Re: [boost] Boost.Test updates in trunk: need for (mini) review?

Subject: Re: [boost] Boost.Test updates in trunk: need for (mini) review?
From: Thorsten Ottosen (thorsten.ottosen_at_[hidden])
Date: 2012-10-29 06:12:42

On 28-10-2012 17:36, Jan Hudec wrote:

>>  From what's written here, it's hard to know whether "cross product" is
>> wrong or not, but given the number of samples cited, I'm inclined to
>> believe it's probably right.  What result other than the cross product
>> do you think that means?
>
> Any operation that is written with × is called cross product. However
> that symbol is used for different operations in different contexts. Best
> known are two meanings, the "vector product" used in physics and "cartesian
> product" used in set theory and relational algebra.
>
> The kind of product we have here, set of tuples where first member is member
> of first operand and second member is member of second operand, is
> unambiguously called "cartesian product".
>
> So I would probably call it "cartesian product", but "cross product" would
> not be incorrect.

+1 for Cartesian product. For me at least, "cross product" sounded very 
confusing.

-Thorsten