Unnecessary Macros (was Re: Unnecessary Parenthesis)

[Rob Carriere]

In article <12546 at oberon.USC.EDU> english at stromboli.usc.edu (Joe English) 
writes:
>In article <701 at accelerator.eng.ohio-state.edu> rob at kaa.eng.ohio-state.edu
>(Rob Carriere) writes:
>>I *don't* want to write [in some inner loop]
>>foo = sin( x )*sin( x ) + 1.7;
>Why not?  Unless you're using square() for legibility, the macro
>expansion is going to be sin(x) * sin(x) anyway.

That was the point of the original discussion.  Needlessly evaluating
transcendental functions twice is generally frowned upon in numerical
circles. 

Rob Carriere