comparison armadillo-3.900.4/include/armadillo_bits/access.hpp @ 49:1ec0e2823891

Switch to using subrepo copies of qm-dsp, nnls-chroma, vamp-plugin-sdk; update Armadillo version; assume build without external BLAS/LAPACK

+// Copyright (C) 2008-2013 NICTA (www.nicta.com.au)
+// Copyright (C) 2008-2013 Conrad Sanderson
+// 
+// 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); }
+  };
+
+
+//! @}