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Re: [Patch] libstdc++/21244


Paolo Carlini <pcarlini@suse.de> writes:

| Gabriel Dos Reis wrote:
| 
| >| Certainly, when complex arithmetic is
| >| involved we are going to uglify a lot the code, sigh.
| >
| >I think I do not understand this part.  Could you elaborate?
| >  
| >
| In the patch I'm working on, there are instances of ""complex""
| arithmetic involving the anonymous enums values, example from stl_bvector.h:
| 
|       _Bit_type*
|       _M_allocate(size_t __n)
|       { return _M_impl.allocate((__n + _S_word_bit - 1) / _S_word_bit); }
| 
| If I'm not mistaken, since any operator could be potentially overloaded,
| we must change it to this:
| 
|     _Bit_type*
|     _M_allocate(size_t __n)
|     { return _M_impl.allocate((__n + int(_S_word_bit) - 1) /
| int(_S_word_bit)); }
| 
| Agreed?

Yes.  The reason I did not understand was that "complex" tends to mean
something different for me -- when it comes to arithmetic :-)

-- Gaby


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