1 // RUN: %clang_cc1 -std=c++98 -fsyntax-only -verify -pedantic %s 2 // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify -pedantic %s 3 // RUN: %clang_cc1 -std=c++14 -fsyntax-only -verify -pedantic %s 4 // RUN: %clang_cc1 -std=c++17 -fsyntax-only -verify -pedantic %s 5 double e = 0x.p0; // expected-error-re {{hexadecimal floating {{constant|literal}} requires a significand}} 6 7 float f = 0x1p+1; 8 double d = 0x.2p2; 9 float g = 0x1.2p2; 10 double h = 0x1.p2; 11 #if __cplusplus <= 201402L 12 // expected-warning@-5 {{hexadecimal floating literals are a C++17 feature}} 13 // expected-warning@-5 {{hexadecimal floating literals are a C++17 feature}} 14 // expected-warning@-5 {{hexadecimal floating literals are a C++17 feature}} 15 // expected-warning@-5 {{hexadecimal floating literals are a C++17 feature}} 16 #endif 17 18 // PR12717: In order to minimally diverge from the C++ standard, we do not lex 19 // 'p[+-]' as part of a pp-number unless the token starts 0x and doesn't contain 20 // an underscore. 21 double i = 0p+3; // expected-error {{invalid suffix 'p' on integer constant}} 22 #define PREFIX(x) foo ## x 23 double foo0p = 1, j = PREFIX(0p+3); // ok 24 double k = 0x42_amp+3; 25 #if __cplusplus > 201402L 26 // expected-error@-2 {{no matching literal operator for call to 'operator""_amp+3'}} 27 #elif __cplusplus >= 201103L 28 // expected-error@-4 {{no matching literal operator for call to 'operator""_amp'}} 29 #else 30 // expected-error@-6 {{invalid suffix '_amp' on integer constant}} 31 #endif 32