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#pragma once
#include <cmath>
namespace mbgl {
namespace util {
// Constrains n to the given range (including min, excluding max) via modular
// arithmetic.
template <typename T>
T wrap(T value, T min, T max) {
if (value >= min && value < max) {
return value;
} else if (value == max) {
return min;
}
const T delta = max - min;
const T wrapped = min + std::fmod(value - min, delta);
return value < min ? wrapped + delta : wrapped;
}
} // namespace util
} // namespace mbgl
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