C-style expression processing...

[Bakul Shah]

> I am trying to add a new feature in Gridengine
> (free/opensource) to support ex-LSF users - there are
> more and more LSF users migrating to Gridengine), and
> some requested this one:
> 
> In LSF, a user can specify from the command line the
> resource requirements of a batch job:
> 
>  (mem >= 100 || pg < 200.0)
> 
> Where mem and pg are variables (they changes in time,
> and the master cluster scheduler has the most
> up-to-date information). And what I need is to find
> out whether the expression is true or not.
> 
> My question is, is there an expression processing
> library that can handle complex equations easily?

See
	http://www.bitblocks.com/src/expr

BSD style copyright.  README has some notes to help you turn
it into what you want.