>>Hi Jos,
>>
>>I think (hope) that most people here agree that the mdot is especially important in loops where the number of loops is high. But outside loops, the gain is usually ignorable, so it's more a matter of habit and taste, as long as one avoids the problems of having memory variables with the same names as field.
>>
>SNIP
>
>But then, of course, comes the "big question"... if one is going to use mdot sometimes (in loops) then why not use it all the time?
>
As I wrote, it's more a matter of habit and taste.

>[when I say 'all the time' I mean where it is "necessary" but can accept that someone might use it everywhere just to make for consistency/clarity in code]
>
>cheers