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# std::experimental::gcd

From cppreference.com
< cpp‎ | experimental

Defined in header `<experimental/numeric>` |  |
template< class M, class N> constexpr std::common_type_t<M, N> gcd(M m, N n); |  | (library fundamentals TS v2)

Computes the greatest common divisor of the integers `m` and `n`.

### [edit] Parameters

m, n | - | integer values

### [edit] Return value

If both `m` and `n` are zero, returns zero. Otherwise, returns the greatest common divisor of `|m|` and `|n|`.

### [edit] Remarks

If either `M` or `N` is not an integer type, the program is ill-formed.

If `|m|` is not representable as a value of type `M` or `|n|` is not representable as a value of type `N`, the behavior is undefined.

### [edit] Exceptions

Throws no exceptions.

### [edit] See also

lcm | `constexpr` function template returning the least common multiple of two integers (function template) [edit]

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