37 lines
917 B
C++
37 lines
917 B
C++
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// Copyright (C) 2012-2013 National ICT Australia (NICTA)
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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// -------------------------------------------------------------------
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//
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// Written by Conrad Sanderson - http://conradsanderson.id.au
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//! \addtogroup fn_spones
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//! @{
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//! Generate a sparse matrix with the non-zero values in the same locations as in the given sparse matrix X,
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//! with the non-zero values set to one
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template<typename T1>
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inline
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SpMat<typename T1::elem_type>
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spones(const SpBase<typename T1::elem_type, T1>& X)
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{
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arma_extra_debug_sigprint();
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typedef typename T1::elem_type eT;
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SpMat<eT> out( X.get_ref() );
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arrayops::inplace_set( access::rwp(out.values), eT(1), out.n_nonzero );
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return out;
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}
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//! @}
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