use Test::More;
use PDL;
BEGIN {
eval "use PDL::Slatec;";
if ( !$@ ) {
eval "use PDL::Graphics::Limits;";
plan tests => 3;
} else {
plan skip_all => 'PDL::Slatec not available';
}
};
$x1 = pdl( 1, 2, 3 );
$x2 = pdl( 2, 3, 4 );
$xn = pdl( 0.5, 0.5, 0.5 );
$xp = $xn / 2;
$y1 = pdl( 10, 3, 4 );
$y2 = pdl( -1, 2, 4 );
@udsets = ( [ [ $x1, $xn ], $y1], [ $x2, $y2 ] );
@range = limits( @udsets, { Bounds => 'MinMax',
Clean => 'None',
Trans => [ \&log10 ],
} );
ok( eq_array( \@range, [ log10(1-0.5), log10(4),
-1, 10 ] ), 'x symmetric trans' );
@udsets = ( [ [ $x1, $xn ], $y1], [ [ $x2, undef, $xp ], $y2 ] );
@range = limits( @udsets, { Bounds => 'MinMax',
Clean => 'None',
Trans => [ \&log10 ],
} );
ok( eq_array( \@range, [ log10(1-0.5), log10(4+0.25),
-1, 10 ] ), 'x asymmetric trans' );
$y1 = pdl( 0.5, 1, 5 );
$ys = pdl( 0.5, 0.5, 0.5 );
@udsets = ( [ [ $y1, $ys ] ] );
@range = limits( @udsets, { Bounds => 'MinMax',
Clean => 'None',
Trans => [ \&log10 ],
} );
ok( eq_array( \@range, [ log10(0.5), log10(5+0.5) ] ),
'illegal errbar lower bounds' );