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libvgcode - Replace 'xor' with '^' Bitset.hpp

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enricoturri1966 2024-03-04 13:52:05 +01:00 committed by Lukas Matena
parent 73deaf9075
commit 8b0142fcce
1 changed files with 4 additions and 4 deletions
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8
src/libvgcode/src/Bitset.hpp
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@ -38,7 +38,7 @@ struct BitSet
bool set(size_t index) { bool set(size_t index) {
const auto [block_idx, bit_idx] = get_coords(index); const auto [block_idx, bit_idx] = get_coords(index);
const T mask = (T(1) << bit_idx); const T mask = (T(1) << bit_idx);
bool flip = mask xor blocks[block_idx]; bool flip = mask ^ blocks[block_idx];
blocks[block_idx] |= mask; blocks[block_idx] |= mask;
return flip; return flip;
} }
@ -47,7 +47,7 @@ struct BitSet
bool reset(size_t index) { bool reset(size_t index) {
const auto [block_idx, bit_idx] = get_coords(index); const auto [block_idx, bit_idx] = get_coords(index);
const T mask = (T(1) << bit_idx); const T mask = (T(1) << bit_idx);
const bool flip = mask xor blocks[block_idx]; const bool flip = mask ^ blocks[block_idx];
blocks[block_idx] &= (~mask); blocks[block_idx] &= (~mask);
return flip; return flip;
} }
@ -72,7 +72,7 @@ struct BitSet
const auto [block_idx, bit_idx] = get_coords(index); const auto [block_idx, bit_idx] = get_coords(index);
const T mask = static_cast<T>(1) << bit_idx; const T mask = static_cast<T>(1) << bit_idx;
const T oldval = blocks[block_idx].fetch_or(mask, std::memory_order_relaxed); const T oldval = blocks[block_idx].fetch_or(mask, std::memory_order_relaxed);
return oldval xor (oldval or mask); return oldval ^ (oldval or mask);
} }
// Atomic reset operation (enabled only for atomic types), return true if bit changed // Atomic reset operation (enabled only for atomic types), return true if bit changed
@ -81,7 +81,7 @@ struct BitSet
const auto [block_idx, bit_idx] = get_coords(index); const auto [block_idx, bit_idx] = get_coords(index);
const T mask = ~(static_cast<T>(1) << bit_idx); const T mask = ~(static_cast<T>(1) << bit_idx);
const T oldval = blocks[block_idx].fetch_and(mask, std::memory_order_relaxed); const T oldval = blocks[block_idx].fetch_and(mask, std::memory_order_relaxed);
return oldval xor (oldval and mask); return oldval ^ (oldval and mask);
} }
std::pair<size_t, size_t> get_coords(size_t index) const { std::pair<size_t, size_t> get_coords(size_t index) const {