2015-12-08 04:51:55 +08:00
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#pragma once
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2015-09-13 17:34:17 +08:00
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#include <type_traits>
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namespace num
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{
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template <class T,
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typename std::enable_if<std::is_integral<T>::value>::type* = nullptr>
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T iceil(T x, T y)
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{
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// this may seem inefficient, but on x86_64, when you already perform
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// division (x / y) the remainder is already computed and therefore x % y
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// is basically free!
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return x / y + (x % y != 0);
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}
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}
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