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105 lines
2.1 KiB
C++
105 lines
2.1 KiB
C++
// Copyright (C) 2003 CEA/DEN, EDF R&D
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//
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//
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//
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// File : VISU_DatConvertor.hxx
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// Author : Alexey PETROV
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// Module : VISU
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#ifndef MED_Utilities_HeaderFile
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#define MED_Utilities_HeaderFile
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#include <iostream>
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#include <sstream>
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#include <string>
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#include <stdexcept>
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#include <cassert>
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namespace UNV{
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using namespace std;
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class PrefixPrinter{
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static int myCounter;
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public:
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PrefixPrinter();
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~PrefixPrinter();
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static string GetPrefix();
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};
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/**
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* @returns \p false when error occured, \p true otherwise.
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* Adjusts the \p in_stream to the beginning of the
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* dataset \p ds_name.
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*/
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inline bool beginning_of_dataset(std::istream& in_file, const std::string& ds_name)
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{
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assert (in_file.good());
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assert (!ds_name.empty());
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std::string olds, news;
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while(true){
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in_file >> olds >> news;
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/*
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* a "-1" followed by a number means the beginning of a dataset
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* stop combing at the end of the file
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*/
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while( ((olds != "-1") || (news == "-1") ) && !in_file.eof() ){
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olds = news;
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in_file >> news;
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}
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if(in_file.eof())
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return false;
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if (news == ds_name)
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return true;
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}
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// should never end up here
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return false;
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}
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/**
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* Method for converting exponential notation
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* from "D" to "e", for example
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* \p 3.141592654D+00 \p --> \p 3.141592654e+00
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* in order to make it readable for C++.
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*/
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inline double D_to_e(std::string& number)
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{
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/* find "D" in string, start looking at
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* 6th element, to improve speed.
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* We dont expect a "D" earlier
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*/
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const int position = number.find("D",6);
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if(position != std::string::npos){
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number.replace(position, 1, "e");
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}
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return atof (number.c_str());
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}
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};
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#ifndef MESSAGE
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#define MESSAGE(msg) std::cout<<__FILE__<<"["<<__LINE__<<"]::"<<msg<<endl;
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#define BEGMSG(msg) std::cout<<UNV::PrefixPrinter::GetPrefix()<<msg
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#define ADDMSG(msg) std::cout<<msg
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#endif
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#ifndef EXCEPTION
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#define EXCEPTION(TYPE, MSG) {\
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std::ostringstream aStream;\
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aStream<<__FILE__<<"["<<__LINE__<<"]::"<<MSG;\
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throw TYPE(aStream.str());\
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}
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#endif
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#endif
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