boost_preprocessor/include/boost/preprocessor/logical/nor.hpp

#ifndef BOOST_PREPROCESSOR_LOGICAL_NOR_HPP
#define BOOST_PREPROCESSOR_LOGICAL_NOR_HPP

/* Copyright (C) 2001
 * Housemarque Oy
 * http://www.housemarque.com
 *
 * Permission to copy, use, modify, sell and distribute this software is
 * granted provided this copyright notice appears in all copies. This
 * software is provided "as is" without express or implied warranty, and
 * with no claim as to its suitability for any purpose.
 *
 * See http://www.boost.org for most recent version.
 */

#include <boost/preprocessor/logical/bool.hpp>

/** <P>Expands to the logical NEITHER OR of the operands.</P>

<P>For example, BOOST_PP_NOR(0,5) expands to 0 (a single token).</P>
*/
#define BOOST_PP_NOR(X,Y) BOOST_PP_NOR_BOOL(BOOST_PP_BOOL(X),BOOST_PP_BOOL(Y))

#ifndef DOXYGEN_SHOULD_SKIP_THIS
#define BOOST_PP_NOR_BOOL(X,Y) BOOST_PP_NOR_BOOL_DELAY(X,Y)
#define BOOST_PP_NOR_BOOL_DELAY(X,Y) BOOST_PP_NOR_BOOL##X##Y
#define BOOST_PP_NOR_BOOL00 1
#define BOOST_PP_NOR_BOOL01 0
#define BOOST_PP_NOR_BOOL10 0
#define BOOST_PP_NOR_BOOL11 0
#endif

/** <P>Obsolete. Use BOOST_PP_NOR().</P> */
#define BOOST_PREPROCESSOR_NOR(X,Y) BOOST_PP_NOR(X,Y)
#endif