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Add a 64 bit specialization of low_bits_mask_t. Fixes #4332

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[SVN r62756]
This commit is contained in:
Steven Watanabe
2010-06-10 19:49:34 +00:00
parent 84c8a52085
commit cd98c4a257
3 changed files with 110 additions and 22 deletions
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92
test/integer_mask_test.cpp
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@ -21,25 +21,35 @@
#pragma warning(disable:4127) // conditional expression is constant
#endif
#if defined(BOOST_HAS_LONG_LONG)
#define MASK_TYPE ::boost::ulong_long_type
#elif defined(BOOST_HAS_MS_INT64)
#define MASK_TYPE unsigned __int64
#else
#define MASK_TYPE unsigned long
#endif
#define ONE (static_cast<MASK_TYPE>(1))
#define PRIVATE_HIGH_BIT_SLOW_TEST(v) BOOST_TEST( ::boost::high_bit_mask_t< \
(v) >::high_bit == (1ul << (v)) );
(v) >::high_bit == (ONE << (v)) );
#define PRIVATE_HIGH_BIT_FAST_TEST(v) BOOST_TEST( ::boost::high_bit_mask_t< \
(v) >::high_bit_fast == (1ul << (v)) );
(v) >::high_bit_fast == (ONE << (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;\
MASK_TYPE mask = 0;\
if(v > 0)\
{ mask = ((1ul << (v-1)) - 1); mask <<= 1; mask |= 1; }\
{ mask = ((ONE << (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;\
MASK_TYPE mask = 0;\
if(v > 0)\
{ mask = ((1ul << (v-1)) - 1); mask <<= 1; mask |= 1; }\
{ mask = ((ONE << (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); \
@ -52,6 +62,41 @@ int main( int, char*[] )
using std::endl;
cout << "Doing high_bit_mask_t tests." << endl;
#if defined(BOOST_HAS_LONG_LONG) || defined(BOOST_HAS_MS_INT64)
PRIVATE_HIGH_BIT_TEST( 63 );
PRIVATE_HIGH_BIT_TEST( 62 );
PRIVATE_HIGH_BIT_TEST( 61 );
PRIVATE_HIGH_BIT_TEST( 60 );
PRIVATE_HIGH_BIT_TEST( 59 );
PRIVATE_HIGH_BIT_TEST( 58 );
PRIVATE_HIGH_BIT_TEST( 57 );
PRIVATE_HIGH_BIT_TEST( 56 );
PRIVATE_HIGH_BIT_TEST( 55 );
PRIVATE_HIGH_BIT_TEST( 54 );
PRIVATE_HIGH_BIT_TEST( 53 );
PRIVATE_HIGH_BIT_TEST( 52 );
PRIVATE_HIGH_BIT_TEST( 51 );
PRIVATE_HIGH_BIT_TEST( 50 );
PRIVATE_HIGH_BIT_TEST( 49 );
PRIVATE_HIGH_BIT_TEST( 48 );
PRIVATE_HIGH_BIT_TEST( 47 );
PRIVATE_HIGH_BIT_TEST( 46 );
PRIVATE_HIGH_BIT_TEST( 45 );
PRIVATE_HIGH_BIT_TEST( 44 );
PRIVATE_HIGH_BIT_TEST( 43 );
PRIVATE_HIGH_BIT_TEST( 42 );
PRIVATE_HIGH_BIT_TEST( 41 );
PRIVATE_HIGH_BIT_TEST( 40 );
PRIVATE_HIGH_BIT_TEST( 39 );
PRIVATE_HIGH_BIT_TEST( 38 );
PRIVATE_HIGH_BIT_TEST( 37 );
PRIVATE_HIGH_BIT_TEST( 36 );
PRIVATE_HIGH_BIT_TEST( 35 );
PRIVATE_HIGH_BIT_TEST( 34 );
PRIVATE_HIGH_BIT_TEST( 33 );
PRIVATE_HIGH_BIT_TEST( 32 );
#endif
PRIVATE_HIGH_BIT_TEST( 31 );
PRIVATE_HIGH_BIT_TEST( 30 );
PRIVATE_HIGH_BIT_TEST( 29 );
@ -86,6 +131,41 @@ int main( int, char*[] )
PRIVATE_HIGH_BIT_TEST( 0 );
cout << "Doing low_bits_mask_t tests." << endl;
#if defined(BOOST_HAS_LONG_LONG) || defined(BOOST_HAS_MS_INT64)
PRIVATE_LOW_BITS_TEST( 64 );
PRIVATE_LOW_BITS_TEST( 63 );
PRIVATE_LOW_BITS_TEST( 62 );
PRIVATE_LOW_BITS_TEST( 61 );
PRIVATE_LOW_BITS_TEST( 60 );
PRIVATE_LOW_BITS_TEST( 59 );
PRIVATE_LOW_BITS_TEST( 58 );
PRIVATE_LOW_BITS_TEST( 57 );
PRIVATE_LOW_BITS_TEST( 56 );
PRIVATE_LOW_BITS_TEST( 55 );
PRIVATE_LOW_BITS_TEST( 54 );
PRIVATE_LOW_BITS_TEST( 53 );
PRIVATE_LOW_BITS_TEST( 52 );
PRIVATE_LOW_BITS_TEST( 51 );
PRIVATE_LOW_BITS_TEST( 50 );
PRIVATE_LOW_BITS_TEST( 49 );
PRIVATE_LOW_BITS_TEST( 48 );
PRIVATE_LOW_BITS_TEST( 47 );
PRIVATE_LOW_BITS_TEST( 46 );
PRIVATE_LOW_BITS_TEST( 45 );
PRIVATE_LOW_BITS_TEST( 44 );
PRIVATE_LOW_BITS_TEST( 43 );
PRIVATE_LOW_BITS_TEST( 42 );
PRIVATE_LOW_BITS_TEST( 41 );
PRIVATE_LOW_BITS_TEST( 40 );
PRIVATE_LOW_BITS_TEST( 39 );
PRIVATE_LOW_BITS_TEST( 38 );
PRIVATE_LOW_BITS_TEST( 37 );
PRIVATE_LOW_BITS_TEST( 36 );
PRIVATE_LOW_BITS_TEST( 35 );
PRIVATE_LOW_BITS_TEST( 34 );
PRIVATE_LOW_BITS_TEST( 33 );
#endif
PRIVATE_LOW_BITS_TEST( 32 );
PRIVATE_LOW_BITS_TEST( 31 );
PRIVATE_LOW_BITS_TEST( 30 );