VImage operator<( VImage a, VImage b ) { return( a.relational( b, VIPS_OPERATION_RELATIONAL_LESS ) ); }
VImage operator!=( VImage a, VImage b ) { return( a.relational( b, VIPS_OPERATION_RELATIONAL_NOTEQ ) ); }
VImage operator>( VImage a, VImage b ) { return( a.relational( b, VIPS_OPERATION_RELATIONAL_MORE ) ); }
VImage operator==( VImage a, VImage b ) { return( a.relational( b, VIPS_OPERATION_RELATIONAL_EQUAL ) ); }
VImage operator>=( const VImage a, const VImage b ) { return( a.relational( b, VIPS_OPERATION_RELATIONAL_MOREEQ ) ); }