Re: Dec2Bin conversion

From:
zacariaz@gmail.com
Newsgroups:
comp.lang.c++
Date:
14 May 2007 04:53:31 -0700
Message-ID:
<1179143611.355249.189500@n59g2000hsh.googlegroups.com>
On 14 Maj, 08:02, "BobR" <removeBadB...@worldnet.att.net> wrote:

<zacar...@gmail.com> wrote in message ...

This is pretty much beginners stuff, but anyway i though i would ask
the question.
Does it have to be this complicated?
I think the below code speaks for itself, but basicly i need to
convert an unsigned integer into binary and stuff it into a boolean
vector. (supose an aray could do allso, but this is easyer)

@code
#include <vector>
#include <iostream>

class T {
    std::vector<bool>B;
  public:
    void Convert(unsigned long a) {
      B.clear(); file://just in case
      for(int i = 0; i < 32; i++, a = a >> 1) {
        B.push_back(a & 1);
      }
      for(int i = 31; i >= 0 && B[i] != 1; i--) {
        B.pop_back();
      }
    }

    void Print() {
      for(int i = B.size() - 1; i >= 0; i--) {
        std::cout << B[i];
      }
    }

} test;

int main() {
  test.Convert(255);
  test.Print();
  std::cin.get();
}
@code

Your input will be appreciated.
Regards


#include <bitset>
int main(){
   std::bitset<64> b;
   b=255;
   std::cout<<"b=255;\n"<< b <<std::endl;
   return 0;
   }

Also check out 'std::bit_vector'.

--
Bob R
POVrookie- Skjul tekst i anf=F8rselstegn -

- Vis tekst i anf=F8rselstegn -


bitset is not an option as it is limited to whatever number of bits
you choose to assign. It needs to be dynamicly.

I actually thought that vector<bool> was more or less the same as
bit_vector, except ive heard that i should use vector<bool>

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