id,summary,reporter,owner,description,type,status,milestone,component,version,severity,resolution,keywords,cc
8126,"multiprecision, incorrect sign",Stepan Podoskin <stepik-777@…>,John Maddock,"This program outputs ""-1"" instead of ""1"".

Tested on 32-bit machine with GCC 4.7.2 and MSVC 2010 (boost 1.53.0).
{{{

#include <iostream>
#include <boost/multiprecision/cpp_int.hpp>
using boost::multiprecision::cpp_int;

int main()
{
    cpp_int a(""-4294967296"");
    cpp_int b(""4294967296"");
    cpp_int c(""-1"");
    std::cout << (a/b)*c << '\n'; // prints ""1"" (correct)
    a = (a/b)*c;
    std::cout << a; // prints ""-1"" (incorrect)
    return 0;
}

}}}",Bugs,closed,To Be Determined,multiprecision,Boost 1.53.0,Problem,fixed,,