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Blitz Support : |
From: Virgilio, Vincent (Vincent.Virgilio_at_[hidden])
Date: 2004-01-12 08:30:16
Hello David,
Disclaimer: I know nothing about VS .NET, C#, or other Microsoft things
near C++.
First, food for thought. Might your compiler be complaining about
multiple identical (template) instantiations of the
blitz::Vector<P_numtype> constructor, and then eliminating all but one?
Thus, a warning, then, a successful link?
Second, class A doesn't look like standard C++ to me. Shouldn't those
arguments you're providing to the (B) data member be in a member
initializer list, rather than in the member declaration? I.e.
class A {
blitz::Array<double, 2> B;
public:
A() : B(2, 2, FortranArray<2>()) {}
void func();
}
Of course, as you said, you could put B on the stack in func() to make
this work differently.
Vince Virgilio
-----Original Message-----
From: blitz-support-bounces_at_[hidden]
[mailto:blitz-support-bounces_at_[hidden]] On Behalf Of David Johnson
Sent: Friday, January 09, 2004 3:23 PM
To: blitz-support_at_[hidden]
Subject: [Blitz-support] VS .NET questions
Hi,
Two questions.
I'm using VS.NET 2003 under W2K.
I think I've successfully installed and tested Blitz since all of the
testsuite programs run. But I get the following warning with almost
every compile in my own test program.
:\Blitz\blitz\vector.h(458) : warning C4521: 'blitz::Vector<P_numtype>'
: multiple copy constructors specified
with
[
P_numtype=int
]
C:\Blitz\blitz\vecpick.h(290) : see reference to class template
instantiation 'blitz::Vector<P_numtype>' being compiled
with
[
P_numtype=int
]
C:\Blitz\blitz\vecpick.h(291) : see reference to class template
instantiation 'blitz::VectorPick<P_numtype>' being compiled
It seems to run, but we try and eliminate all warnings in our code.
Second question:
The following fails to compile:
class A
{
public:
blitz::Array<double,2> B(2,2,FortranArray<2>() );
void func();
};
But if I move the Array definition into func(), it compiles fine.
With the definition in the class definition it gives:
d:\Sindaworks\Code\SWBaseObjects\SWYsmpSolver.h(52) : error C2059:
syntax error : 'constant'
d:\Sindaworks\Code\SWBaseObjects\SWYsmpSolver.h(52) : error C2059:
syntax error : ')'
d:\Sindaworks\Code\SWBaseObjects\SWYsmpSolver.h(52) : error C2143:
syntax error : missing ')' before ';'
Why does it fail in the class definition?
Thanks,
Dave
David Johnson
Cullimore and Ring Tech., Inc.
Voice: 303-471-9622
Fax: 303-971-0035
dave_at_[hidden]
http://www.crtech.com
<http://www.crtech.com/> Hot engineering .... Cool software (tm)
........................................................................
.
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