1//===--- TypePromotionInMathFnCheck.h - clang-tidy---------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_TYPE_PROMOTION_IN_MATH_FN_H
10#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_TYPE_PROMOTION_IN_MATH_FN_H
11
12#include "../ClangTidyCheck.h"
13#include "../utils/IncludeInserter.h"
14
15namespace clang::tidy::performance {
16
17/// Finds calls to C math library functions with implicit float to double
18/// promotions.
19///
20/// For example, warns on ::sin(0.f), because this function's parameter is a
21/// double. You probably meant to call std::sin(0.f) (in C++), or sinf(0.f) (in
22/// C).
23///
24/// For the user-facing documentation see:
25/// http://clang.llvm.org/extra/clang-tidy/checks/performance/type-promotion-in-math-fn.html
26class TypePromotionInMathFnCheck : public ClangTidyCheck {
27public:
28 TypePromotionInMathFnCheck(StringRef Name, ClangTidyContext *Context);
29
30 void registerPPCallbacks(const SourceManager &SM, Preprocessor *PP,
31 Preprocessor *ModuleExpanderPP) override;
32 void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
33 void registerMatchers(ast_matchers::MatchFinder *Finder) override;
34 void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
35
36private:
37 utils::IncludeInserter IncludeInserter;
38};
39
40} // namespace clang::tidy::performance
41
42#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_TYPE_PROMOTION_IN_MATH_FN_H
43

source code of clang-tools-extra/clang-tidy/performance/TypePromotionInMathFnCheck.h