/*  Copyright (C) 2004 Caltech  Written by Lexing Ying*/#ifndef _NUMVEC_HPP_#define _NUMVEC_HPP_#include "fdct_usfft_inc.hpp"using std::ostream;using std::istream;using std::ios_base;FDCT_USFFT_NS_BEGIN_NAMESPACE//-------------------------------------------------template <class F>class NumVec {public:  int _m;  F* _data;public:  NumVec(int m=0): _m(m), _data(NULL) {	 if(_m>0) {		_data = new F[_m]; assert( _data!=NULL );	 memset(_data, 0, _m*sizeof(F));	 } else		_data=NULL;  }  NumVec(const NumVec& C): _m(C._m) {	 if(_m>0) {		_data = new F[_m]; assert( _data!=NULL );	 memset(_data, 0, _m*sizeof(F));	 } else 		_data=NULL;	 if(_m>0) {		memcpy( _data, C._data, _m*sizeof(F) );	 }  }  ~NumVec() {	 if(_m>0) {		delete[] _data; _data = NULL;	 }  }  NumVec& operator=(const NumVec& C) {	 if(_m>0) {		delete[] _data; _data = NULL;	 }	 _m = C._m;	 if(_m>0) {		_data = new F[_m]; assert( _data!=NULL );	 memset(_data, 0, _m*sizeof(F));	 } else		_data = NULL;	 if(_m>0) {		memcpy( _data, C._data, _m*sizeof(F) );	 }	 return *this;  }  void resize(int m)  {	 if(_m!=m) {		if(_m>0) {		  delete[] _data; _data = NULL;		}		_m = m;		if(_m>0) {		  _data = new F[_m]; assert( _data!=NULL );		memset(_data, 0, _m*sizeof(F));		}		else		  _data = NULL;	 }  }  const F& operator()(int i) const  { 	 assert( i>=0 && i<_m);	 return _data[i];  }  F& operator()(int i)  { 	 assert( i>=0 && i<_m);	 return _data[i];  }  int m() const { return _m; }  F* data() const { return _data; }};//INPUTtemplate <class F> inline istream& operator>>(istream& is, NumVec<F>& vec){  int m; is>>m;  vec.resize(m);  for(int i=0; i<vec.m(); i++)	 is>>vec(i);  return is;}//OUTPUTtemplate <class F> inline ostream& operator<<(ostream& os, const NumVec<F>& vec){  os<<vec.m()<<endl;  for(int i=0; i<vec.m(); i++)	 os<<" "<<vec(i)<<endl;  return os;}//SET VALUEtemplate <class F> inline void setvalue(NumVec<F>& vec, F val){  for(int i=0; i<vec.m(); i++)	 M(i) = val;}//CLEARtemplate <class F> inline void clear(NumVec<F>& vec){  memset(vec.data(), 0, vec.m()*sizeof(F));}typedef NumVec<int>    IntNumVec;typedef NumVec<double> DblNumVec;typedef NumVec<cpx>    CpxNumVec;FDCT_USFFT_NS_END_NAMESPACE#endif