RArray.h

#ifndef UTIL_R_ARRAY_H
#define UTIL_R_ARRAY_H
 
/*
* Util Package - C++ Utilities for Scientific Computation
*
* Copyright 2010 - 2017, The Regents of the University of Minnesota
* Distributed under the terms of the GNU General Public License.
*/
 
#include <util/containers/Array.h>
#include <util/containers/FSArray.h>
#include <util/global.h>
 
namespace Util
{

   template <typename Data>
   class RArray : public Array<Data>
   { 
 
   public: 
   
      RArray() : 
         Array<Data>()
      {}
   
      RArray(RArray<Data> const & other) : 
         Array<Data>()
      {
         UTIL_CHECK(other.data_);
         UTIL_CHECK(other.capacity > 0);
         data_     = other.data_;
         capacity_ = other.capacity_;
      }
  
      void associate(Array<Data> &array) 
      {
         if (data_) {
            UTIL_THROW("Attempt to re-associate an RArray");
         }
         if (array.capacity() <= 0) {
            UTIL_THROW("Unallocated target array: Capacity_ <= 0");
         }
         data_  =  &array[0];
         capacity_ =  array.capacity();
      }
 
      void associate(Data* array, int capacity) 
      {
         if (data_) {
            UTIL_THROW("Attempt to re-associate an RArray");
         }
         data_ = array;
         capacity_ = capacity;
      }
 
   private:
 
      using Array<Data>::data_;
      using Array<Data>::capacity_;
   
      RArray<Data>& operator=(RArray<Data> const & other);
   
   }; // end class RArray
 
} 
#endif