| line | !l | l&&!r | l&&r | condition | 
 
| 58 | 0 | 0 | 0 | @_ == 1 and ref $_[0] eq 'HASH' | 
 
| 116 | 0 | 0 | 0 | ref $in eq 'ARRAY' and ref $in->[0] eq 'ARRAY' | 
 
|  | 0 | 0 | 0 | ref $in eq 'ARRAY' and ref $in->[0] eq 'ARRAY' and not ref $in->[0][0] | 
 
| 119 | 0 | 0 | 0 | ref $out eq 'ARRAY' and ref $out->[0] eq 'ARRAY' | 
 
|  | 0 | 0 | 0 | ref $out eq 'ARRAY' and ref $out->[0] eq 'ARRAY' and not ref $out->[0][0] | 
 
| 284 | 0 | 0 | 0 | ref $matrix eq 'ARRAY' and @{$matrix;} == grep({ref $_ eq 'ARRAY';} @{$matrix;}) | 
 
| 308 | 0 | 0 | 0 | ref $offset eq 'ARRAY' and @{$offset;} == grep({not ref $_;} @{$offset;}) | 
 
| 420 | 0 | 0 | 0 | @_ == $h + 2 and UNIVERSAL::isa($_[1], 'Math::Matrix') | 
 
|  | 0 | 0 | 0 | @_ == $h + 2 and ref $_[1] eq 'ARRAY' | 
 
| 429 | 0 | 0 | 0 | not ref $_[1][0] and @{$_[1];} == grep({&Scalar::Util::looks_like_number($_);} @{$_[1];}) | 
 
|  | 0 | 0 | 0 | ref $_[1][0] eq 'ARRAY' and @{$_[1];} == grep({&Scalar::Util::looks_like_number($_->[0]) if ref $_ eq 'ARRAY';} @{$_[1];}) | 
 
| 644 | 0 | 0 | 0 | defined $p->[0] && !ref($p->[0]) | 
 
| 1036 | 0 | 0 | 0 | ref $matrix eq 'ARRAY' and @{$matrix;} == grep({ref $_ eq 'ARRAY';} @{$matrix;}) | 
 
| 1047 | 0 | 0 | 0 | ref $offset eq 'ARRAY' and @{$offset;} == grep({not ref $_;} @{$offset;}) |