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