//=============================================================================
//! Samll Real Double-precision Row Vector Class
template<long l> class drovector_small
{
public:
///////////////////////////////////////////////
/////////////////// objects ///////////////////
///////////////////////////////////////////////
double array[l];
///////////////////////////////////////////////
///////////////// constructors ////////////////
///////////////////////////////////////////////
inline drovector_small();
inline explicit drovector_small(const drovector&);
inline drovector_small(const double&);
inline drovector_small(const double&, const double&);
inline drovector_small(const double&, const double&, const double&);
inline ~drovector_small();
///////////////////////////////////////////////
////////////////// functions //////////////////
///////////////////////////////////////////////
//////// cast ////////
inline _drovector to_drovector() const;
//////// io ////////
inline double& operator()(const long&);
inline double operator()(const long&) const;
inline drovector_small<l>& set(const long&, const double&);
template<long _l> inline friend std::ostream& operator<<(std::ostream&, const drovector_small<_l>&);
inline void read(const char* filename);
inline void write(const char* filename) const;
//////// calc ////////
#ifndef _MSC_VER
template<long _l> inline friend dcovector_small<_l> t(const drovector_small<_l>&);
template<long _l> inline friend double nrm2(const drovector_small<_l>&);
template<long _l> inline friend long idamax(const drovector_small<_l>&);
template<long _l> inline friend double damax(const drovector_small<_l>&);
#endif//_MSC_VER
//////// misc ////////
inline drovector_small<l>& zero();
///////////////////////////////////////////////
///////////// numerical operators /////////////
///////////////////////////////////////////////
#ifndef _MSC_VER
//////// = ////////
template<long L> inline drovector_small<L>& operator= (const drovector_small<L>&);
//////// += ////////
template<long L> inline friend drovector_small<L>& operator+=(drovector_small<L>&, const drovector_small<L>&);
//////// -= ////////
template<long L> inline friend drovector_small<L>& operator-=(drovector_small<L>&, const drovector_small<L>&);
//////// *= ////////
template<long L> inline friend drovector_small<L>& operator*=(drovector_small<L>&, const double&);
//////// /= ////////
template<long L> inline friend drovector_small<L>& operator/=(drovector_small<L>&, const double&);
//////// unary ////////
template<long L> inline friend const drovector_small<L>& operator+(const drovector_small<L>&);
template<long L> inline friend drovector_small<L> operator-(const drovector_small<L>&);
//////// + ////////
template<long L> inline friend drovector_small<L> operator+(const drovector_small<L>&, const drovector_small<L>&);
//////// - ////////
template<long L> inline friend drovector_small<L> operator-(const drovector_small<L>&, const drovector_small<L>&);
//////// * ////////
template<long L> inline friend double operator*(const drovector_small<L>&, const dcovector_small<L>&);
template<long M, long N> inline friend drovector_small<N> operator*(const drovector_small<M>&, const dgematrix_small<M,N>&);
template<long L> inline friend drovector_small<L> operator*(const drovector_small<L>&, const dsymatrix_small<L>&);
template<long L> inline friend drovector_small<L> operator*(const drovector_small<L>&, const double&);
//////// / ////////
template<long L> inline friend drovector_small<L> operator/(const drovector_small<L>&, const double&);
//////// double ////////
template<long L> inline friend drovector_small<L> operator*(const double&, const drovector_small<L>&);
#endif//_MSC_VER
};
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
inline double operator/(const drovec2&, const drovec2&);
inline drovec3 operator/(const drovec3&, const drovec3&);
