Re: More problems with CINT

On Apr 1, 2010, at 4:36 PM, Cedric Sodhi wrote:

> Hello (again), as if I had made no progress I'm back at that very
> simple file parser that made me contact this mailing list for the
> first time but which I eventually dropped for other reasons. Again,
> ISO compliant code (I know, in terms of CINT that holds no
> relevance at all)

Ah, not really fair. Yes, CINT plays fast-and-loose a bit. But in general actual standard C++ *will* run. I'm not sure CINT is necessarily exactly ISO compliant in this case, but I have a simple fix...

> and again an error which I dont understand, attached code, error
> message:
>
> Error: Can't call deque<double,allocator<double> >::deque<double >
> () in current scope auswertung.cpp:9:
> Possible candidates are...
> (in deque<double,allocator<double> >)

Read this error message. Count to 9.

> *** Interpreter error recovered ***
> #include <vector>
> #include <deque>
> #include <iostream>
> #include <fstream>
> #include <sstream>
> #include <algorithm>
>
> std::deque< double >* readCassy( const char *filePath,const
> std::vector< char > &columns ) {
> std::deque< double > *result = new std::deque< double >;

There is the offending line. Try:

std::deque< double > * result = new std::deque< double >();

 From a simple root session:

root [0] #include <deque>
root [1] std::deque< double > * result = new std::deque< double >; Error: Can't call deque<double,allocator<double> >::deque<double >() in current scope (tmpfile):1:
Possible candidates are...
(in deque<double,allocator<double> >)
*** Interpreter error recovered ***
root [2] std::deque< double > * result = new std::deque< double >();

Hmmm, looks like a CINT issue since both, I believe, should be valid. If you compiled your macro w/ ACLiC you could test whether the compiler thinks your code is on the up-and-up. I.e.

  $ root -b -q auswertung.C++

and run with that to avoid any CINT, ah, peculiarities...

> std::ifstream inFile( filePath );
> if( inFile.bad( ) )
> std::cout << "readCassy: Could not open file '" << filePath <<
> "'" << std::endl;
> std::string lastLine = "";
> std::string lastField = "";
> double fieldValue = 0.0;
> while( lastLine.find( "\t" )== std::string::npos )
> std::getline( inFile,lastLine );
> while( lastLine.find( "\t" )!= std::string::npos ) {
> std::istringstream lineData( lastLine );
> for( char field = 0; std::getline( lineData,lastField,'\t' );
> field++ )
> if( find( columns.begin( ),columns.end( ),field )!= columns.end
> ( ) ) {
> std::istringstream fieldData( lastField );
> fieldData >> fieldValue;
> std::cout << fieldValue << " ";
> result->push_back( fieldValue );
> }
> std::cout << std::endl;
> std::getline( inFile,lastLine );
> }
> return result;
> }
>
> void auswertung( ) {
> std::vector< char > cols;
> cols.push_back( 1 );
> cols.push_back( 2 );
> std::deque< double >* data = readCassy( "/home/manday/Documents/
> University/Physik Praktikum/Akustik/cassy/sync2.lab",cols );
> }

Robert W. Hatcher | rhatcher_at_fnal.gov 630-840-3102 FNAL CD/REX (MINOS) | MS 220, PO Box 500, Batavia IL 60510 Received on Thu Apr 01 2010 - 23:55:20 CEST