id,summary,reporter,owner,description,type,status,milestone,component,version,severity,resolution,keywords,cc
11178,cpp_dec_float calculation bug,nxjiang1@…,John Maddock,"#include <iostream>

#include <boost/multiprecision/cpp_dec_float.hpp>

using namespace boost::multiprecision;
using namespace std;

int main(int argc, char *argv[]) {
    cpp_dec_float_100 p(""4.5"");
    cpp_dec_float_100 a(""7.2"");

    cpp_dec_float_100 r = p / a;//(""0.625"");
    cout << r.str() << endl;

    if (r == cpp_dec_float_100(""0.625"")) cout << ""HOHO"" << endl;
    cout << r.str(2, ios_base::fixed) << endl;

    r *= 100;
    cout << r.str(2, ios_base::fixed) << endl;
    r = round(r);
    cout << r.str(2, ios_base::fixed) << endl;
    r /= 100;

    cout << r.str(2, ios_base::fixed) << endl;

    return 0;
}",Bugs,new,To Be Determined,multiprecision,Boost 1.57.0,Problem,,,e_float@…