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boost-1.21
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boost-1.21
| Author | SHA1 | Date | |
|---|---|---|---|
| 0e9f18a7ca |
@ -23,7 +23,6 @@ namespace boost
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// Helper templates ------------------------------------------------------//
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// fast integers from least integers
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// int_fast_t<> works correctly for unsigned too, in spite of the name.
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template< typename LeastInt >
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struct int_fast_t { typedef LeastInt fast; }; // imps may specialize
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@ -71,7 +70,6 @@ namespace boost
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(Bits <= std::numeric_limits<unsigned char>::digits)
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>::least least;
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typedef typename int_fast_t<least>::fast fast;
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// int_fast_t<> works correctly for unsigned too, in spite of the name.
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};
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// The same dispatching technique can be used to select types based on
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@ -34,7 +34,6 @@ appropriate to use the types supplied in <code><a href="../../boost/cstdint.hpp"
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<pre>namespace boost
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{
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// fast integers from least integers
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// int_fast_t<> works correctly for unsigned too, in spite of the name.
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template< typename LeastInt > // Required: LeastInt is integral type, not bool
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struct int_fast_t { typedef LeastInt fast; }; // implementations may specialize
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@ -52,7 +51,6 @@ appropriate to use the types supplied in <code><a href="../../boost/cstdint.hpp"
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{
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typedef <i>implementation-supplied</i> least;
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typedef int_fast_t<least>::fast fast;
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// int_fast_t<> works correctly for unsigned too, in spite of the name.
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};
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} // namespace boost
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</pre>
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153
integer_test.cpp
153
integer_test.cpp
@ -9,15 +9,14 @@
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// See http://www.boost.org for most recent version including documentation.
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// Revision History
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// 10 Mar 01 Boost Test Library now used for tests (Beman Dawes)
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// 31 Aug 99 Initial version
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// This program is misnamed in that it is really a demonstration rather than
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// a test. It doesn't detect failure, so isn't worthy of the name "test".
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#include <iostream>
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#include <boost/integer.hpp>
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#define BOOST_INCLUDE_MAIN
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#include <boost/test/test_tools.hpp>
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namespace
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{
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void test( long ) { std::cout << "long\n"; }
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@ -36,12 +35,10 @@ namespace boost
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template<> struct int_fast_t<short> { typedef long fast; };
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}
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int test_main(int,char**)
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int main()
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{
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using boost::int_t;
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using boost::uint_t;
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#ifdef BOOST_SHOW_TYPES
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std::cout << 32 << ' '; test( int_t<32>::least() );
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std::cout << 31 << ' '; test( int_t<31>::least() );
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std::cout << 30 << ' '; test( int_t<30>::least() );
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@ -173,145 +170,7 @@ int test_main(int,char**)
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std::cout << 3 << ' '; test( uint_t<3>::fast() );
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std::cout << 2 << ' '; test( uint_t<2>::fast() );
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std::cout << 1 << ' '; test( uint_t<1>::fast() );
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std::cout << 0 << ' '; test( uint_t<0>::fast() );
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#endif
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long v = 0x7FFFFFFF;
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BOOST_TEST( int_t<32>::least(v) == v ); v >>= 1;
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BOOST_TEST( int_t<31>::least(v) == v ); v >>= 1;
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BOOST_TEST( int_t<30>::least(v) == v ); v >>= 1;
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BOOST_TEST( int_t<29>::least(v) == v ); v >>= 1;
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BOOST_TEST( int_t<28>::least(v) == v ); v >>= 1;
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BOOST_TEST( int_t<27>::least(v) == v ); v >>= 1;
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BOOST_TEST( int_t<26>::least(v) == v ); v >>= 1;
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BOOST_TEST( int_t<25>::least(v) == v ); v >>= 1;
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BOOST_TEST( int_t<24>::least(v) == v ); v >>= 1;
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BOOST_TEST( int_t<23>::least(v) == v ); v >>= 1;
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BOOST_TEST( int_t<22>::least(v) == v ); v >>= 1;
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BOOST_TEST( int_t<21>::least(v) == v ); v >>= 1;
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BOOST_TEST( int_t<20>::least(v) == v ); v >>= 1;
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BOOST_TEST( int_t<19>::least(v) == v ); v >>= 1;
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BOOST_TEST( int_t<18>::least(v) == v ); v >>= 1;
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BOOST_TEST( int_t<17>::least(v) == v ); v >>= 1;
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BOOST_TEST( int_t<16>::least(v) == v ); v >>= 1;
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BOOST_TEST( int_t<15>::least(v) == v ); v >>= 1;
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BOOST_TEST( int_t<14>::least(v) == v ); v >>= 1;
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BOOST_TEST( int_t<13>::least(v) == v ); v >>= 1;
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BOOST_TEST( int_t<12>::least(v) == v ); v >>= 1;
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BOOST_TEST( int_t<11>::least(v) == v ); v >>= 1;
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BOOST_TEST( int_t<10>::least(v) == v ); v >>= 1;
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BOOST_TEST( int_t<9>::least(v) == v ); v >>= 1;
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BOOST_TEST( int_t<8>::least(v) == v ); v >>= 1;
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BOOST_TEST( int_t<7>::least(v) == v ); v >>= 1;
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BOOST_TEST( int_t<6>::least(v) == v ); v >>= 1;
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BOOST_TEST( int_t<5>::least(v) == v ); v >>= 1;
