/usr/include/xtensor/xnoalias.hpp is in xtensor-dev 0.10.11-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2016, Johan Mabille, Sylvain Corlay and Wolf Vollprecht *
* *
* Distributed under the terms of the BSD 3-Clause License. *
* *
* The full license is in the file LICENSE, distributed with this software. *
****************************************************************************/
#ifndef XNOALIAS_HPP
#define XNOALIAS_HPP
#include "xsemantic.hpp"
namespace xt
{
template <class A>
class noalias_proxy
{
public:
noalias_proxy(A& a) noexcept;
template <class E>
A& operator=(const xexpression<E>& e);
template <class E>
A& operator+=(const xexpression<E>& e);
template <class E>
A& operator-=(const xexpression<E>& e);
template <class E>
A& operator*=(const xexpression<E>& e);
template <class E>
A& operator/=(const xexpression<E>& e);
private:
A& m_array;
};
template <class A>
noalias_proxy<A> noalias(A& a) noexcept;
/********************************
* noalias_proxy implementation *
********************************/
template <class A>
inline noalias_proxy<A>::noalias_proxy(A& a) noexcept
: m_array(a)
{
}
template <class A>
template <class E>
inline A& noalias_proxy<A>::operator=(const xexpression<E>& e)
{
return m_array.assign(e);
}
template <class A>
template <class E>
inline A& noalias_proxy<A>::operator+=(const xexpression<E>& e)
{
return m_array.plus_assign(e);
}
template <class A>
template <class E>
inline A& noalias_proxy<A>::operator-=(const xexpression<E>& e)
{
return m_array.minus_assign(e);
}
template <class A>
template <class E>
inline A& noalias_proxy<A>::operator*=(const xexpression<E>& e)
{
return m_array.multiplies_assign(e);
}
template <class A>
template <class E>
inline A& noalias_proxy<A>::operator/=(const xexpression<E>& e)
{
return m_array.divides_assign(e);
}
template <class A>
inline noalias_proxy<A> noalias(A& a) noexcept
{
return noalias_proxy<A>(a);
}
}
#endif
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