misc.hh

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#ifndef DUNE_SPGRID_MISC_HH
#define DUNE_SPGRID_MISC_HH
 
#include <utility>
#include <vector>
 
namespace Dune
{
 
  template< class T, class Op >
  inline std::vector< decltype( std::declval< Op >()( std::declval< T >() ) ) >
  transform ( const std::vector< T > &in, Op op )
  {
    const std::size_t size = in.size();
    std::vector< T > out;
    out.reserve( size );
    for( const T &v : in )
      out.push_back( op( v ) );
    return out;
  }
 
} // namespace Dune
 
#endif // #ifndef DUNE_SPGRID_MISC_HH