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Merge pull request #5320 from ReinUsesLisp/div-ceil-type
common/div_ceil: Return numerator type
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@ -11,16 +11,16 @@ namespace Common {
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/// Ceiled integer division.
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template <typename N, typename D>
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requires std::is_integral_v<N>&& std::is_unsigned_v<D>[[nodiscard]] constexpr auto DivCeil(
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N number, D divisor) {
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return (static_cast<D>(number) + divisor - 1) / divisor;
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requires std::is_integral_v<N>&& std::is_unsigned_v<D>[[nodiscard]] constexpr N DivCeil(N number,
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D divisor) {
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return static_cast<N>((static_cast<D>(number) + divisor - 1) / divisor);
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}
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/// Ceiled integer division with logarithmic divisor in base 2
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template <typename N, typename D>
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requires std::is_integral_v<N>&& std::is_unsigned_v<D>[[nodiscard]] constexpr auto DivCeilLog2(
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requires std::is_integral_v<N>&& std::is_unsigned_v<D>[[nodiscard]] constexpr N DivCeilLog2(
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N value, D alignment_log2) {
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return (static_cast<D>(value) + (D(1) << alignment_log2) - 1) >> alignment_log2;
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return static_cast<N>((static_cast<D>(value) + (D(1) << alignment_log2) - 1) >> alignment_log2);
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}
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} // namespace Common
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