Function Pennylane::Util::log2PerfectPower¶

Function Documentation¶

inline constexpr auto Pennylane::Util::log2PerfectPower(uint64_t val) -> size_t¶

Faster log2 when the value is the perfect power of 2.

If the value is the perfect power of 2, using a system provided bit operation is much faster than std::log2

api/function_BitUtil_8hpp_1ae5540ba9bbba1827c508855a3afd4fbf

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