1 // RUN: %clang_cc1 -std=c++17 -fsyntax-only -verify %s 2 // RUN: %clang_cc1 -std=c++17 -fsyntax-only -verify -fexperimental-new-constant-interpreter %s 3 // expected-no-diagnostics 4 5 constexpr double NaN = __builtin_nan(""); 6 constexpr double SNaN = __builtin_nans(""); 7 constexpr double Inf = __builtin_inf(); 8 constexpr double NegInf = -__builtin_inf(); 9 10 #define FMAXIMUMNUM_TEST_SIMPLE(T, FUNC) \ 11 static_assert(T(6.7890) == FUNC(T(1.2345), T(6.7890))); \ 12 static_assert(T(6.7890) == FUNC(T(6.7890), T(1.2345))); 13 14 #define FMAXIMUMNUM_TEST_SNAN(T, FUNC) \ 15 static_assert(Inf == FUNC(SNaN, Inf)); \ 16 static_assert(NegInf == FUNC(NegInf, SNaN)); \ 17 static_assert(0.0 == FUNC(SNaN, 0.0)); \ 18 static_assert(-0.0 == FUNC(-0.0, SNaN)); \ 19 static_assert(T(-1.2345) == FUNC(SNaN, T(-1.2345))); \ 20 static_assert(T(1.2345) == FUNC(T(1.2345), SNaN)); \ 21 static_assert(__builtin_isnan(FUNC(SNaN, SNaN))); \ 22 static_assert(__builtin_isnan(FUNC(NaN, SNaN))); \ 23 static_assert(!__builtin_issignaling(FUNC(SNaN, SNaN))); \ 24 static_assert(!__builtin_issignaling(FUNC(NaN, SNaN))); 25 26 #define FMAXIMUMNUM_TEST_NAN(T, FUNC) \ 27 static_assert(Inf == FUNC(NaN, Inf)); \ 28 static_assert(NegInf == FUNC(NegInf, NaN)); \ 29 static_assert(0.0 == FUNC(NaN, 0.0)); \ 30 static_assert(-0.0 == FUNC(-0.0, NaN)); \ 31 static_assert(T(-1.2345) == FUNC(NaN, T(-1.2345))); \ 32 static_assert(T(1.2345) == FUNC(T(1.2345), NaN)); \ 33 static_assert(__builtin_isnan(FUNC(NaN, NaN))); 34 35 #define FMAXIMUMNUM_TEST_INF(T, FUNC) \ 36 static_assert(Inf == FUNC(NegInf, Inf)); \ 37 static_assert(Inf == FUNC(Inf, 0.0)); \ 38 static_assert(Inf == FUNC(-0.0, Inf)); \ 39 static_assert(Inf == FUNC(Inf, T(1.2345))); \ 40 static_assert(Inf == FUNC(T(-1.2345), Inf)); 41 42 #define FMAXIMUMNUM_TEST_NEG_INF(T, FUNC) \ 43 static_assert(Inf == FUNC(Inf, NegInf)); \ 44 static_assert(0.0 == FUNC(NegInf, 0.0)); \ 45 static_assert(-0.0 == FUNC(-0.0, NegInf)); \ 46 static_assert(T(-1.2345) == FUNC(NegInf, T(-1.2345))); \ 47 static_assert(T(1.2345) == FUNC(T(1.2345), NegInf)); 48 49 #define FMAXIMUMNUM_TEST_BOTH_ZERO(T, FUNC) \ 50 static_assert(__builtin_copysign(1.0, FUNC(0.0, 0.0)) == 1.0); \ 51 static_assert(__builtin_copysign(1.0, FUNC(-0.0, 0.0)) == 1.0); \ 52 static_assert(__builtin_copysign(1.0, FUNC(0.0, -0.0)) == 1.0); \ 53 static_assert(__builtin_copysign(1.0, FUNC(-0.0, -0.0)) == -1.0); 54 55 #define LIST_FMAXIMUMNUM_TESTS(T, FUNC) \ 56 FMAXIMUMNUM_TEST_SIMPLE(T, FUNC) \ 57 FMAXIMUMNUM_TEST_NAN(T, FUNC) \ 58 FMAXIMUMNUM_TEST_SNAN(T, FUNC) \ 59 FMAXIMUMNUM_TEST_INF(T, FUNC) \ 60 FMAXIMUMNUM_TEST_NEG_INF(T, FUNC) \ 61 FMAXIMUMNUM_TEST_BOTH_ZERO(T, FUNC) 62 63 LIST_FMAXIMUMNUM_TESTS(double, __builtin_fmaximum_num) 64 LIST_FMAXIMUMNUM_TESTS(float, __builtin_fmaximum_numf) 65 LIST_FMAXIMUMNUM_TESTS((long double), __builtin_fmaximum_numl) 66 LIST_FMAXIMUMNUM_TESTS(__fp16, __builtin_fmaximum_numf16) 67 #ifdef __FLOAT128__ 68 LIST_FMAXIMUMNUM_TESTS(__float128, __builtin_fmaximum_numf128) 69 #endif 70