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added range in vector_proxy

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svn path=/branches/ublas-doxygen/; revision=62118
This commit is contained in:
David Bellot
2010-05-21 13:32:08 +00:00
parent 020519eb46
commit 787369655c
2 changed files with 46 additions and 1 deletions
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2
vector.hpp
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@@ -11,6 +11,8 @@
//
// And we acknowledge the support from all contributors.
/// \file Defition
#ifndef _BOOST_UBLAS_VECTOR_
#define _BOOST_UBLAS_VECTOR_

45
vector_proxy.hpp
View File

@@ -21,7 +21,16 @@
namespace boost { namespace numeric { namespace ublas {
// ------------------------
// Vector based range class
// ------------------------
/// \brief A subvector defined by a range on another vector. It is used as a normal vector.
/// A subvector defined by a range on another vector. It is used as a normal vector.
/// After being defined it allows the manipulation of a subvector like a normal vector.
/// If the specified range falls outside that of of the index range of the vector, then
/// the \c vector_range is not a well formed Vector Expression and access to an element
/// outside of index range of the vector is \b undefined.
template<class V>
class vector_range:
public vector_expression<vector_range<V> > {
@@ -476,13 +485,25 @@ namespace boost { namespace numeric { namespace ublas {
range_type r_;
};
// ------------------
// Simple Projections
// ------------------
/// \brief Return a \c vector_range on a specified vector, a start and stop index.
/// Return a \c vector_range on a specified vector, a start and stop index. The resulting \c vector_range can be manipulated like a normal vector.
/// If the specified range falls outside that of of the index range of the vector, then the resulting \c vector_range is not a well formed
/// Vector Expression and access to an element outside of index range of the vector is \b undefined.
template<class V>
BOOST_UBLAS_INLINE
vector_range<V> subrange (V &data, typename V::size_type start, typename V::size_type stop) {
typedef basic_range<typename V::size_type, typename V::difference_type> range_type;
return vector_range<V> (data, range_type (start, stop));
}
/// \brief Return a \c const \c vector_range on a specified vector, a start and stop index.
/// Return a \c const \c vector_range on a specified vector, a start and stop index. The resulting \c const \c vector_range can be manipulated like a normal vector.
/// If the specified range falls outside that of of the index range of the vector, then the resulting \c vector_range is not a well formed
/// Vector Expression and access to an element outside of index range of the vector is \b undefined.
template<class V>
BOOST_UBLAS_INLINE
vector_range<const V> subrange (const V &data, typename V::size_type start, typename V::size_type stop) {
@@ -490,23 +511,45 @@ namespace boost { namespace numeric { namespace ublas {
return vector_range<const V> (data, range_type (start, stop));
}
// -------------------
// Generic Projections
// -------------------
/// \brief Return a \c const \c vector_range on a specified vector and \c range
/// Return a \c const \c vector_range on a specified vector and \c range. The resulting \c vector_range can be manipulated like a normal vector.
/// If the specified range falls outside that of of the index range of the vector, then the resulting \c vector_range is not a well formed
/// Vector Expression and access to an element outside of index range of the vector is \b undefined.
template<class V>
BOOST_UBLAS_INLINE
vector_range<V> project (V &data, typename vector_range<V>::range_type const &r) {
return vector_range<V> (data, r);
}
/// \brief Return a \c vector_range on a specified vector and \c range
/// Return a \c vector_range on a specified vector and \c range. The resulting \c vector_range can be manipulated like a normal vector.
/// If the specified range falls outside that of of the index range of the vector, then the resulting \c vector_range is not a well formed
/// Vector Expression and access to an element outside of index range of the vector is \b undefined.
template<class V>
BOOST_UBLAS_INLINE
const vector_range<const V> project (const V &data, typename vector_range<V>::range_type const &r) {
// ISSUE was: return vector_range<V> (const_cast<V &> (data), r);
return vector_range<const V> (data, r);
}
}
/// \brief Return a \c const \c vector_range on a specified vector and const \c range
/// Return a \c const \c vector_range on a specified vector and const \c range. The resulting \c vector_range can be manipulated like a normal vector.
/// If the specified range falls outside that of of the index range of the vector, then the resulting \c vector_range is not a well formed
/// Vector Expression and access to an element outside of index range of the vector is \b undefined.
template<class V>
BOOST_UBLAS_INLINE
vector_range<V> project (vector_range<V> &data, const typename vector_range<V>::range_type &r) {
return data.project (r);
}
/// \brief Return a \c vector_range on a specified vector and const \c range
/// Return a \c vector_range on a specified vector and const \c range. The resulting \c vector_range can be manipulated like a normal vector.
/// If the specified range falls outside that of of the index range of the vector, then the resulting \c vector_range is not a well formed
/// Vector Expression and access to an element outside of index range of the vector is \b undefined.
template<class V>
BOOST_UBLAS_INLINE
const vector_range<V> project (const vector_range<V> &data, const typename vector_range<V>::range_type &r) {