source: ntrip/branches/BNC_2.12/newmat/controlw.h

Last change on this file was 2013, checked in by mervart, 13 years ago

* empty log message *

File size: 1.5 KB
Line 
1/// \ingroup newmat
2///@{
3
4/// \file controlw.h
5/// Control word class.
6/// Manipulate bits used for setting options.
7
8
9#ifndef CONTROL_WORD_LIB
10#define CONTROL_WORD_LIB 0
11
12/// Organise an int as a series of bits to set options.
13/// \internal
14class ControlWord
15{
16protected:
17 int cw; // the control word
18public:
19 ControlWord() : cw(0) {} // do nothing
20 ControlWord(int i) : cw(i) {} // load an integer
21
22 // select specific bits (for testing at least one set)
23 ControlWord operator*(ControlWord i) const
24 { return ControlWord(cw & i.cw); }
25 void operator*=(ControlWord i) { cw &= i.cw; }
26
27 // set bits
28 ControlWord operator+(ControlWord i) const
29 { return ControlWord(cw | i.cw); }
30 void operator+=(ControlWord i) { cw |= i.cw; }
31
32 // reset bits
33 ControlWord operator-(ControlWord i) const
34 { return ControlWord(cw - (cw & i.cw)); }
35 void operator-=(ControlWord i) { cw -= (cw & i.cw); }
36
37 // check if all of selected bits set or reset
38 bool operator>=(ControlWord i) const { return (cw & i.cw) == i.cw; }
39 bool operator<=(ControlWord i) const { return (cw & i.cw) == cw; }
40
41 // flip selected bits
42 ControlWord operator^(ControlWord i) const
43 { return ControlWord(cw ^ i.cw); }
44 ControlWord operator~() const { return ControlWord(~cw); }
45
46 // convert to integer
47 int operator+() const { return cw; }
48 int operator!() const { return cw==0; }
49 FREE_CHECK(ControlWord)
50};
51
52
53#endif
54
55///@}
56
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