diff options
Diffstat (limited to 'gnuradio-runtime/include/gnuradio/integer_math.h')
| -rw-r--r-- | gnuradio-runtime/include/gnuradio/integer_math.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/gnuradio-runtime/include/gnuradio/integer_math.h b/gnuradio-runtime/include/gnuradio/integer_math.h new file mode 100644 index 0000000000..15141049fa --- /dev/null +++ b/gnuradio-runtime/include/gnuradio/integer_math.h @@ -0,0 +1,35 @@ +/* -*- c++ -*- */ +/* + * Copyright 2020 Free Software Foundation, Inc. + * + * This file is part of GNU Radio + * + * SPDX-License-Identifier: GPL-3.0-or-later + * + */ +#ifndef INCLUDED_GR_INTEGER_MATH_H +#define INCLUDED_GR_INTEGER_MATH_H + +#if (__cplusplus >= 201703L) + +// Prefer C++17 goodness. +#include <numeric> +#define GR_GCD std::gcd +#define GR_LCM std::lcm + +#elif (BOOST_VERSION >= 105800) + +// Fallback: newer boost API (introduced in Boost 1.58.0). +#include <boost/integer/common_factor_rt.hpp> +#define GR_GCD boost::integer::gcd +#define GR_LCM boost::integer::lcm + +#else + +// Last resort: old deprecated boost API. +#include <boost/math/common_factor_rt.hpp> +#define GR_GCD boost::math::gcd +#define GR_LCM boost::math::lcm + +#endif /* __cplusplus >= 201703L */ +#endif /* INCLUDED_GR_INTEGER_MATH_H */ |