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Teuchos_RawParameterListHelpers.cpp
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41 
42 
43 #include "Teuchos_RawParameterListHelpers.hpp"
46 #include "Teuchos_CommHelpers.hpp"
47 
48 TEUCHOSCOMM_LIB_DLL_EXPORT
49 void Teuchos::updateParametersAndBroadcast(
50  const Ptr<ParameterList> &inParamList,
51  const Ptr<ParameterList> &paramList,
52  const Comm<int> &comm,
53  int root,
54  bool overwrite)
55 {
56 
57  if (comm.getSize()==1) {
58  if(overwrite) paramList->setParameters(*inParamList);
59  else paramList->setParametersNotAlreadySet(*inParamList);
60  }
61  else {
62  if (comm.getRank()==root) {
63  XMLParameterListWriter w;
64  std::string xmlString = toString(w.toXML(*inParamList));
65  int strsize = static_cast<int>(xmlString.size());
66  broadcast<int, int>(comm, root, &strsize);
67  broadcast<int, char>(comm, root, strsize, &xmlString[0]);
68  updateParametersFromXmlString(xmlString, paramList,overwrite);
69  }
70  else {
71  int strsize;
72  broadcast<int, int>(comm, root, &strsize);
73  std::string xmlString;
74  xmlString.resize(strsize);
75  broadcast<int, char>(comm, root, strsize, &xmlString[0]);
76  updateParametersFromXmlString(xmlString, paramList,overwrite);
77  }
78  }
79 }
std::string toString(const any &rhs)
Converts the value in any to a std::string.
Writes a ParameterList to an XML object.
Additional ParameterList XML helper functions including parallel support.
TEUCHOSPARAMETERLIST_LIB_DLL_EXPORT void updateParametersFromXmlString(const std::string &xmlStr, const Ptr< ParameterList > &paramList, bool overwrite=true)
Reads XML parameters from a std::string and updates those already in the given parameter list...