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use strict;
use warnings;
use Test::More;
use PDL::LiteF;
use PDL::Fit::Polynomial;
my $x = sequence(20)-10;
my $y = 30-2*$x+3*$x**2-2*$x**3;
# Random numbers, generated by grandom($y)*100
# Hard-wired to avoid OS seed variations barfing test
my $rand = pdl qw/65.735917 -40.510143 -122.07767 -19.591344 -139.76362
106.44639 -0.30094068 -5.3129683 49.815455 97.247868 -9.3130775
19.585472 8.5260268 -194.49596 73.822799 25.628967 133.36015 -2.6611465
9.0335632 -0.82946383/;
$y += $rand;
#points $x,$y;
my $yfit = fitpoly1d($x,$y,4);
#hold; line $x, $yfit;
ok(max(abs($y-$yfit)) < 220); # need to add 10 for windows
done_testing;
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