math_utils.hpp

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#pragma once
namespace sd {
 
namespace math {
// TODO(docs): Document log2_int - explain use case, constraints (what happens with 0)
consteval USize log2_int(std::unsigned_integral auto n) {
  // log2(n) = bit_width(n) - 1
  return n == 0 ? 0 : std::bit_width(n) - 1;
}
} // namespace math
 
 
} // namespace sd