source: XIOS/trunk/src/transformation/Functions/min.cpp @ 888

Last change on this file since 888 was 888, checked in by mhnguyen, 5 years ago

Adding new transformation for scalar: Reducing an axis to a scalar

+) Add new xml node for new transformation
+) Add new algorithms for axis reduction
+) Make change in some place to make sure everything work fine

Test
+) On Curie
+) Tests pass and are correct

File size: 1.2 KB
Line 
1/*!
2   \file min.cpp
3   \author Ha NGUYEN
4   \since 27 June 2016
5   \date 27 June 2016
6
7   \brief min reduction
8 */
9#include "min.hpp"
10
11namespace xios {
12
13CMinReductionAlgorithm::CMinReductionAlgorithm()
14  : CReductionAlgorithm()
15{
16}
17
18CReductionAlgorithm* CMinReductionAlgorithm::create()
19{
20  return (new CMinReductionAlgorithm());
21}
22
23bool CMinReductionAlgorithm::registerTrans()
24{
25  return registerOperation(TRANS_REDUCE_MIN, CMinReductionAlgorithm::create);
26}
27
28void CMinReductionAlgorithm::apply(const std::vector<std::pair<int,double> >& localIndex,
29                                   const double* dataInput,
30                                   CArray<double,1>& dataOut,
31                                   std::vector<bool>& flagInitial)
32{
33  int nbLocalIndex = localIndex.size();
34  int currentlocalIndex = 0;
35  for (int idx = 0; idx < nbLocalIndex; ++idx)
36  {
37    currentlocalIndex = localIndex[idx].first;
38    if (flagInitial[currentlocalIndex])
39    {
40      dataOut(currentlocalIndex) = *(dataInput + idx);
41      flagInitial[currentlocalIndex] = false;
42    }
43    else
44    {
45      dataOut(currentlocalIndex) = std::min(*(dataInput + idx), dataOut(currentlocalIndex));
46    }
47  }
48}
49
50}
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