invalid cast of an rvalue expression

[Foster Boondoggle]

Hi Adam99 - Did you ever get a reply to this? I have the exact same problem
(indeed, with SqMatrix and Matrix, though I had though I wrote the class
many years ago!) I can't seem to get it to compile in any form with the
latest gcc.

Thanks.
Oren


adam99 wrote:
> 
> 
> 
> I am getting a following error on g++ 4.1.2
> 
> 
> SqMatrix.h: In member function 'SqMatrix SqMatrix::operator*(const
> SqMatrix&) const':
> SqMatrix.h:91: error: invalid cast of an rvalue expression of type
> 'Matrix' to type 'const SqMatrix&'
> 
> 
> for the following code segment
> 
>      SqMatrix  operator * (const SqMatrix &sm) const {
>          return (const SqMatrix &) (*(Matrix *)this * sm); }
> 
> 
> this error did not seem to appear on g++ 3.4.6. Do you know what could be
> the problem?
> 
> Thanks
> 
> 
> 
> 

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