bitset

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#include <cstdio>
#include <string>
#include <bitset>
using namespace std;
 
enum Draw
{
    ID_DISPLAY_FLUID = 0, 
    ID_DISPLAY_RIGID, 
    ID_DISPLAY_CELLS, 
    ID_DISPLAY_BC, 
    ID_DISPLAY_NORMAL, 
    ID_DISPLAY_VELOCITY, 
};
 
std::bitset<8> g_bsDraw;    std::bitset<8> g_bsDraw2((string)"00101001");    std::bitset<8> g_bsDraw3((unsigned long)0xFF);     
int main(void)
{
    g_bsDraw.reset();        
        g_bsDraw.set(ID_DISPLAY_FLUID, 1);
    g_bsDraw.set(ID_DISPLAY_BC, 1);
    g_bsDraw.set(ID_DISPLAY_VELOCITY, 1);
    
        g_bsDraw.flip(ID_DISPLAY_NORMAL);
    
        g_bsDraw.flip();
 
        if(g_bsDraw.at(ID_DISPLAY_NORMAL)){
        printf("normal on\n");
    }
    else{
        printf("normal off\n");
    }
    
        if(g_bsDraw[ID_DISPLAY_NORMAL]){
        printf("normal on\n");
    }
    else{
        printf("normal off\n");
    }
 
        printf("bitset : %s\n", g_bsDraw.to_string().c_str());
 
        printf("bitset : %d\n", g_bsDraw.to_ulong());
 
        printf("true : %d / %d\n", g_bsDraw.count(), g_bsDraw.size());
 
        g_bsDraw.set();
 
        g_bsDraw.reset();
 
        if(!g_bsDraw.any()) printf("all false\n");
 
        if(g_bsDraw.none()) printf("all false\n");
 
    return 0;
}