c++11 - What is the difference between shuffle and random_shuffle c++ -


the function std::shuffle has been introduced in c++11:

template< class randomit, class urng > void shuffle( randomit first, randomit last, urng&& g ); 

and has same signature 1 of overloads of std::random_shuffle introduced in c++11:

template< class randomit, class randomfunc > void random_shuffle( randomit first, randomit last, randomfunc&& r ); 

the difference in third parameter where:

urng must meet requirements of uniformrandomnumbergenerator

is all? difference shuffle performs compile time check? behavior otherwise same?

if read documentation @ cppreference.com closely, find randomfunc passed random_shuffle has different interface. invoked r(n). existed before c++11.

std::shuffle uses standardized way of getting random numbers , invokes g(). standardized random number generators introduced c++11 std::shuffle.


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