mirror of
https://github.com/boostorg/integer.git
synced 2025-11-04 02:01:38 +01:00
124 lines
4.0 KiB
C++
124 lines
4.0 KiB
C++
// boost integer_mask.hpp test program -------------------------------------//
|
|
|
|
// (C) Copyright Daryle Walker 2001.
|
|
// 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 for most recent version including documentation.
|
|
|
|
// Revision History
|
|
// 23 Sep 2001 Initial version (Daryle Walker)
|
|
|
|
#include <boost/detail/lightweight_test.hpp>
|
|
|
|
#include <boost/cstdlib.hpp> // for boost::exit_success
|
|
#include <boost/integer/integer_mask.hpp> // for boost::high_bit_mask_t, etc.
|
|
|
|
#include <iostream> // for std::cout (std::endl indirectly)
|
|
|
|
#ifdef BOOST_MSVC
|
|
#pragma warning(disable:4127) // conditional expression is constant
|
|
#endif
|
|
|
|
#define PRIVATE_HIGH_BIT_SLOW_TEST(v) BOOST_TEST( ::boost::high_bit_mask_t< \
|
|
(v) >::high_bit == (1ul << (v)) );
|
|
#define PRIVATE_HIGH_BIT_FAST_TEST(v) BOOST_TEST( ::boost::high_bit_mask_t< \
|
|
(v) >::high_bit_fast == (1ul << (v)) );
|
|
#define PRIVATE_HIGH_BIT_TEST(v) do { PRIVATE_HIGH_BIT_SLOW_TEST(v); \
|
|
PRIVATE_HIGH_BIT_FAST_TEST(v); } while (false)
|
|
|
|
#define PRIVATE_LOW_BITS_SLOW_TEST(v) \
|
|
do{ \
|
|
unsigned long mask = 0;\
|
|
if(v > 0)\
|
|
{ mask = ((1ul << (v-1)) - 1); mask <<= 1; mask |= 1; }\
|
|
BOOST_TEST( ::boost::low_bits_mask_t< (v) >::sig_bits == mask); \
|
|
}while(false);
|
|
#define PRIVATE_LOW_BITS_FAST_TEST(v) \
|
|
do{ \
|
|
unsigned long mask = 0;\
|
|
if(v > 0)\
|
|
{ mask = ((1ul << (v-1)) - 1); mask <<= 1; mask |= 1; }\
|
|
BOOST_TEST( ::boost::low_bits_mask_t< (v) >::sig_bits_fast == mask);\
|
|
}while(false);
|
|
#define PRIVATE_LOW_BITS_TEST(v) do { PRIVATE_LOW_BITS_SLOW_TEST(v); \
|
|
PRIVATE_LOW_BITS_FAST_TEST(v); } while (false)
|
|
|
|
|
|
int main( int, char*[] )
|
|
{
|
|
using std::cout;
|
|
using std::endl;
|
|
|
|
cout << "Doing high_bit_mask_t tests." << endl;
|
|
PRIVATE_HIGH_BIT_TEST( 31 );
|
|
PRIVATE_HIGH_BIT_TEST( 30 );
|
|
PRIVATE_HIGH_BIT_TEST( 29 );
|
|
PRIVATE_HIGH_BIT_TEST( 28 );
|
|
PRIVATE_HIGH_BIT_TEST( 27 );
|
|
PRIVATE_HIGH_BIT_TEST( 26 );
|
|
PRIVATE_HIGH_BIT_TEST( 25 );
|
|
PRIVATE_HIGH_BIT_TEST( 24 );
|
|
PRIVATE_HIGH_BIT_TEST( 23 );
|
|
PRIVATE_HIGH_BIT_TEST( 22 );
|
|
PRIVATE_HIGH_BIT_TEST( 21 );
|
|
PRIVATE_HIGH_BIT_TEST( 20 );
|
|
PRIVATE_HIGH_BIT_TEST( 19 );
|
|
PRIVATE_HIGH_BIT_TEST( 18 );
|
|
PRIVATE_HIGH_BIT_TEST( 17 );
|
|
PRIVATE_HIGH_BIT_TEST( 16 );
|
|
PRIVATE_HIGH_BIT_TEST( 15 );
|
|
PRIVATE_HIGH_BIT_TEST( 14 );
|
|
PRIVATE_HIGH_BIT_TEST( 13 );
|
|
PRIVATE_HIGH_BIT_TEST( 12 );
|
|
PRIVATE_HIGH_BIT_TEST( 11 );
|
|
PRIVATE_HIGH_BIT_TEST( 10 );
|
|
PRIVATE_HIGH_BIT_TEST( 9 );
|
|
PRIVATE_HIGH_BIT_TEST( 8 );
|
|
PRIVATE_HIGH_BIT_TEST( 7 );
|
|
PRIVATE_HIGH_BIT_TEST( 6 );
|
|
PRIVATE_HIGH_BIT_TEST( 5 );
|
|
PRIVATE_HIGH_BIT_TEST( 4 );
|
|
PRIVATE_HIGH_BIT_TEST( 3 );
|
|
PRIVATE_HIGH_BIT_TEST( 2 );
|
|
PRIVATE_HIGH_BIT_TEST( 1 );
|
|
PRIVATE_HIGH_BIT_TEST( 0 );
|
|
|
|
cout << "Doing low_bits_mask_t tests." << endl;
|
|
PRIVATE_LOW_BITS_TEST( 32 );
|
|
PRIVATE_LOW_BITS_TEST( 31 );
|
|
PRIVATE_LOW_BITS_TEST( 30 );
|
|
PRIVATE_LOW_BITS_TEST( 29 );
|
|
PRIVATE_LOW_BITS_TEST( 28 );
|
|
PRIVATE_LOW_BITS_TEST( 27 );
|
|
PRIVATE_LOW_BITS_TEST( 26 );
|
|
PRIVATE_LOW_BITS_TEST( 25 );
|
|
PRIVATE_LOW_BITS_TEST( 24 );
|
|
PRIVATE_LOW_BITS_TEST( 23 );
|
|
PRIVATE_LOW_BITS_TEST( 22 );
|
|
PRIVATE_LOW_BITS_TEST( 21 );
|
|
PRIVATE_LOW_BITS_TEST( 20 );
|
|
PRIVATE_LOW_BITS_TEST( 19 );
|
|
PRIVATE_LOW_BITS_TEST( 18 );
|
|
PRIVATE_LOW_BITS_TEST( 17 );
|
|
PRIVATE_LOW_BITS_TEST( 16 );
|
|
PRIVATE_LOW_BITS_TEST( 15 );
|
|
PRIVATE_LOW_BITS_TEST( 14 );
|
|
PRIVATE_LOW_BITS_TEST( 13 );
|
|
PRIVATE_LOW_BITS_TEST( 12 );
|
|
PRIVATE_LOW_BITS_TEST( 11 );
|
|
PRIVATE_LOW_BITS_TEST( 10 );
|
|
PRIVATE_LOW_BITS_TEST( 9 );
|
|
PRIVATE_LOW_BITS_TEST( 8 );
|
|
PRIVATE_LOW_BITS_TEST( 7 );
|
|
PRIVATE_LOW_BITS_TEST( 6 );
|
|
PRIVATE_LOW_BITS_TEST( 5 );
|
|
PRIVATE_LOW_BITS_TEST( 4 );
|
|
PRIVATE_LOW_BITS_TEST( 3 );
|
|
PRIVATE_LOW_BITS_TEST( 2 );
|
|
PRIVATE_LOW_BITS_TEST( 1 );
|
|
|
|
return boost::report_errors();
|
|
}
|