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generalize vector storage resize for all storage_array and sequences

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[SVN r25213]
This commit is contained in:
Michael Stevens
2004-09-19 06:25:52 +00:00
parent a4e7165a2d
commit f67ead2a73
1 changed files with 8 additions and 9 deletions
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17
include/boost/numeric/ublas/vector.hpp
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@@ -39,6 +39,13 @@ namespace boost { namespace numeric { namespace ublas {
// Thanks to Karl Meerbergen for the functor workaround which we use by default
template <class A>
struct resize_functor {
void operator() (A& a, typename A::size_type size, bool ) const {
a.resize (size, typename A::value_type (0));
}
};
// Specialise for storage_array
template <class A>
struct resize_functor<storage_array<A> > {
void operator() (A& a, typename A::size_type size, bool preserve) const {
if (preserve)
a.resize (size, typename A::value_type (0));
@@ -47,14 +54,6 @@ namespace boost { namespace numeric { namespace ublas {
}
};
// Specialise for std::vector
template <class T>
struct resize_functor<std::vector<T> > {
void operator() (std::vector<T>& a, typename std::vector<T>::size_type size, bool ) const {
a.resize (size);
}
};
template<class A>
BOOST_UBLAS_INLINE
void resize (A& a, typename A::size_type size, bool preserve) {
@@ -69,7 +68,7 @@ namespace boost { namespace numeric { namespace ublas {
else
a.resize_new (size);
}
/* ISSUE Specialise for std::vector
/* ISSUE Specialise for std::vector ONLY
* however some (MSVC-6/7) compilers without template partial specialization
* also think this is ambiguous when std::vector is used!
*/