Re: [Lapackpp-devel] How to solve this compiling error on Compaq Tru64 UNIX

[Christian S. <sti...@tu...>]

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Hi,

I'm sorry, your compiler and stdc++ environment is so different from
what I have that I actually can't help you here. Lapackpp uses the
<iosfwd> include file, which is part of a "normal" standard c++ library,
but if your system has a "non-normal" c++ library, then you have to
figure out the differences for yourself. Same for std::ostringstream.

Maybe instead of <iosfwd> you can include <ostream> or <istream>,
whichever is needed.

Maybe instead of std::ostringstream, the class might be called
std::ostrstream on your system.

Christian

Cheng Guo schrieb:
> It solved the problem, thank you!
> 
> However I encountered  another three kinds of error which I think is
> related. The first kind is like  this:
> _______________________________________________________________________________________
> 
> cxx: Error: ../../include/vd.h, line 119: namespace "std" has no member
>          "ostream"
>    friend std::ostream&   operator<<(std::ostream&, const VectorDouble&);
> ----------------^
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 
> Deleting all the "std::" in the source file can solve this problem
> thought it's not a very easy task.
> 
> Second problem is:
> _______________________________________________________________________________________
> 
> cxx: Error: /usr/lib/cmplrs/cxx/V6.5-014/include/cxx/iosfwd, line 58:
> #error
>          directive: "cannot include iosfwd -- define __USE_STD_IOSTREAM to
>          override default - see section 7.1.2 of the C++ Using Guide"
> #error "cannot include iosfwd -- define __USE_STD_IOSTREAM to override
> default - see section 7.1.2 of the C++ Using Guide"
> -^
> cxx: Error: /usr/lib/cmplrs/cxx/V6.5-014/include/cxx/sstream, line 58:
> #error
>          directive: "cannot include sstream -- define __USE_STD_IOSTREAM to
>          override default - see section 7.1.2 of the C++ Using Guide"
> #error "cannot include sstream -- define __USE_STD_IOSTREAM to override
> default - see section 7.1.2 of the C++ Using Guide"
> -^
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 
> The third error is:
> __________________________________________________________________________________________
> 
> cxx: Error: ../../include/lacomplex, line 487: identifier
> "ostringstream" is
>          undefined
>          detected during instantiation of "ostream
> &la::operator<<(ostream &,
>                    const la::complex<_Tp> &) [with _Tp=double]"
>      ostringstream __s;
> ------^
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 
> 
> I don't know how to get rid of them.
> 
> 
> 
> Cheng
> 
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