I wonder why this result isn’t on google’s #1 for int log2 gcc. To get the integer logarithm to the base of 2, try sizeof(int) * __CHAR_BIT__ - 1 - __builtin_clz( n ); sizeof(long) * __CHAR_BIT__ - 1 - __builtin_clzl(...

/* Consider this following small example program. */ #include <functional> #include <iostream> using namespace std::placeholders; /* We write a subroutine that outputs the multiple of its arguments, a and b. */ void multiple(int a, int b, const std::string & who)...