/usr/include/viennacl/traits/clear.hpp is in libviennacl-dev 1.5.2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 | #ifndef VIENNACL_TRAITS_CLEAR_HPP_
#define VIENNACL_TRAITS_CLEAR_HPP_
/* =========================================================================
Copyright (c) 2010-2014, Institute for Microelectronics,
Institute for Analysis and Scientific Computing,
TU Wien.
Portions of this software are copyright by UChicago Argonne, LLC.
-----------------
ViennaCL - The Vienna Computing Library
-----------------
Project Head: Karl Rupp rupp@iue.tuwien.ac.at
(A list of authors and contributors can be found in the PDF manual)
License: MIT (X11), see file LICENSE in the base directory
============================================================================= */
/** @file viennacl/traits/clear.hpp
@brief Generic clear functionality for different vector and matrix types
*/
#include <string>
#include <fstream>
#include <sstream>
#include "viennacl/forwards.h"
#ifdef VIENNACL_WITH_UBLAS
#include <boost/numeric/ublas/matrix_sparse.hpp>
#include <boost/numeric/ublas/matrix.hpp>
#endif
#ifdef VIENNACL_WITH_EIGEN
#include <Eigen/Core>
#include <Eigen/Sparse>
#endif
#ifdef VIENNACL_WITH_MTL4
#include <boost/numeric/mtl/mtl.hpp>
#endif
#include "viennacl/traits/size.hpp"
#include <vector>
#include <map>
namespace viennacl
{
namespace traits
{
//clear:
/** @brief Generic routine for setting all entries of a vector to zero. This is the version for non-ViennaCL objects. */
template <typename VectorType>
void clear(VectorType & vec)
{
typedef typename viennacl::result_of::size_type<VectorType>::type size_type;
for (size_type i=0; i<viennacl::traits::size(vec); ++i)
vec[i] = 0; //TODO: Quantity access can also be wrapped...
}
/** @brief Generic routine for setting all entries of a vector to zero. This is the version for ViennaCL objects. */
template <typename ScalarType, unsigned int ALIGNMENT>
void clear(viennacl::vector<ScalarType, ALIGNMENT> & vec)
{
vec.clear();
}
} //namespace traits
} //namespace viennacl
#endif
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