23namespace seqan3::detail
53template <std::
unsigned_
integral
unsigned_t>
54constexpr unsigned_t floor_log2(unsigned_t
const n)
noexcept
87template <std::
unsigned_
integral
unsigned_t>
88constexpr unsigned_t ceil_log2(unsigned_t
const n)
noexcept
91 return (n == 1u) ? 0u : seqan3::detail::floor_log2(n - 1u) + 1u;
120template <
typename base_t, std::
unsigned_
integral exp_t>
121 requires (std::same_as<base_t, uint64_t> || std::same_as<base_t, int64_t>)
122base_t
pow(base_t base, exp_t exp)
129 for (exp_t i = 0; i < exp; ++i)
134 +
" will result in an "
135 + (std::same_as<base_t, int64_t> ?
"int64_t" :
"uint64_t")};
144 for (; exp; exp >>= 1, base *= base)
145 result *= (exp & 1) ? base : 1;
152template <std::
integral base_t, std::
unsigned_
integral exp_t>
153 requires (std::unsigned_integral<base_t> && !std::same_as<base_t, uint64_t>)
154uint64_t
pow(base_t base, exp_t exp)
156 return pow(
static_cast<uint64_t
>(base), exp);
160template <std::
integral base_t, std::
unsigned_
integral exp_t>
161 requires (!std::unsigned_integral<base_t> && !std::same_as<base_t, int64_t>)
162int64_t
pow(base_t base, exp_t exp)
164 return pow(
static_cast<int64_t
>(base), exp);
168template <
typename base_t,
typename exp_t>
169 requires (!(std::integral<base_t> && std::unsigned_integral<exp_t>))
170auto pow(base_t base, exp_t exp)
base_t pow(base_t base, exp_t exp)
Computes the value of base raised to the power exp.
Definition: math.hpp:122
The main SeqAn3 namespace.
Definition: aligned_sequence_concept.hpp:29