ViennaCL - The Vienna Computing Library  1.7.0
Free open-source GPU-accelerated linear algebra and solver library.
clear.hpp
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1 #ifndef VIENNACL_TRAITS_CLEAR_HPP_
2 #define VIENNACL_TRAITS_CLEAR_HPP_
3 
4 /* =========================================================================
5  Copyright (c) 2010-2015, Institute for Microelectronics,
6  Institute for Analysis and Scientific Computing,
7  TU Wien.
8  Portions of this software are copyright by UChicago Argonne, LLC.
9 
10  -----------------
11  ViennaCL - The Vienna Computing Library
12  -----------------
13 
14  Project Head: Karl Rupp rupp@iue.tuwien.ac.at
15 
16  (A list of authors and contributors can be found in the manual)
17 
18  License: MIT (X11), see file LICENSE in the base directory
19 ============================================================================= */
20 
25 #include <string>
26 #include <fstream>
27 #include <sstream>
28 #include "viennacl/forwards.h"
29 
30 #include "viennacl/traits/size.hpp"
31 
32 #include <vector>
33 #include <map>
34 
35 namespace viennacl
36 {
37 namespace traits
38 {
39 
40 //clear:
42 template<typename VectorType>
43 void clear(VectorType & vec)
44 {
45  typedef typename viennacl::result_of::size_type<VectorType>::type size_type;
46 
47  for (size_type i=0; i<viennacl::traits::size(vec); ++i)
48  vec[i] = 0; //TODO: Quantity access can also be wrapped...
49 }
50 
52 template<typename ScalarType, unsigned int AlignmentV>
53 void clear(viennacl::vector<ScalarType, AlignmentV> & vec)
54 {
55  vec.clear();
56 }
57 
58 } //namespace traits
59 } //namespace viennacl
60 
61 
62 #endif
viennacl::result_of::size_type::type
T::size_type type
Definition: result_of.hpp:141
size.hpp
Generic size and resize functionality for different vector and matrix types.
viennacl::traits::clear
void clear(VectorType &vec)
Generic routine for setting all entries of a vector to zero. This is the version for non-ViennaCL obj...
Definition: clear.hpp:43
forwards.h
This file provides the forward declarations for the main types used within ViennaCL.
viennacl
Main namespace in ViennaCL. Holds all the basic types such as vector, matrix, etc. and defines operations upon them.
Definition: cpu_ram.hpp:34
viennacl::traits::size
vcl_size_t size(VectorType const &vec)
Generic routine for obtaining the size of a vector (ViennaCL, uBLAS, etc.)
Definition: size.hpp:235
viennacl::vector_base< NumericT >::clear
void clear()
Resets all entries to zero. Does not change the size of the vector.