controlw.h
Go to the documentation of this file.00001 00002 00003 00007 00008 00009 #ifndef CONTROL_WORD_LIB 00010 #define CONTROL_WORD_LIB 0 00011 00014 class ControlWord 00015 { 00016 protected: 00017 int cw; // the control word 00018 public: 00019 ControlWord() : cw(0) {} // do nothing 00020 ControlWord(int i) : cw(i) {} // load an integer 00021 00022 // select specific bits (for testing at least one set) 00023 ControlWord operator*(ControlWord i) const 00024 { return ControlWord(cw & i.cw); } 00025 void operator*=(ControlWord i) { cw &= i.cw; } 00026 00027 // set bits 00028 ControlWord operator+(ControlWord i) const 00029 { return ControlWord(cw | i.cw); } 00030 void operator+=(ControlWord i) { cw |= i.cw; } 00031 00032 // reset bits 00033 ControlWord operator-(ControlWord i) const 00034 { return ControlWord(cw - (cw & i.cw)); } 00035 void operator-=(ControlWord i) { cw -= (cw & i.cw); } 00036 00037 // check if all of selected bits set or reset 00038 bool operator>=(ControlWord i) const { return (cw & i.cw) == i.cw; } 00039 bool operator<=(ControlWord i) const { return (cw & i.cw) == cw; } 00040 00041 // flip selected bits 00042 ControlWord operator^(ControlWord i) const 00043 { return ControlWord(cw ^ i.cw); } 00044 ControlWord operator~() const { return ControlWord(~cw); } 00045 00046 // convert to integer 00047 int operator+() const { return cw; } 00048 int operator!() const { return cw==0; } 00049 FREE_CHECK(ControlWord) 00050 }; 00051 00052 00053 #endif 00054 00056