Resolve/C++ Catalog
CT/Static_Array/Exchange_At_1.h
Copyright © 2010, Reusable Software Research Group, The Ohio State University

//  /*-------------------------------------------------------------------*\
//  |   Concrete Template : Static_Array_Exchange_At_1
//  \*-------------------------------------------------------------------*/

#ifndef CT_STATIC_ARRAY_EXCHANGE_AT_1
#define CT_STATIC_ARRAY_EXCHANGE_AT_1 1

///------------------------------------------------------------------------
/// Global Context --------------------------------------------------------
///------------------------------------------------------------------------

#include "AT/Static_Array/Exchange_At.h"

/*!
    #include "AT/Static_Array/Kernel.h"
!*/

///------------------------------------------------------------------------
/// Interface -------------------------------------------------------------
///------------------------------------------------------------------------

concrete_template <
	concrete_instance class Item,
        Integer_constant lower,
        Integer_constant upper,
	/*!
	    satisfies restriction
	        lower <= upper
	!*/        
	concrete_instance class Static_Array_Base
	/*!
	    implements
		abstract_instance Static_Array_Kernel <Item, lower, upper>
	!*/
    >
class Static_Array_Exchange_At_1 :
    extends
	concrete_instance Static_Array_Base,
    implements
	abstract_instance Static_Array_Exchange_At <Item, lower, upper>
{
public:
    
    procedure_body Exchange_At (
	    preserves Integer i,
	    preserves Integer j
	)
    {
	if (i != j)
	{
	    object catalyst Item temp;
	
	    temp &= self[i];
	    temp &= self[j];
	    self[i] &= temp;
	}
    }

};

#endif // CT_STATIC_ARRAY_EXCHANGE_AT_1