[Clp] problems compiling Clp with gcc/g++ 3.3.5

[Michael Hennebry]

On Wed, 11 Feb 2009, John J Forrest wrote:

> Thanks for pointing out the mistake.

You're welcome.
I think I got the reason wrong though.
The real reason (I think) is that string is itself a class template.
That (I think) makes all its methods function templates.
Matches obtained by template instantiation have to be exact matches.
The cast will produce an exact match.

>  From:       Michael Hennebry <hennebry at web.cs.ndsu.nodak.edu>
>
>  To:         Kish Shen <kisshen at cisco.com>
>
>  Cc:         clp at list.coin-or.org
>
>  Date:       02/11/2009 12:52 AM
>
>  Subject:    Re: [Clp] problems compiling Clp with gcc/g++ 3.3.5
>
>
>
>
>
>
> On Tue, 10 Feb 2009, Kish Shen wrote:

>>     CoinStructuredModel structured;
>>     int numberBlocks=5;
>>     for (int i=0;i<numberBlocks;i++) {
>>       std::string topName="row_master";
>>       std::string blockName="block_";
>>       blockName.append(1,'a'+i);
>
> 'a'+1 is an int, but is probably intended to be a char.
> append is rather overloaded.
> I think that int to char is not one of the
> allowed conversions for overload resolution.
> None of the non-template methods matched,
> so the compiler inferred you wanted a template method,
> but that didn't match either.
> As the last thing tried, it got mentioned in the error message.
>
> An explicit cast should fix it.

-- 
Michael   hennebry at web.cs.ndsu.NoDak.edu
"Pessimist: The glass is half empty.
Optimist:   The glass is half full.
Engineer:   The glass is twice as big as it needs to be."