584cc37687
`template <class = int>` is also added to our implementations to avoid an ambiguity between the libc's version and our version when both are visible. This avoids including `<stdlib.h>` in `<math.h>`.
27 lines
1017 B
C++
27 lines
1017 B
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include <cmath>
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void f() {
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unsigned int ui = -5;
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(void)std::abs(ui); // expected-error {{call to 'abs' is ambiguous}}
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unsigned char uc = -5;
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(void)std::abs(uc); // expected-warning 0-1 {{taking the absolute value of unsigned type 'unsigned char' has no effect}}
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unsigned short us = -5;
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(void)std::abs(us); // expected-warning 0-1 {{taking the absolute value of unsigned type 'unsigned short' has no effect}}
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unsigned long ul = -5;
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(void)std::abs(ul); // expected-error {{call to 'abs' is ambiguous}}
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unsigned long long ull = -5;
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(void)std::abs(ull); // expected-error {{call to 'abs' is ambiguous}}
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}
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