template<> struct int_least_helper<7> { typedef unsigned int least; };
+ template<> struct int_least_helper<8> { typedef unsigned short least; };
+ template<> struct int_least_helper<9> { typedef unsigned char least; };
+
+ // integer templates specifying number of bits ---------------------------//
+
+ // signed
+ template< int Bits > // bits (including sign) required
+ struct int_t
+ {
+ typedef typename int_least_helper
+ <
+ (Bits-1 <= std::numeric_limits<long>::digits) +
+ (Bits-1 <= std::numeric_limits<int>::digits) +
+ (Bits-1 <= std::numeric_limits<short>::digits) +
+ (Bits-1 <= std::numeric_limits<signed char>::digits)
+ >::least least;
+ typedef typename int_fast_t<least>::fast fast;
+ };
+
+ // unsigned
+ template< int Bits > // bits required
+ struct uint_t
+ {
+ typedef typename int_least_helper
+ <
+ 5 +
+ (Bits <= std::numeric_limits<unsigned long>::digits) +
+ (Bits <= std::numeric_limits<unsigned int>::digits) +
+ (Bits <= std::numeric_limits<unsigned short>::digits) +
+ (Bits <= std::numeric_limits<unsigned char>::digits)
+ >::least least;
+ typedef typename int_fast_t<least>::fast fast;
+ // int_fast_t<> works correctly for unsigned too, in spite of the name.
+ };
+
+ // integer templates specifying extreme value ----------------------------//
+
+ // signed
+ template< long MaxValue > // maximum value to require support
+ struct int_max_value_t
+ {
+ typedef typename int_least_helper
+ <
+ (MaxValue <= integer_traits<long>::const_max) +
+ (MaxValue <= integer_traits<int>::const_max) +
+ (MaxValue <= integer_traits<short>::const_max) +
+ (MaxValue <= integer_traits<signed char>::const_max)
+ >::least least;
+ typedef typename int_fast_t<least>::fast fast;
+ };
+
+ template< long MinValue > // minimum value to require support
+ struct int_min_value_t
+ {
+ typedef typename int_least_helper
+ <
+ (MinValue >= integer_traits<long>::const_min) +
+ (MinValue >= integer_traits<int>::const_min) +
+ (MinValue >= integer_traits<short>::const_min) +
+ (MinValue >= integer_traits<signed char>::const_min)
+ >::least least;
+ typedef typename int_fast_t<least>::fast fast;
+ };
+
+ // unsigned
+ template< unsigned long Value > // maximum value to require support
+ struct uint_value_t
+ {
+ typedef typename int_least_helper
+ <
+ 5 +
+ (Value <= integer_traits<unsigned long>::const_max) +
+ (Value <= integer_traits<unsigned int>::const_max) +
+ (Value <= integer_traits<unsigned short>::const_max) +
+ (Value <= integer_traits<unsigned char>::const_max)
+ >::least least;
+ typedef typename int_fast_t<least>::fast fast;
+ };
+
+
+} // namespace boost
+
+#endif // BOOST_INTEGER_HPP