Re: [9front] Re: seq: fix infinite loop

[ori@eigenstate.org]

Quoth Anthony Martin <ality@pbrane.org>:
> But really, if you're playing games at the boundaries
> of floating point precision, you're bound to lose. I
> suggest we either a) do nothing and leave the loop
> exactly as it is described in the manual but add a note
> in the BUGS section, or b) go back to the v8 method
> that calculates the number of steps in the loop before
> executing it. Even with the latter method you can see
> odd results due to precision limitations but at least
> there will be no infinite loops.
> 
> I vote for "a".
> 

I agree -- *BUT* I like the consolidation of the
two loops. I'd take that.

I also wonder if:

	for(val = min; val <= max; val += incr){
		if(val == prev)
			sysfatal("insufficient precision")
		...
		prev = val
	}

covers the infinite loop case sufficiently.