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Naming fix
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7b278313e7
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@ -11,83 +11,84 @@
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template <size_t N>
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class MxBitset {
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public:
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MxBitset() { _Tidy(); }
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MxBitset() { Tidy(); }
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class reference {
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class Reference {
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friend class MxBitset<N>;
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public:
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reference& flip()
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Reference& Flip()
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{
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m_bitset->flip(m_offset);
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m_bitset->Flip(m_offset);
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return (*this);
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}
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bool operator~() const { return (!m_bitset->test(m_offset)); }
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operator bool() const { return (m_bitset->test(m_offset)); }
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bool operator~() const { return (!m_bitset->Test(m_offset)); }
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operator bool() const { return (m_bitset->Test(m_offset)); }
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private:
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reference(MxBitset<N>& _X, size_t _P) : m_bitset(&_X), m_offset(_P) {}
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Reference(MxBitset<N>& p_bitset, size_t p_offset) : m_bitset(&p_bitset), m_offset(p_offset) {}
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MxBitset<N>* m_bitset;
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size_t m_offset;
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};
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reference operator[](size_t p_bit) { return (reference(*this, p_bit)); }
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Reference operator[](size_t p_bit) { return (Reference(*this, p_bit)); }
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MxBitset<N>& flip(size_t p_bit)
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MxBitset<N>& Flip(size_t p_bit)
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{
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if (N <= p_bit) {
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_Xran();
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Xran();
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}
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m_blocks[p_bit / _bits_per_block] ^= 1 << p_bit % _bits_per_block;
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m_blocks[p_bit / e_bitsPerBlock] ^= 1 << p_bit % e_bitsPerBlock;
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return (*this);
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}
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size_t count()
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size_t Count()
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{
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// debug only
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return 0;
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}
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bool test(MxU32 p_bit)
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bool Test(MxU32 p_bit)
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{
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if (p_bit >= N) {
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_Xran();
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Xran();
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}
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return (m_blocks[p_bit / _bits_per_block] & (1 << p_bit % _bits_per_block)) != 0;
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return (m_blocks[p_bit / e_bitsPerBlock] & (1 << p_bit % e_bitsPerBlock)) != 0;
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}
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MxU32 size() const { return N; }
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MxU32 Size() const { return N; }
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private:
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void _Tidy(MxU32 p_value = 0)
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void Tidy(MxU32 p_value = 0)
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{
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for (MxS32 i = _blocks_required; i >= 0; --i) {
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for (MxS32 i = e_blocksRequired; i >= 0; --i) {
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m_blocks[i] = p_value;
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}
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// No need to trim if all bits were zeroed out
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if (p_value != 0) {
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_Trim();
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Trim();
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}
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}
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// Apply bit mask to most significant block
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void _Trim()
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void Trim()
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{
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if (N % _bits_per_block != 0) {
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m_blocks[_blocks_required] &= ((1 << (N % _bits_per_block)) - 1);
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if (N % e_bitsPerBlock != 0) {
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m_blocks[e_blocksRequired] &= ((1 << (N % e_bitsPerBlock)) - 1);
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}
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}
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void _Xran() { assert("invalid MxBitset<N> position" == NULL); }
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void Xran() { assert("invalid MxBitset<N> position" == NULL); }
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// Not a real enum. This is how STL BITSET defines these constants.
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enum {
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_bits_per_block = CHAR_BIT * sizeof(MxU32),
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_blocks_required = N == 0 ? 0 : (N - 1) / _bits_per_block
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e_bitsPerBlock = CHAR_BIT * sizeof(MxU32),
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e_blocksRequired = N == 0 ? 0 : (N - 1) / e_bitsPerBlock
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};
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MxU32 m_blocks[_blocks_required + 1]; // 0x0
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MxU32 m_blocks[e_blocksRequired + 1]; // 0x0
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};
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#endif // MXBITSET_H
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@ -17,7 +17,7 @@ class MxMemoryPool {
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MxU8* Get();
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void Release(MxU8*);
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MxU32 GetPoolSize() const { return m_blockRef.size(); }
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MxU32 GetPoolSize() const { return m_blockRef.Size(); }
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private:
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MxU8* m_pool;
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@ -30,7 +30,7 @@ MxResult MxMemoryPool<BS, NB>::Allocate()
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{
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assert(m_pool == NULL);
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assert(m_blockSize);
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assert(m_blockRef.size());
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assert(m_blockRef.Size());
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m_pool = new MxU8[GetPoolSize() * m_blockSize * 1024];
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assert(m_pool);
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@ -43,16 +43,16 @@ MxU8* MxMemoryPool<BS, NB>::Get()
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{
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assert(m_pool != NULL);
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assert(m_blockSize);
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assert(m_blockRef.size());
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assert(m_blockRef.Size());
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for (MxU32 i = 0; i < GetPoolSize(); i++) {
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if (!m_blockRef[i]) {
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m_blockRef[i].flip();
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m_blockRef[i].Flip();
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#ifdef _DEBUG
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// TODO: This is actually some debug print function, but
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// we just need any func with variatic args to eliminate diff noise.
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printf("Get> %d pool: busy %d blocks\n", m_blockSize, m_blockRef.count());
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printf("Get> %d pool: busy %d blocks\n", m_blockSize, m_blockRef.Count());
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#endif
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return &m_pool[i * m_blockSize * 1024];
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@ -67,7 +67,7 @@ void MxMemoryPool<BS, NB>::Release(MxU8* p_buf)
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{
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assert(m_pool != NULL);
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assert(m_blockSize);
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assert(m_blockRef.size());
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assert(m_blockRef.Size());
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MxU32 i = (MxU32) (p_buf - m_pool) / (m_blockSize * 1024);
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@ -75,11 +75,11 @@ void MxMemoryPool<BS, NB>::Release(MxU8* p_buf)
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assert(m_blockRef[i]);
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if (m_blockRef[i]) {
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m_blockRef[i].flip();
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m_blockRef[i].Flip();
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}
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#ifdef _DEBUG
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printf("Release> %d pool: busy %d blocks\n", m_blockSize, m_blockRef.count());
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printf("Release> %d pool: busy %d blocks\n", m_blockSize, m_blockRef.Count());
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#endif
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}
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