Helper functions
| 411 | |
| 412 | // Helper functions |
| 413 | static BOOST_CONSTEXPR |
| 414 | int_type inner_gcd( param_type a, param_type b, int_type const &zero = |
| 415 | int_type(0) ) |
| 416 | { return b == zero ? a : inner_gcd(b, a % b, zero); } |
| 417 | |
| 418 | static BOOST_CONSTEXPR |
| 419 | int_type inner_abs( param_type x, int_type const &zero = int_type(0) ) |