1*5a83710eSEric Fiselier //===----------------------------------------------------------------------===// 2*5a83710eSEric Fiselier // 3*5a83710eSEric Fiselier // The LLVM Compiler Infrastructure 4*5a83710eSEric Fiselier // 5*5a83710eSEric Fiselier // This file is dual licensed under the MIT and the University of Illinois Open 6*5a83710eSEric Fiselier // Source Licenses. See LICENSE.TXT for details. 7*5a83710eSEric Fiselier // 8*5a83710eSEric Fiselier //===----------------------------------------------------------------------===// 9*5a83710eSEric Fiselier 10*5a83710eSEric Fiselier // <functional> 11*5a83710eSEric Fiselier 12*5a83710eSEric Fiselier // modulus 13*5a83710eSEric Fiselier 14*5a83710eSEric Fiselier #include <functional> 15*5a83710eSEric Fiselier #include <type_traits> 16*5a83710eSEric Fiselier #include <cassert> 17*5a83710eSEric Fiselier 18*5a83710eSEric Fiselier int main() 19*5a83710eSEric Fiselier { 20*5a83710eSEric Fiselier typedef std::modulus<int> F; 21*5a83710eSEric Fiselier const F f = F(); 22*5a83710eSEric Fiselier static_assert((std::is_base_of<std::binary_function<int, int, int>, F>::value), ""); 23*5a83710eSEric Fiselier assert(f(36, 8) == 4); 24*5a83710eSEric Fiselier #if _LIBCPP_STD_VER > 11 25*5a83710eSEric Fiselier typedef std::modulus<> F2; 26*5a83710eSEric Fiselier const F2 f2 = F2(); 27*5a83710eSEric Fiselier assert(f2(36, 8) == 4); 28*5a83710eSEric Fiselier assert(f2(36L, 8) == 4); 29*5a83710eSEric Fiselier assert(f2(36, 8L) == 4); 30*5a83710eSEric Fiselier 31*5a83710eSEric Fiselier constexpr int foo = std::modulus<int> () (3, 2); 32*5a83710eSEric Fiselier static_assert ( foo == 1, "" ); 33*5a83710eSEric Fiselier 34*5a83710eSEric Fiselier constexpr int bar = std::modulus<> () (3L, 2); 35*5a83710eSEric Fiselier static_assert ( bar == 1, "" ); 36*5a83710eSEric Fiselier #endif 37*5a83710eSEric Fiselier } 38