1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // test numeric_limits 11 12 // float_round_style 13 14 #include <limits> 15 16 typedef char one; 17 struct two {one _[2];}; 18 19 one test(std::float_round_style); 20 two test(int); 21 22 int main() 23 { 24 static_assert(std::round_indeterminate == -1, 25 "std::round_indeterminate == -1"); 26 static_assert(std::round_toward_zero == 0, 27 "std::round_toward_zero == 0"); 28 static_assert(std::round_to_nearest == 1, 29 "std::round_to_nearest == 1"); 30 static_assert(std::round_toward_infinity == 2, 31 "std::round_toward_infinity == 2"); 32 static_assert(std::round_toward_neg_infinity == 3, 33 "std::round_toward_neg_infinity == 3"); 34 static_assert(sizeof(test(std::round_to_nearest)) == 1, 35 "sizeof(test(std::round_to_nearest)) == 1"); 36 static_assert(sizeof(test(1)) == 2, 37 "sizeof(test(1)) == 2"); 38 } 39
