1// RUN: %clang_builtins %s %librt -o %t && %run %t
2
3//===--------------- truncdfsf2_test.c - Test __truncdfsf2 ----------------===//
4//
5// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
6// See https://llvm.org/LICENSE.txt for license information.
7// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
8//
9//===----------------------------------------------------------------------===//
10//
11// This file tests __truncdfsf2 for the compiler_rt library.
12//
13//===----------------------------------------------------------------------===//
14
15#include <stdio.h>
16
17#include "fp_test.h"
18
19float __truncdfsf2(double a);
20
21int test__truncdfsf2(double a)
22{
23    float actual = __truncdfsf2(a);
24    float expected = a;
25
26    if (actual != expected) {
27        printf("error in test__truncdfsf2(%lf) = %f, "
28               "expected %f\n", a, actual, expected);
29        return 1;
30    }
31    return 0;
32}
33
34int main()
35{
36    if (test__truncdfsf2(340282366920938463463374607431768211456.0))
37        return 1;
38    return 0;
39}
40