Tools.h++ Manual

104011 Tandem Computers Incorporated 21-25
21
Public constructors RWBitVec();
Construct a zero lengthed (null) vector.
RWBitVec(size_t N);
Construct a vector with N bits. The initial value of the bits is undefined.
RWBitVec(size_t N, RWBoolean initVal);
Construct a vector with N bits, each set to the Boolean value initVal .
RWBitVec(const RWByte* bp, size_t N);
Construct a vector with N bits, initialized to the data in the array of bytes
pointed to by bp . This array must be at least long enough to contain N bits.
The identifier RWByte is a typedef for an unsigned char.
RWBitVec(const RWBitVec& v);
Copy constructor. Uses value semantics—the constructed vector will be a copy
of v .
~RWBitVec();
The destructor. Releases any allocated memory.
Assignment operators RWBitVec& operator=(const RWBitVec& v);
Assignment operator. Value semantics are used—self will be a copy of v .
RWBitVec& operator=(RWBoolean b);
Assignment operator. Sets every bit in self to the boolean value b .
RWBitVec& operator&=(const RWBitVec& v);
RWBitVec& operator^=(const RWBitVec& v);
RWBitVec& operator|=(const RWBitVec& v);
Logical assignments. Set each element of self to the logical AND, XOR, or OR,
respectively, of self and the corresponding bit in v . Self and v must have the
same number of elements (i.e., be conformal) or an exception of type
RWInternalErr will occur.
Indexing operators RWBitRef operator[](size_t i);
Returns a reference to bit i of self. A helper class, RWBitRef , is used. The
result can be used as an lvalue. The index i must be between 0 and the length
of the vector less one. Bounds checking is performed. If the index is out of
range, then an exception of type RWBoundsErr will occur.