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[libc] Remove #ifdef __cplusplus part from include/llvm-libc-macros/math-macros.h. #87864

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Merged
merged 1 commit into from
Apr 8, 2024
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[libc] Remove #ifdef __cplusplus part from include/llvm-libc-macros/math-macros.h. #87864

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24 changes: 0 additions & 24 deletions libc/include/llvm-libc-macros/math-macros.h
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Original file line number Diff line number Diff line change
Expand Up @@ -51,33 +51,9 @@
#define math_errhandling (MATH_ERRNO | MATH_ERREXCEPT)
#endif

// These must be type-generic functions. The C standard specifies them as
// being macros rather than functions, in fact. However, in C++ it's important
// that there be function declarations that don't interfere with other uses of
// the identifier, even in places with parentheses where a function-like macro
// will be expanded (such as a function declaration in a C++ namespace).

// TODO: Move generic functional math macros to a separate header file.
#ifdef __cplusplus

template <typename T> inline constexpr bool isfinite(T x) {
return __builtin_isfinite(x);
}

template <typename T> inline constexpr bool isinf(T x) {
return __builtin_isinf(x);
}

template <typename T> inline constexpr bool isnan(T x) {
return __builtin_isnan(x);
}

#else

#define isfinite(x) __builtin_isfinite(x)
#define isinf(x) __builtin_isinf(x)
#define isnan(x) __builtin_isnan(x)

#endif

#endif // LLVM_LIBC_MACROS_MATH_MACROS_H