1//===-- Unittests for isnan macro -----------------------------------------===//
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#include "include/llvm-libc-macros/math-function-macros.h"
9
10#include <assert.h>
11
12// check if macro is defined
13#ifndef isnan
14#error "isnan macro is not defined"
15#else
16int main(void) {
17 assert(!isnan(1.0f));
18 assert(!isnan(1.0));
19 assert(!isnan(1.0L));
20 return 0;
21}
22#endif
23

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source code of libc/test/include/isnan_test.c