BOOST_PP_DEC

The BOOST_PP_DEC macro expands to one less than its argument.

Usage

BOOST_PP_DEC (x)

Arguments

x The value to be decremented. Valid values range from 0 to BOOST_PP_LIMIT_MAG.

Remarks

If x is 0, the result is saturated to 0.

See Also

• BOOST_PP_INC
• BOOST_PP_LIMIT_MAG

Requirements

Header: <boost/preprocessor/arithmetic/dec.hpp>

Sample Code

#include <[boost/preprocessor/arithmetic/dec.hpp](../headers/arithmetic/dec.html)>[BOOST\_PP\_DEC](dec.html)([BOOST\_PP\_DEC](dec.html)(6)) // expands to 4[BOOST\_PP\_DEC](dec.html)(0) // expands to 0

Copyright Housemarque Oy 2002 Copyright Paul Mensonides 2002

Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at www.boost.org/LICENSE_1_0.txt)