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Boost.Range added unit tests for extended algorithms.

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Put the extended algorithms into boost::range in a similar manner to the standard algorithms.
Added iota as an extended algorithm.
Fixed defects in the extended algorithms brought to light by the new unit tests.

[SVN r61042]
This commit is contained in:
Neil Groves
2010-04-04 14:14:12 +00:00
parent 6cc4cbf1a1
commit cee9ffc1a8
23 changed files with 993 additions and 125 deletions
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40
include/boost/range/algorithm_ext/copy_n.hpp
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@ -21,27 +21,33 @@
namespace boost
{
/// \brief template function copy
///
/// range-based version of the copy std algorithm
///
/// \pre SinglePassRange is a model of the SinglePassRangeConcept
/// \pre OutputIterator is a model of the OutputIteratorConcept
/// \pre 0 <= n < distance(rng)
template< class SinglePassRange, class Size, class OutputIterator >
inline OutputIterator copy_n(const SinglePassRange& rng, Size n, OutputIterator out)
namespace range
{
boost::function_requires< SinglePassRangeConcept<SinglePassRange> >();
BOOST_ASSERT( n < static_cast<Size>(boost::distance(rng)) );
BOOST_ASSERT( n >= static_cast<Size>(0) );
BOOST_DEDUCED_TYPENAME range_const_iterator<SinglePassRange>::type source = boost::begin(rng);
/// \brief template function copy
///
/// range-based version of the copy std algorithm
///
/// \pre SinglePassRange is a model of the SinglePassRangeConcept
/// \pre OutputIterator is a model of the OutputIteratorConcept
/// \pre 0 <= n < distance(rng)
template< class SinglePassRange, class Size, class OutputIterator >
inline OutputIterator copy_n(const SinglePassRange& rng, Size n, OutputIterator out)
{
BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange> ));
BOOST_ASSERT( n < static_cast<Size>(boost::distance(rng)) );
BOOST_ASSERT( n >= static_cast<Size>(0) );
for (Size i = 0; i < n; ++i, ++out, ++source)
*out = *source;
BOOST_DEDUCED_TYPENAME range_iterator<const SinglePassRange>::type source = boost::begin(rng);
return out;
}
for (Size i = 0; i < n; ++i, ++out, ++source)
*out = *source;
return out;
}
} // namespace range
using range::copy_n;
} // namespace boost
#endif // include guard