//=============================================================================
//! (DO NOT USE) Smart-temporary Complex Double-precision General Band Matrix Class
class _zgbmatrix
{
public:
///////////////////////////////////////////////
/////////////////// objects ///////////////////
///////////////////////////////////////////////
mutable long m; //!< matrix row size
mutable long n; //!< matrix column size
mutable long kl; //!< lower band width
mutable long ku; //!< upper band width
mutable comple* array; //!< 1D array to store matrix data
mutable comple** darray; //!< array of pointers of column head addresses
///////////////////////////////////////////////
///////////////// constructors ////////////////
///////////////////////////////////////////////
inline _zgbmatrix();
inline _zgbmatrix(const _zgbmatrix&);
inline ~_zgbmatrix();//destructor
///////////////////////////////////////////////
////////////////// functions //////////////////
///////////////////////////////////////////////
//////// cast ////////
inline _zgematrix to_zgematrix() const;
//////// io ////////
inline comple& operator()(const long&, const long&) const;
inline friend std::ostream& operator<<(std::ostream&, const _zgbmatrix&);
inline void write(const char*) const;
//////// misc ////////
inline void nullify() const;
inline void destroy() const;
//////// calc ////////
inline friend _zgbmatrix t(const _zgbmatrix&);
inline friend _zgematrix i(const _zgbmatrix&);
inline friend _zgbmatrix conj(const _zgbmatrix&);
inline friend _zgbmatrix conjt(const _zgbmatrix&);
///////////////////////////////////////////////
///////////// numerical operators /////////////
///////////////////////////////////////////////
//////// unary ////////
inline friend const _zgbmatrix& operator+(const _zgbmatrix&);
inline friend _zgbmatrix operator-(const _zgbmatrix&);
//////// + ////////
inline friend _zgematrix operator+(const _zgbmatrix&, const zgematrix&);
inline friend _zgematrix operator+(const _zgbmatrix&, const _zgematrix&);
inline friend _zgematrix operator+(const _zgbmatrix&, const zhematrix&);
inline friend _zgematrix operator+(const _zgbmatrix&, const _zhematrix&);
inline friend _zgbmatrix operator+(const _zgbmatrix&, const zgbmatrix&);
inline friend _zgbmatrix operator+(const _zgbmatrix&, const _zgbmatrix&);
inline friend _zgematrix operator+(const _zgbmatrix&, const zgsmatrix&);
inline friend _zgematrix operator+(const _zgbmatrix&, const _zgsmatrix&);
inline friend _zgematrix operator+(const _zgbmatrix&, const zhsmatrix&);
inline friend _zgematrix operator+(const _zgbmatrix&, const _zhsmatrix&);
//////// - ////////
inline friend _zgematrix operator-(const _zgbmatrix&, const zgematrix&);
inline friend _zgematrix operator-(const _zgbmatrix&, const _zgematrix&);
inline friend _zgematrix operator-(const _zgbmatrix&, const zhematrix&);
inline friend _zgematrix operator-(const _zgbmatrix&, const _zhematrix&);
inline friend _zgbmatrix operator-(const _zgbmatrix&, const zgbmatrix&);
inline friend _zgbmatrix operator-(const _zgbmatrix&, const _zgbmatrix&);
inline friend _zgematrix operator-(const _zgbmatrix&, const zgsmatrix&);
inline friend _zgematrix operator-(const _zgbmatrix&, const _zgsmatrix&);
inline friend _zgematrix operator-(const _zgbmatrix&, const zhsmatrix&);
inline friend _zgematrix operator-(const _zgbmatrix&, const _zhsmatrix&);
//////// * ////////
inline friend _zcovector operator*(const _zgbmatrix&, const zcovector&);
inline friend _zcovector operator*(const _zgbmatrix&, const _zcovector&);
inline friend _zgematrix operator*(const _zgbmatrix&, const zgematrix&);
inline friend _zgematrix operator*(const _zgbmatrix&, const _zgematrix&);
inline friend _zgematrix operator*(const _zgbmatrix&, const zhematrix&);
inline friend _zgematrix operator*(const _zgbmatrix&, const _zhematrix&);
inline friend _zgbmatrix operator*(const _zgbmatrix&, const zgbmatrix&);
inline friend _zgbmatrix operator*(const _zgbmatrix&, const _zgbmatrix&);
inline friend _zgematrix operator*(const _zgbmatrix&, const zgsmatrix&);
inline friend _zgematrix operator*(const _zgbmatrix&, const _zgsmatrix&);
inline friend _zgematrix operator*(const _zgbmatrix&, const zhsmatrix&);
inline friend _zgematrix operator*(const _zgbmatrix&, const _zhsmatrix&);
inline friend _zgbmatrix operator*(const _zgbmatrix&, const double&);
inline friend _zgbmatrix operator*(const _zgbmatrix&, const comple&);
//////// / ////////
inline friend _zgbmatrix operator/(const _zgbmatrix&, const double&);
inline friend _zgbmatrix operator/(const _zgbmatrix&, const comple&);
//////// double, complex ////////
inline friend _zgbmatrix operator*(const double&, const _zgbmatrix&);
inline friend _zgbmatrix operator*(const comple&, const _zgbmatrix&);
};