lib/Math/BigInt.pm

599 sub bnan
612     Carp::croak ("Tried to set $self to NaN in $class\::bnan()");
615   return if $self->modify('bnan');
868   return ($self->bnan()) if defined $a && defined $p;		# error
928   return $self->bnan() if defined $a && defined $p;
1076     return $x->bnan() if (($x->{sign} eq $nan) || ($y->{sign} eq $nan));
1082       return $x->bnan();
1218   return $x->bnan()
1225   return $x->bnan() unless defined $rc;		# not possible to take log?
1264   return $x->bnan() if $x->{sign} !~ /^[+-]$/;	# x NaN?
1270     return $x->bnan() if $y->{sign} !~ /^[+-]$/;	# y NaN?
1393   return $x->bnan() if (($x->{sign} eq $nan) || ($y->{sign} eq $nan));
1398     return $x->bnan() if $x->is_zero() || $y->is_zero();
1427   return wantarray ? ($x->bnan(),$self->bnan()) : $x->bnan()
1434     return wantarray ? ($x->bnan(),$self->bnan()) : $x->bnan();
1584   return $x->bnan()
1595   return $x->bnan() if !defined $x->{value};		# in case no GCD found
1612   return $num->bnan() if ($mod->{sign} ne '+'		# NaN, - , -inf, +inf
1619     return $num->bnan();
1625   return $num->bnan() if $num->{sign} !~ /^[+-]$/;
1643   return $x->bnan() if $x->{sign} ne '+';	# NaN, <0 etc => NaN
1670   return $x->bnan() if $x->{sign} eq $nan || $y->{sign} eq $nan;
1682   return $x->bnan() if $y->{sign} eq '-' && !$CALC->_is_one($x->{value});
1705   return $x->bnan() if ($x->{sign} !~ /^[+-]$/ || $y->{sign} !~ /^[+-]$/);
1708   $n = 2 if !defined $n; return $x->bnan() if $n <= 0 || $y->{sign} eq '-';
1728   return $x->bnan() if ($x->{sign} !~ /^[+-]$/ || $y->{sign} !~ /^[+-]$/);
1732   $n = 2 if !defined $n; return $x->bnan() if $n <= 0 || $y->{sign} eq '-';
1792   return $x->bnan() if ($x->{sign} !~ /^[+-]$/ || $y->{sign} !~ /^[+-]$/);
1829   return $x->bnan() if ($x->{sign} !~ /^[+-]$/ || $y->{sign} !~ /^[+-]$/);
1870   return $x->bnan() if ($x->{sign} !~ /^[+-]$/ || $y->{sign} !~ /^[+-]$/);
1928   return $x->bnan() if $x->{sign} !~ /^\+/;	# -x or -inf or NaN => NaN
1955   return $x->bnan() if $x->{sign} !~ /^\+/ || $y->is_zero() ||
2442   return $x->bnan() if $hs !~ /^[\-\+]?0x[0-9A-Fa-f]+$/;
2461   return $x->bnan() if $bs !~ /^[+-]?0b[01]+$/;
2545   return $x->bnan() if ($x->{sign} eq $nan) || ($ty->{sign} eq $nan);
2580   $nan  = Math::BigInt->bnan(); 	# create a NotANumber
2613   $x->bnan();		# set $x to NaN
2731 	$nan = Math::BigInt->bnan();
2907 =head2 bnan
2909   	$x = Math::BigInt->bnan();
2914 	$x->bnan();