###  | # Boost.Preprocessor ## Reference

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# #include <boost/preprocessor/limits.hpp>

## #define BOOST_PP_LIMIT_DIM

Expands to the number of dimensions of repeat supported by the library.

The repeat macros are named BOOST_PP_REPEAT(), BOOST_PP_REPEAT_2ND(), BOOST_PP_REPEAT_3RD(), ...

## #define BOOST_PP_LIMIT_MAG

Expands to the maximum straight numeric literal supported by the library.

This is also the limit of the repetition primitives (BOOST_PP_ENUM family and BOOST_PP_REPEAT family).

### Note

- Only decimal integer literals in the range [0, BOOST_PP_LIMIT_MAG] are supported.
- All arithmetic operations (BOOST_PP_ADD(), BOOST_PP_SUB(), BOOST_PP_MUL(), BOOST_PP_DIV()) use saturation arithmetic.
- The maximum repetition count supported by the library may not be reached due to compiler limitations.

## #define BOOST_PP_LIMIT_TUPLE

Expands to the maximum tuple length supported by the library.

## #define BOOST_PREPROCESSOR_LIMIT_DIM

Obsolete. Use BOOST_PP_LIMIT_DIM.

## #define BOOST_PREPROCESSOR_LIMIT_MAG

Obsolete. Use BOOST_PP_LIMIT_MAG.

## #define BOOST_PREPROCESSOR_LIMIT_TUPLE

Obsolete. Use BOOST_PP_LIMIT_TUPLE.

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