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BOOST_TEST( int_t<4>::least(v) == v ); v >>= 1;
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BOOST_TEST( int_t<3>::least(v) == v ); v >>= 1;
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BOOST_TEST( int_t<2>::least(v) == v ); v >>= 1;
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BOOST_TEST( int_t<1>::least(v) == v ); v >>= 1;
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BOOST_TEST( int_t<0>::least(v) == v );
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v = 0x7FFFFFFF;
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BOOST_TEST( int_t<32>::fast(v) == v ); v >>= 1;
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BOOST_TEST( int_t<31>::fast(v) == v ); v >>= 1;
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BOOST_TEST( int_t<30>::fast(v) == v ); v >>= 1;
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BOOST_TEST( int_t<29>::fast(v) == v ); v >>= 1;
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BOOST_TEST( int_t<28>::fast(v) == v ); v >>= 1;
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BOOST_TEST( int_t<27>::fast(v) == v ); v >>= 1;
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BOOST_TEST( int_t<26>::fast(v) == v ); v >>= 1;
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BOOST_TEST( int_t<25>::fast(v) == v ); v >>= 1;
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BOOST_TEST( int_t<24>::fast(v) == v ); v >>= 1;
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BOOST_TEST( int_t<23>::fast(v) == v ); v >>= 1;
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BOOST_TEST( int_t<22>::fast(v) == v ); v >>= 1;
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BOOST_TEST( int_t<21>::fast(v) == v ); v >>= 1;
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BOOST_TEST( int_t<20>::fast(v) == v ); v >>= 1;
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BOOST_TEST( int_t<19>::fast(v) == v ); v >>= 1;
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BOOST_TEST( int_t<18>::fast(v) == v ); v >>= 1;
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BOOST_TEST( int_t<17>::fast(v) == v ); v >>= 1;
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BOOST_TEST( int_t<16>::fast(v) == v ); v >>= 1;
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BOOST_TEST( int_t<15>::fast(v) == v ); v >>= 1;
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BOOST_TEST( int_t<14>::fast(v) == v ); v >>= 1;
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BOOST_TEST( int_t<13>::fast(v) == v ); v >>= 1;
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BOOST_TEST( int_t<12>::fast(v) == v ); v >>= 1;
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BOOST_TEST( int_t<11>::fast(v) == v ); v >>= 1;
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BOOST_TEST( int_t<10>::fast(v) == v ); v >>= 1;
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BOOST_TEST( int_t<9>::fast(v) == v ); v >>= 1;
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BOOST_TEST( int_t<8>::fast(v) == v ); v >>= 1;
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BOOST_TEST( int_t<7>::fast(v) == v ); v >>= 1;
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BOOST_TEST( int_t<6>::fast(v) == v ); v >>= 1;
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BOOST_TEST( int_t<5>::fast(v) == v ); v >>= 1;
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BOOST_TEST( int_t<4>::fast(v) == v ); v >>= 1;
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BOOST_TEST( int_t<3>::fast(v) == v ); v >>= 1;
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BOOST_TEST( int_t<2>::fast(v) == v ); v >>= 1;
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BOOST_TEST( int_t<1>::fast(v) == v ); v >>= 1;
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BOOST_TEST( int_t<0>::fast(v) == v );
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unsigned long u = 0xFFFFFFFF;
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BOOST_TEST( uint_t<32>::least(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<31>::least(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<30>::least(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<29>::least(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<28>::least(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<27>::least(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<26>::least(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<25>::least(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<24>::least(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<23>::least(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<22>::least(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<21>::least(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<20>::least(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<19>::least(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<18>::least(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<17>::least(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<16>::least(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<15>::least(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<14>::least(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<13>::least(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<11>::least(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<12>::least(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<10>::least(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<9>::least(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<8>::least(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<7>::least(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<6>::least(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<5>::least(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<4>::least(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<3>::least(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<2>::least(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<1>::least(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<0>::least(u) == u );
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u = 0xFFFFFFFF;
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BOOST_TEST( uint_t<32>::fast(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<31>::fast(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<30>::fast(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<29>::fast(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<28>::fast(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<27>::fast(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<26>::fast(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<25>::fast(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<24>::fast(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<23>::fast(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<22>::fast(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<21>::fast(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<20>::fast(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<19>::fast(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<18>::fast(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<17>::fast(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<16>::fast(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<15>::fast(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<14>::fast(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<13>::fast(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<12>::fast(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<11>::fast(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<10>::fast(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<9>::fast(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<8>::fast(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<7>::fast(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<6>::fast(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<5>::fast(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<4>::fast(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<3>::fast(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<2>::fast(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<1>::fast(u) == u ); u >>= 1;
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BOOST_TEST( uint_t<0>::fast(u) == u );
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std::cout << 0 << ' '; test( uint_t<0>::fast() );
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return 0;
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}
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