1570af302Sopenharmony_ci/*
2570af302Sopenharmony_ci * Copyright (C) 2022 Huawei Device Co., Ltd.
3570af302Sopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License");
4570af302Sopenharmony_ci * you may not use this file except in compliance with the License.
5570af302Sopenharmony_ci * You may obtain a copy of the License at
6570af302Sopenharmony_ci *
7570af302Sopenharmony_ci *     http://www.apache.org/licenses/LICENSE-2.0
8570af302Sopenharmony_ci *
9570af302Sopenharmony_ci * Unless required by applicable law or agreed to in writing, software
10570af302Sopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS,
11570af302Sopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12570af302Sopenharmony_ci * See the License for the specific language governing permissions and
13570af302Sopenharmony_ci * limitations under the License.
14570af302Sopenharmony_ci */
15570af302Sopenharmony_ci
16570af302Sopenharmony_ci#include <float.h>
17570af302Sopenharmony_ci#include <math.h>
18570af302Sopenharmony_ci#include <stdlib.h>
19570af302Sopenharmony_ci#include "functionalext.h"
20570af302Sopenharmony_ci
21570af302Sopenharmony_ci/**
22570af302Sopenharmony_ci * @tc.name      : nanl.
23570af302Sopenharmony_ci * @tc.desc      : Verify nanl process success and return 0.
24570af302Sopenharmony_ci * @tc.level     : level 0
25570af302Sopenharmony_ci */
26570af302Sopenharmony_civoid nanl_0100(void)
27570af302Sopenharmony_ci{
28570af302Sopenharmony_ci    long double ret = nanl("");
29570af302Sopenharmony_ci    if (fabsl(ret - NAN) > LDBL_EPSILON) {
30570af302Sopenharmony_ci        t_error("nanl_0100 failed");
31570af302Sopenharmony_ci    }
32570af302Sopenharmony_ci}
33570af302Sopenharmony_ci
34570af302Sopenharmony_ciint main(void)
35570af302Sopenharmony_ci{
36570af302Sopenharmony_ci    nanl_0100();
37570af302Sopenharmony_ci    return t_status;
38570af302Sopenharmony_ci}
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