42 lines
1.2 KiB
Markdown
42 lines
1.2 KiB
Markdown
[numeric.ops.lcm]
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# 26 Algorithms library [[algorithms]](./#algorithms)
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## 26.10 Generalized numeric operations [[numeric.ops]](numeric.ops#lcm)
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### 26.10.15 Least common multiple [numeric.ops.lcm]
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[ð](#lib:lcm)
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`template<class M, class N>
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constexpr common_type_t<M, N> lcm(M m, N n);
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`
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[1](#1)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/algorithms.tex#L13309)
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*Mandates*: M and N both are integer types other thancv bool[.](#1.sentence-1)
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[2](#2)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/algorithms.tex#L13314)
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*Preconditions*: |m| and |n| are representable as a value of common_type_t<M, N>[.](#2.sentence-1)
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The least common multiple of |m| and |n| is representable as a value of type common_type_t<M, N>[.](#2.sentence-2)
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[3](#3)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/algorithms.tex#L13321)
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*Returns*: Zero when either m or n is zero[.](#3.sentence-1)
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Otherwise, returns the least common multiple of |m| and |n|[.](#3.sentence-2)
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[4](#4)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/algorithms.tex#L13326)
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*Throws*: Nothing[.](#4.sentence-1)
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