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Subject: Re: [boost] Review manager for Boost QVM?
From: Peter Dimov (lists_at_[hidden])
Date: 2014-06-06 18:28:02

Emil Dotchevski wrote:
> You need a cast, and my understanding is that that makes your code not
> portable because it violates the strict aliasing rule.

For float v[4][4], &v[0][0] is not a cast and gives you a float* p such that
the elements are in [p+0, p+16).

A reinterpret_cast to float(&)[16] is an interesting theoretical question. I
think that it doesn't violate the aliasing rules, but g++ is in the habit of
disagreeing with such statements.

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