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#ifndef __CGLA__ARITHVEC3INT_H__
#define __CGLA__ARITHVEC3INT_H__

#include "ArithVecInt.h"

namespace CGLA {

        template<class T, class V>
        class ArithVec3Int: public ArithVecInt<T,V,3>
        {
        public:

                /// Construct a 3D int vector.
                ArithVec3Int(T a, T b, T c): ArithVecInt<T,V,3>(a,b,c) {}

                /// Construct a 3D int vector.
                ArithVec3Int() {}

                /** Get the vector in spherical coordinates.
                                The first argument (theta) is inclination from the vertical axis.
                                The second argument (phi) is the angle of rotation about the vertical 
                                axis. The third argument (r) is the length of the vector. */
                void get_spherical( T&, T&, T& ) const;

                /** Assign the vector in spherical coordinates.
                                The first argument (theta) is inclination from the vertical axis.
                                The second argument (phi) is the angle of rotation about the vertical 
                                axis. The third argument (r) is the length of the vector. */
                void set_spherical( T, T, T);
                
        };

        /// Returns cross product of arguments
        template<class T, class V>
        inline V cross( const ArithVec3Int<T,V>& x, 
                                                                        const ArithVec3Int<T,V>& y ) 
        {
                return V( x[1] * y[2] - x[2] * y[1], 
                                                        x[2] * y[0] - x[0] * y[2], 
                                                        x[0] * y[1] - x[1] * y[0] );
        }

}

#endif