llvm/libc/include/llvm-libc-macros/math-function-macros.h

//===-- Definition of function macros from math.h -------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_LIBC_MACROS_MATH_FUNCTION_MACROS_H
#define LLVM_LIBC_MACROS_MATH_FUNCTION_MACROS_H

#define isfinite(x) …
#define isinf(x) …
#define isnan(x) …
#define signbit(x) …

#endif // LLVM_LIBC_MACROS_MATH_FUNCTION_MACROS_H