public static member function
<random>
static constexpr result_type max();
Maximum value
Returns the maximum value potentially returned by member operator(), which for linear_congruential_engine is modulus-1 (where modulus is a member constant, alias of the fourth template parameter, m).
Return value
modulus-1
result_type is a member type, defined as an alias of the first class template parameter (UIntType).
Example
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// linear_congruential_engine::min and max
#include <iostream>
#include <chrono>
#include <random>
int main ()
{
unsigned seed = std::chrono::system_clock::now().time_since_epoch().count();
std::minstd_rand0 generator (seed); // minstd_rand0 is a standard linear_congruential_engine
std::cout << generator() << " is a random number between ";
std::cout << generator.min() << " and " << generator.max();
return 0;
}
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Possible output:
204181028 is a random number between 1 and 2147483646
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Complexity
None (compile-time constant).