1//===-- Unittests for iszero 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 iszero
14#error "iszero macro is not defined"
15#else
16int main(void) {
17 assert(iszero(1.0f) == 0);
18 assert(iszero(1.0) == 0);
19 assert(iszero(1.0L) == 0);
20 assert(iszero(0.0f) == 1);
21 assert(iszero(0.0) == 1);
22 assert(iszero(0.0L) == 1);
23 return 0;
24}
25#endif
26

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