> Can you give a complete minimal example? I just tried the
> following one, and this compiles without problems, as it should:
See below.
> Are you *using* the assignment operator for your class
> somewhere?
Not that I know of.
> Cheers
> -Gerhard
Header file for FGTable:
--- start ---
#include "FGConfigFile.h"
#include "FGXMLElement.h"
#include "FGParameter.h"
#include "FGPropertyManager.h"
#include <sstream>
#include <vector>
using std::vector;
using std::stringstream;
namespace JSBSim {
class FGTable : public FGParameter
{
public:
~FGTable();
FGTable(const FGTable& table);
FGTable (FGPropertyManager* propMan, Element* el);
double GetValue(void) const {};
double GetValue(double key);
double GetValue(double rowKey, double colKey);
double GetValue(double rowKey, double colKey, double TableKey);
void operator<<(FGConfigFile&);
void operator<<(stringstream&);
FGTable& operator<<(const double n);
FGTable& operator<<(const int n);
inline double GetElement(int r, int c) {return Data[r][c];}
inline double GetElement(int r, int c, int t);
void Print(void);
private:
enum type {tt1D, tt2D, tt3D} Type;
double** Data;
vector <FGTable> Tables;
int nRows, nCols, nTables;
int colCounter, rowCounter, tableCounter;
int lastRowIndex, lastColumnIndex, lastTableIndex;
double** Allocate(void);
FGPropertyManager* const PropertyManager;
void Debug(int from);
};
}
--- end ---
Source file snippet:
--- start ---
FGTable::FGTable(const FGTable& t) :
PropertyManager(t.PropertyManager)
{
Type = t.Type;
colCounter = t.colCounter;
rowCounter = t.rowCounter;
tableCounter = t.tableCounter;
nRows = t.nRows;
nCols = t.nCols;
nTables = t.nTables;
Tables = t.Tables;
Data = Allocate();
for (int r=0; r<=nRows; r++) {
for (int c=0; c<=nCols; c++) {
Data[r][c] = t.Data[r][c];
}
}
lastRowIndex = t.lastRowIndex;
lastColumnIndex = t.lastColumnIndex;
lastTableIndex = t.lastTableIndex;
}
--- end ---
The exact error message given from the Borland compiler is:
"_algobase.h": E2125 Compiler could not generate operator= for class
'JSBSim::FGTable' in
function _STL::JSBSim::FGTable * __copy<const JSBSim::FGTable *,JSBSim::FGTable
*,int>(const JSBSim::FGTable *,const JSBSim::FGTable *,JSBSim::FGTable *,const
random_access_iterator_tag &,int *) at line 145
The exact error message given from the gcc compiler in CygWin is:
g++ -I. -Isimgear/props -oFGTable.o -c FGTable.cpp
/usr/include/c++/3.3.1/bits/stl_algobase.h: In member function `
JSBSim::FGTable& JSBSim::FGTable::operator=(const JSBSim::FGTable&)':
/usr/include/c++/3.3.1/bits/stl_algobase.h:241: instantiated from `_OutputIter
std::__copy(_RandomAccessIter, _RandomAccessIter, _OutputIter,
std::random_access_iterator_tag) [with _RandomAccessIter = JSBSim::FGTable*,
_OutputIter =
JSBSim::FGTable*]'
/usr/include/c++/3.3.1/bits/stl_algobase.h:241: error: non-static const member
`JSBSim::FGPropertyManager* const JSBSim::FGTable::PropertyManager', can't
use default assignment operator
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