Hi Marek-
Do you have a complete example showing the problem?
You don't show where $m and $s are being set below.
Thanks,
Chris
On 6/16/2015 07:04, Marek Gierliński wrote:
I have recently encountered a weird problem with stats (or statsover)
using bad values. The resulting numbers have a strange property, they
always return true in comparisons. This code:
use PDL;
use PDL::NiceSlice;
my $x = pdl(1, 2, 3, 0);
$x->badflag(1); $x->badvalue(0);
print "m = $m, s = $s\n";
print "s greater than zero\n" if $s > 0;
print "s less than zero\n" if $s < 0;
print "s equals zero\n" if $s == 0;
returns the following output:
x = [1 2 3 BAD]
m = 2, s = 1
s greater than zero
s less than zero
s equals zero
which doesn't make any sense. Can anyone explain this? I always
assumed that 'stats' returned ordinary Perl scalars, but this must be
something different.
I'm using PDL version 2.007. We had an older version installed for a
long time and I think this problem appeared when we upgraded to 2.007.
Marek
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