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AK: Add clamp() function

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This function can be used to more cleanly write the common operation of
clamping a value between two values.
This commit is contained in:
Shannon Booth 2020-01-20 21:54:15 +13:00 committed by Andreas Kling
parent fb7a885cae
commit de74458f13
1 changed files with 12 additions and 0 deletions
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12
AK/StdLibExtras.h
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@ -84,6 +84,17 @@ inline constexpr T max(const T& a, const T& b)
return a < b ? b : a;
}
template<typename T>
inline constexpr T clamp(const T& value, const T& min, const T& max)
{
ASSERT(max > min);
if (value > max)
return max;
if (value < min)
return min;
return value;
}
template<typename T, typename U>
inline constexpr T ceil_div(T a, U b)
{
@ -317,6 +328,7 @@ using AK::forward;
using AK::IsSame;
using AK::max;
using AK::min;
using AK::clamp;
using AK::move;
using AK::RemoveConst;
using AK::swap;