mirror of
https://github.com/bolero-MURAKAMI/Sprout
synced 2025-02-04 21:33:56 +00:00
29 lines
676 B
C++
29 lines
676 B
C++
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#ifndef SPROUT_DETAIL_POW_HPP
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#define SPROUT_DETAIL_POW_HPP
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#include <sprout/config.hpp>
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namespace sprout {
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namespace detail {
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template<typename T>
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inline SPROUT_CONSTEXPR T
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pow2(T const& x) {
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return x * x;
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}
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template<typename T>
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inline SPROUT_CONSTEXPR T
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pow3(T const& x) {
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return x * x * x;
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}
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template<typename T>
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inline SPROUT_CONSTEXPR T
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pow_n(T const& x, int n) {
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return n == 1 ? x
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: n % 2 ? x * sprout::detail::pow2(sprout::detail::pow_n(x, n / 2))
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: sprout::detail::pow2(sprout::detail::pow_n(x, n / 2))
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;
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}
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} // namespace detail
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} // namespace sprout
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#endif // #ifndef SPROUT_DETAIL_POW_HPP
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