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implemented NRVec_from1 (indexing from 1)

This commit is contained in:
Jiri Pittner 2021-05-13 14:16:05 +02:00
parent 0d9d9e5b07
commit 36d473dfb9
1 changed files with 54 additions and 0 deletions
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54
vec.h
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@ -364,6 +364,60 @@ public:
namespace LA {
/***************************************************************************//**
* implements \c NRVec<T> functionality with indexing from 1
* all possible constructors have to be given explicitly, other stuff is inherited
* with exception of the operator() which differs
******************************************************************************/
template<typename T>
class NRVec_from1 : public NRVec<T> {
public:
NRVec_from1(): NRVec<T>() {};
explicit NRVec_from1(const int n): NRVec<T>(n) {};
NRVec_from1(const NRVec<T> &rhs): NRVec<T>(rhs) {};//!< be able to convert the parent class transparently to this
NRVec_from1(const T &a, const int n): NRVec<T>(a, n) {};
NRVec_from1(const T *a, const int n): NRVec<T>(a, n) {};
inline const T& operator[] (const int i) const;
inline T& operator[] (const int i);
};
/***************************************************************************//**
* indexing operator giving the element at given position with range checking in
* the DEBUG mode
* @param[in] i position of the required vector element (starting from 0)
* @return reference to the requested element
******************************************************************************/
template <typename T>
inline T& NRVec_from1<T>::operator[](const int i) {
#ifdef DEBUG
if(_LA_count_check && *NRVec<T>::count != 1) laerror("possible use of NRVec[] with count>1 as l-value");
if(i < 1 || i > NRVec<T>::nn) laerror("out of range");
if(!NRVec<T>::v) laerror("unallocated NRVec");
#endif
NOT_GPU(*this);
return NRVec<T>::v[i-1];
}
/***************************************************************************//**
* indexing operator giving the element at given position with range checking in
* the DEBUG mode
* @param[in] i position of the required vector element (starting from 0)
* @return constant reference to the requested element
******************************************************************************/
template <typename T>
inline const T& NRVec_from1<T>::operator[](const int i) const {
#ifdef DEBUG
if(i < 1 || i > NRVec<T>::nn) laerror("out of range");
if(!NRVec<T>::v) laerror("unallocated NRVec");
#endif
NOT_GPU(*this);
return NRVec<T>::v[i-1];
}
/***************************************************************************//**
* output operator
* @param[in,out] s output stream