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Ublas : |
From: Karl Meerbergen (Karl.Meerbergen_at_[hidden])
Date: 2007-04-02 08:25:27
Manuel,
Can you check whether the current version of boost-sandbox works fine?
It does for the BLAS regression tests in boost-sandbox.
Thanks,
Karl
Manuel González Castro wrote:
>Hi Karl,
>
>
>
>>Thanks for this contribution. I am planning to add it, but ...
>>
>>
>
>I fixed an error in the function, the correct code (tested under gcc and
>VC++ 7.1) is:
>
>------------- start --------------
>
> // y <- x
> template < typename vector_type_x, typename vector_type_y >
> void copy(const vector_type_x &x, vector_type_y &y )
> {
>#ifndef BOOST_NUMERIC_BINDINGS_POOR_MANS_TRAITS
> BOOST_STATIC_ASSERT( ( is_same< typename traits::vector_traits<
>vector_type_y >::value_type, typename traits::vector_traits<
>vector_type_x >::value_type >::value ) ) ;
>#else
> BOOST_STATIC_ASSERT( ( is_same< typename vector_type_y::value_type,
>typename vector_type_x::value_type >::value ) ) ;
>#endif
> assert( traits::vector_size( x ) == traits::vector_size( y ) ) ;
>
> typedef typename vector_type_x::value_type value_type ;
>
> const int n = traits::vector_size( x ) ;
> const int stride_x = traits::vector_stride( x ) ;
> const int stride_y = traits::vector_stride( y ) ;
> const value_type *x_ptr = traits::vector_storage( x ) ;
> value_type *y_ptr = traits::vector_storage( y ) ;
>
> detail::copy( n, x_ptr, stride_x, y_ptr, stride_y ) ;
> }
>
>------------- end --------------
>
>
>
>>I am also interested in seeing the performance difference
>>between std::copy and blas::copy. I think many people on the
>>list would be quite interested. Thanks!
>>
>>
>
>I will post results in a few days.
>
>Thanks,
>Manuel
>
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>