dump size of PRNG objects in C++11 Standard.

prngsize.cpp

#include <random>
#include <iostream>

int main()
{
  std::cout <<
    sizeof(std::size_t) << "\n"
    "minstd_rand0 " << sizeof(std::minstd_rand0) << "\n"
    "minstd_rand " << sizeof(std::minstd_rand) << "\n"
    "mt19937 " << sizeof(std::mt19937) << "\n"
    "mt19937_64 " << sizeof(std::mt19937_64) << "\n"
    "ranlux24_base " << sizeof(std::ranlux24_base) << "\n"
    "ranlux48_base " << sizeof(std::ranlux48_base) << "\n"
    "ranlux24 " << sizeof(std::ranlux24) << "\n"
    "ranlux48 " << sizeof(std::ranlux48) << "\n"
    "knuth_b " << sizeof(std::knuth_b) << "\n"
  << std::flush;
}

http://d.hatena.ne.jp/yohhoy/20131221/p1 (ja)