on Sat, 31 Aug 2002 04:30:34 GMT, [EMAIL PROTECTED] (Sudarshan
Raghavan) wrote:
> My statement was far too general, what I should have said was to
> have a unsorted array of 1000 or more elements when your problem
> requires finding the max or min of that list is not a good design.
Again, I beg to differ. I'll use the same example (GD::Graph) to
explain myself.
Say you want to graph a mathematical function
y = f(x)
for 0 <= x <= 1000.
GD::Graph wants two arrayrefs, so you do:
my ($x, $y);
for (0..1000) {
$x->[$_] = $_;
$y->[$_] = f($_);
}
To have a nice looking graph, you want to have the top/bottom
coincide with the max/min value of your function, so you need to
calculate ymax and ymin, which, of course, you do in the same for
loop that generates the (x,y) pairs.
--
felix
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