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StatisticsIncrementer.h
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1 //# Copyright (C) 2000,2001
2 //# Associated Universities, Inc. Washington DC, USA.
3 //#
4 //# This library is free software; you can redistribute it and/or modify it
5 //# under the terms of the GNU Library General Public License as published by
6 //# the Free Software Foundation; either version 2 of the License, or (at your
7 //# option) any later version.
8 //#
9 //# This library is distributed in the hope that it will be useful, but WITHOUT
10 //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 //# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
12 //# License for more details.
13 //#
14 //# You should have received a copy of the GNU Library General Public License
15 //# along with this library; if not, write to the Free Software Foundation,
16 //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
17 //#
18 //# Correspondence concerning AIPS++ should be addressed as follows:
19 //# Internet email: aips2-request@nrao.edu.
20 //# Postal address: AIPS++ Project Office
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24 //#
25 //# $Id: Array.h 21545 2015-01-22 19:36:35Z gervandiepen $
26 
27 #ifndef SCIMATH_STATISTICSINCREMENTER_H
28 #define SCIMATH_STATISTICSINCREMENTER_H
29 
30 #include <casacore/casa/aips.h>
31 
32 namespace casacore {
33 
34 // Utility functions used for incrementing pointers in a data set used by the
35 // stats framework.
36 
37 template <
38  class DataIterator, class MaskIterator=const Bool *,
39  class WeightsIterator=DataIterator
41 public:
42 
43  StatisticsIncrementer() = delete;
44 
46 
47  //<group>
48  // <src>loopCount</src> is always incremented by one, independent of the
49  // value of <src>dataStride</src> and <src>maskStride</src>
50 
51  inline static void increment(
52  DataIterator& datum, uInt64& loopCount, uInt dataStride
53  ) {
54  std::advance(datum, dataStride);
55  ++loopCount;
56  }
57 
58  inline static void increment(
59  DataIterator& datum, uInt64& loopCount,
60  WeightsIterator& weight, uInt dataStride
61  ) {
62  std::advance(datum, dataStride);
63  std::advance(weight, dataStride);
64  ++loopCount;
65  }
66 
67  inline static void increment(
68  DataIterator& datum, uInt64& loopCount, MaskIterator& mask,
69  uInt dataStride, uInt maskStride
70  ) {
71  std::advance(datum, dataStride);
72  std::advance(mask, maskStride);
73  ++loopCount;
74  }
75 
76  inline static void increment(
77  DataIterator& datum, uInt64& loopCount, WeightsIterator& weight,
78  MaskIterator& mask, uInt dataStride, uInt maskStride
79  ) {
80  std::advance(datum, dataStride);
81  std::advance(weight, dataStride);
82  std::advance(mask, maskStride);
83  ++loopCount;
84  }
85  // </group>
86 
87 };
88 
89 }
90 
91 #endif
LatticeExprNode mask(const LatticeExprNode &expr)
This function returns the mask of the given expression.
unsigned long long uInt64
Definition: aipsxtype.h:39
static void increment(DataIterator &datum, uInt64 &loopCount, uInt dataStride)
loopCount is always incremented by one, independent of the value of dataStride and maskStride ...
Utility functions used for incrementing pointers in a data set used by the stats framework.
bool Bool
Define the standard types used by Casacore.
Definition: aipstype.h:42
static void increment(DataIterator &datum, uInt64 &loopCount, MaskIterator &mask, uInt dataStride, uInt maskStride)
static void increment(DataIterator &datum, uInt64 &loopCount, WeightsIterator &weight, MaskIterator &mask, uInt dataStride, uInt maskStride)
static void increment(DataIterator &datum, uInt64 &loopCount, WeightsIterator &weight, uInt dataStride)
unsigned int uInt
Definition: aipstype.h:51
#define casacore
&lt;X11/Intrinsic.h&gt; #defines true, false, casacore::Bool, and String.
Definition: X11Intrinsic.h:42