15 lines
1 KiB
C++
15 lines
1 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify -pedantic %s
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// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify -pedantic %s
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float f = 0x1p+1; // expected-warning{{hexadecimal floating constants are a C99 feature}}
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double e = 0x.p0; //expected-error{{hexadecimal floating constants require a significand}}
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double d = 0x.2p2; // expected-warning{{hexadecimal floating constants are a C99 feature}}
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float g = 0x1.2p2; // expected-warning{{hexadecimal floating constants are a C99 feature}}
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double h = 0x1.p2; // expected-warning{{hexadecimal floating constants are a C99 feature}}
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// PR12717: In order to minimally diverge from the C++ standard, we do not lex
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// 'p[+-]' as part of a pp-number unless the token starts 0x and doesn't contain
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// an underscore.
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double i = 0p+3; // expected-error{{invalid suffix 'p' on integer constant}}
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#define PREFIX(x) foo ## x
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double foo0p = 1, j = PREFIX(0p+3); // ok
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double k = 0x42_amp+3; // expected-error-re{{invalid suffix '_amp' on integer constant|no matching literal operator for call to 'operator "" _amp'}}
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