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jiri
2006-03-31 19:01:14 +00:00
parent 8f8b5b855f
commit 5ea385fc30
2 changed files with 142 additions and 3 deletions
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22
bitvector.h
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@@ -23,7 +23,8 @@ public:
bitvector() : NRVec<bitvector_block>() {};
explicit bitvector (const unsigned int n):NRVec<bitvector_block>((n+blockbits-1)/blockbits) {modulo=n%blockbits;};
bitvector (const bitvector_block a, const unsigned int n):NRVec<bitvector_block>(a,(n+blockbits-1)/blockbits) {modulo=n%blockbits;};
bitvector(const bitvector &rhs) : NRVec<bitvector_block>(rhs) {};
bitvector(const bitvector &rhs) : NRVec<bitvector_block>(rhs) {modulo=rhs.modulo;};
//operator= seems to be correctly synthetized by the compiler
//override dereferencing to address single bits, is however possible
//only in the const context (otherwise we would have to define a type which, when assigned to, changes a single bit - possible but probably inefficient)
void resize(const unsigned int n) {NRVec<bitvector_block>::resize((n+blockbits-1)/blockbits); modulo=n%blockbits;};
@@ -36,8 +37,23 @@ public:
const bool assign(const unsigned int i, const bool r) {if(r) set(i); else reset(i); return r;};
void clear() {memset(v,0,nn*sizeof(bitvector_block));};
void fill() {memset(v,0xff,nn*sizeof(bitvector_block));};
const bool operator!=(const bitvector &rhs) const {};
const bool operator==(const bitvector &rhs) const {return !(*this != rhs);};
bool operator!=(const bitvector &rhs) const;
bool operator==(const bitvector &rhs) const {return !(*this != rhs);};
bool operator>(const bitvector &rhs) const;
bool operator<(const bitvector &rhs) const;
bool operator>=(const bitvector &rhs) const {return !(*this < rhs);};
bool operator<=(const bitvector &rhs) const {return !(*this > rhs);};
bitvector operator~() const;
bitvector& operator&=(const bitvector &rhs);
bitvector& operator|=(const bitvector &rhs);
bitvector& operator^=(const bitvector &rhs);
bitvector operator&(const bitvector &rhs) const {return bitvector(*this) &= rhs;};
bitvector operator|(const bitvector &rhs) const {return bitvector(*this) |= rhs;};
bitvector operator^(const bitvector &rhs) const {return bitvector(*this) ^= rhs;};
unsigned int population(const unsigned int before=0) const; //@@@number of 1's
//extended, truncated const i.e. not on *this but return new entity, take care of modulo's bits
//logical shifts <<= >>= << >> not implemented yet
//logical rotations not implemented yet
};