BData.cxx

Go to the documentation of this file.

//

#include "BData.h"
#include <iostream>
#include <bitset>

namespace Pmm2
{

  BData::~BData()
  {
    //std::cout << "Del " << this << std::endl; 
  }

  BData::BData() : ldata()
  {
    //    std::cout << "Def " << this << std::endl; 
  }

  BData::BData(const size_t nbits,const u_int32_t *data) : ldata()
  {
    for(size_t i=0;i<nbits/32;i++) {
      ldata += std::bitset<32>(data[i]).to_string();
    }
    //std::cout << "New " << this << std::endl; 
  }
    
  void BData::Clear()
  {
    ldata.clear();
  }

  void BData::Set(const  size_t nbits, const u_int32_t *data)
  {
    ldata.clear();
    for(size_t i=0;i<nbits/32;i++) {
      ldata += std::bitset<32>(data[i]).to_string();
    }
  }

  //----- Print Bit Line
  void BData::Print() const
  {
    std::cout << this << " : " << ldata << std::endl; 
  }
    // Bit
  u_int32_t BData::operator()(size_t i) const 
  {
    char val = ldata[i];
    return (u_int32_t) (val - '0');
  }
  u_int32_t BData::operator()(size_t i,size_t j) const
  {
    return ((u_int32_t) std::bitset<32>(ldata.substr(i,j-i+1)).to_ulong());
  }
  
  u_int32_t BData::asGray(size_t i,size_t j) const
  {
    u_int32_t num = (*this)(i,j);
     u_int32_t mask;
     for (mask = num >> 1; mask != 0; mask = mask >> 1)
     {
         num = num ^ mask;
     }
    return num;
  }

} //namespace Pmm2


// //Slice of bit in as LSB word
// u_int32_t BData::Slice(u_int32_t bitnumber,u_int32_t nbits)
// {
//   u_int32_t res = 0;
//   u_int32_t mask = 0x1;
//   for (u_int32_t i=0;i<nbits;i++)
//      {
//        res <<=1; 
//        if (TestBitNumber(bitnumber+i))
//       {
//       res |= mask;
//       printf("1");
//       } else {
//       printf("0");
//        }
//      }
//   printf("\n");
//   return res;
// }