/usr/include/armadillo_bits/access.hpp is in libarmadillo-dev 1:4.200.0+dfsg-1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | // Copyright (C) 2008-2013 Conrad Sanderson
// Copyright (C) 2008-2013 NICTA (www.nicta.com.au)
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
//! \addtogroup access
//! @{
class access
{
public:
//! internal function to allow modification of data declared as read-only (use with caution)
template<typename T1> arma_inline static T1& rw (const T1& x) { return const_cast<T1& >(x); }
template<typename T1> arma_inline static T1*& rwp(const T1* const& x) { return const_cast<T1*&>(x); }
//! internal function to obtain the real part of either a plain number or a complex number
template<typename eT> arma_inline static const eT& tmp_real(const eT& X) { return X; }
template<typename T> arma_inline static const T tmp_real(const std::complex<T>& X) { return X.real(); }
//! internal function to work around braindead compilers
template<typename eT> arma_inline static const typename enable_if2<is_not_complex<eT>::value, const eT&>::result alt_conj(const eT& X) { return X; }
template<typename eT> arma_inline static const typename enable_if2< is_complex<eT>::value, const eT >::result alt_conj(const eT& X) { return std::conj(X); }
};
//! @}
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