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-rw-r--r--chilbert/detail/operations.hpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/chilbert/detail/operations.hpp b/chilbert/detail/operations.hpp
index 94635b4..1c6b8bf 100644
--- a/chilbert/detail/operations.hpp
+++ b/chilbert/detail/operations.hpp
@@ -157,7 +157,8 @@ template <typename T>
std::enable_if_t<std::is_integral<T>::value>
gray_code_inv(T& value)
{
- for (T shift = 1; shift < sizeof(T) * CHAR_BIT; shift <<= 1) {
+ constexpr T shift_end = sizeof(T) * CHAR_BIT;
+ for (T shift = 1; shift < shift_end; shift <<= 1) {
value ^= (value >> shift);
}
}