forked from boostorg/preprocessor
48 lines
1.7 KiB
C++
48 lines
1.7 KiB
C++
#ifndef BOOST_PREPROCESSOR_ARITHMETIC_MUL_HPP
|
|
#define BOOST_PREPROCESSOR_ARITHMETIC_MUL_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/arithmetic/add.hpp>
|
|
|
|
/** <p>Expands to the product of <code>X</code> and <code>Y</code>.</p>
|
|
|
|
<p>For example, <code>BOOST_PP_MUL(4,3)</code> expands to <code>12</code> (a
|
|
single token).</p>
|
|
|
|
<h3>Uses</h3>
|
|
<ul>
|
|
<li>BOOST_PP_WHILE()</li>
|
|
</ul>
|
|
|
|
<h3>Test</h3>
|
|
<ul>
|
|
<li><a href="../../test/arithmetic_test.cpp">arithmetic_test.cpp</a></li>
|
|
</ul>
|
|
*/
|
|
#define BOOST_PP_MUL(X,Y) BOOST_PP_MUL_D(0,X,Y)
|
|
|
|
/** <p>Can be used inside BOOST_PP_WHILE().</p> */
|
|
#define BOOST_PP_MUL_D(D,X,Y) BOOST_PP_TUPLE_ELEM(3,0,BOOST_PP_WHILE##D(BOOST_PP_MUL_C,BOOST_PP_MUL_F,(0,X,Y)))
|
|
#if !defined(BOOST_NO_COMPILER_CONFIG) && defined(__MWERKS__) && __MWERKS__ <= 0x2406
|
|
# define BOOST_PP_MUL_C(D,P) BOOST_PP_TUPLE_ELEM(3,2,P)
|
|
# define BOOST_PP_MUL_F(D,P) (BOOST_PP_ADD_D(D,BOOST_PP_TUPLE_ELEM(3,0,P),BOOST_PP_TUPLE_ELEM(3,1,P)),BOOST_PP_TUPLE_ELEM(3,1,P),BOOST_PP_DEC(BOOST_PP_TUPLE_ELEM(3,2,P)))
|
|
#else
|
|
# define BOOST_PP_MUL_C(D,P) BOOST_PP_TUPLE3_ELEM2 P
|
|
# define BOOST_PP_MUL_F(D,P) (BOOST_PP_ADD_D(D,BOOST_PP_TUPLE3_ELEM0 P,BOOST_PP_TUPLE3_ELEM1 P),BOOST_PP_TUPLE3_ELEM1 P,BOOST_PP_DEC(BOOST_PP_TUPLE3_ELEM2 P))
|
|
#endif
|
|
|
|
/** <p>Obsolete. Use BOOST_PP_MUL().</p> */
|
|
#define BOOST_PREPROCESSOR_MUL(X,Y) BOOST_PP_MUL(X,Y)
|
|
#endif
|