const int maxIdFun=14;
 
FunctionEntry FunctionArray [] =
{
    log,  "log",
    log10,"log10",
    exp,  "exp",
    sqrt, "sqrt",
    sin,  "sin",
    cos,  "cos",
    tan,  "tan",
    CoTan,"cotan",
    sinh, "sinh",
    cosh, "cosh",
    tanh, "tanh",
    asin, "asin",
    acos, "acos",
    atan, "atan",
};
 
FunctionTable::FunctionTable(SymbolTable& symTab,FunctionEntry* funArr)
    :_size(0)
{
 
    assert(maxIdFun==sizeof FunctionArray/sizeof FunctionArray[0])
 
    for(int i=0; i<maxIdFun; ++i)
    {
        int len=strlen(funArr[i].strFun);
        if(len==0)
            break;
        _pFun[i]=funArr[i].pFun;
        cout<< funArr[i].strFun<<endl;
        int j=symTab.ForceAdd(funArr[i].strFun,len);
        assert(i==j);
        ++_size;
    }
}