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diffabs return normtype entity, elementwise abs() implemented

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Jiri Pittner
2021-11-13 19:00:46 +01:00
parent f5d1a13a18
commit b1fea2f1c2
3 changed files with 44 additions and 15 deletions
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16
vec.h
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@@ -426,7 +426,8 @@ public:
}
NRVec diffabs(const NRVec &rhs) const; //difference of absolute values
NRVec<typename LA_traits<T>::normtype> diffabs(const NRVec &rhs) const; //difference of absolute values
NRVec<typename LA_traits<T>::normtype> abs() const; //element-wise absolute values
};
@@ -834,18 +835,27 @@ inline NRVec<T> & NRVec<T>::operator-=(const NRVec<T> &rhs) {
* @return reference to the modified vector
******************************************************************************/
template <typename T>
NRVec<T> NRVec<T>::diffabs(const NRVec<T> &rhs) const {
NRVec<typename LA_traits<T>::normtype> NRVec<T>::diffabs(const NRVec<T> &rhs) const {
#ifdef DEBUG
if (nn != rhs.nn) laerror("incompatible dimensions");
#endif
NOT_GPU(*this);
NOT_GPU(rhs);
NRVec<T> r(nn);
NRVec<typename LA_traits<T>::normtype> r(nn);
for(int i=0; i<nn; ++i) r[i] = MYABS(v[i]) - MYABS(rhs.v[i]);
return r;
}
template <typename T>
NRVec<typename LA_traits<T>::normtype> NRVec<T>::abs() const {
NOT_GPU(*this);
NRVec<typename LA_traits<T>::normtype> r(nn);
for(int i=0; i<nn; ++i) r[i] = MYABS(v[i]);
return r;
}
/***************************************************************************//**
* multiply this general vector \f$\vec{x}\f$ by scalar value \f$\lambda\f$