RE: visual c++ upgrading problem

Posted by cuchulainn on
URL: http://quantlib.414.s1.nabble.com/visual-c-upgrading-problem-tp3536p3547.html

Hi all,

I am working in VS 2005 beta and I have the following remarks. Lets take the class FDMDiector with 2 constructors:

 

FDMDirector

{ // Default constuctor

{m = Mesher();

}

FDMDirector (const Mesher& mesher)

{// Another constructor

m = mesher;

}

TEST PROGRAM IS NOW

int main()

{

using namespace BlackScholesOneFactorIBVP;

sigma = mySigma;

double d = (sigma)(1.0, 3.9);

cout << d << endl;

FDMDirector fdir;

Vector<double, int> c = fdir.current();

return 0;

}

NOW, here are some results:

 

1. If you create a default constructor everything is OK

2. If no default constructor but there is another one, then we get a compiler error

3. If there are no constructors then compiler generates one

 

This is exactlly my problem as wel from VC 6. I have not tested VS 2003 (7.1?)  but maybe it is same problem.

 

I notice that the code generates an anonymous object as a parameter. Maybe ...

 

Hope this helps,

 

Luca, if you have any probllems send me a mail.

 

Ciao e buona serata

 

Daniel

P.S. other nasty problems have to do with templteas and typedefs; some functions must be inline,eespac iterators in STL

 

 

---

From: [hidden email] on behalf of Luca Berardi
Sent: Mon 24/01/2005 16:13
To: [hidden email]
Subject: [Quantlib-users] visual c++ upgrading problem

Hi all

I've just upgraded from Visual C++ 6.0 to Visual C++ 7.1 (MS .Net).
When compiling my own code I could not overcome the problem described below:
The piece of code:

BoxMullerGaussianRng<MersenneTwisterUniformRng>
   generator( MersenneTwisterUniformRng() );
Z = generator.next().value;

generates the following error:

left of '.next' must have class/struct/union type
type is 'overloaded-function'

When compiling the same piece of code with Visual C++ 6.0 I didn't get any
errors, (and I can't see why the above code should produce an error, anyway).

Can someone please help me fix this problem?
Thanks in advance.

Luca Berardi


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