BEGIN { $| = 1; print "1..8\n"; }
END {print "not ok 1\n" unless $loaded;}
use Math::MatrixReal;
$loaded = 1;
print "ok 1\n";
my $DEBUG = 0;

do 'funcs.pl';

$matrix = Math::MatrixReal->new_from_string(<<"MATRIX");
[ 1 0 0 0 1 ]
[ 0 2 0 0 0 ]
[ 0 0 3 0 0 ]
[ 0 0 0 4 0 ]
[ 1 0 0 0 5 ]
MATRIX
ok(2, $matrix->is_symmetric() );
########################
$matrix = Math::MatrixReal->new_from_string(<<"MATRIX");
[ 0 2 0 0 1 ]
[ 0 0 3 0 0 ]
[ 0 0 0 4 0 ]
[ 1 0 0 0 5 ]
MATRIX
ok(3, ! $matrix->is_symmetric() );
#############################
$matrix = Math::MatrixReal->new_from_string(<<MATRIX);
[ 1 ]
MATRIX
ok(4, $matrix->is_symmetric() );
################
$matrix = $matrix->new_diag( [ 1, 2, 3, 4 ] );
ok(5, $matrix->is_skew_symmetric );
###########
$matrix = Math::MatrixReal->new_from_string(<<"MATRIX");
[ 1 0 0 0 1 ]
[ 0 2 0 0 0 ]
[ 0 0 3 0 0 ]
[ 0 0 0 4 0 ]
[ -1 0 0 0 5 ]
MATRIX
ok(6, $matrix->is_skew_symmetric );
##########
$matrix->zero;
ok(7, $matrix->is_skew_symmetric );
############
$matrix = Math::MatrixReal->new_from_string(<<"MATRIX");
[ 0 2 0 0 1 ]
[ 0 0 3 0 0 ]
[ 0 0 0 4 0 ]
[ 1 0 0 0 5 ]
MATRIX
ok(8, ! $matrix->is_skew_symmetric );