1 //===-- Unittests for fegetround and fesetround ---------------------------===//
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
9 #include "src/fenv/fegetround.h"
10 #include "src/fenv/fesetround.h"
11
12 #include "utils/UnitTest/Test.h"
13
14 #include <fenv.h>
15
TEST(LlvmLibcRoundingModeTest,SetAndGet)16 TEST(LlvmLibcRoundingModeTest, SetAndGet) {
17 int s = __llvm_libc::fesetround(FE_TONEAREST);
18 EXPECT_EQ(s, 0);
19 int rm = __llvm_libc::fegetround();
20 EXPECT_EQ(rm, FE_TONEAREST);
21
22 s = __llvm_libc::fesetround(FE_UPWARD);
23 EXPECT_EQ(s, 0);
24 rm = __llvm_libc::fegetround();
25 EXPECT_EQ(rm, FE_UPWARD);
26
27 s = __llvm_libc::fesetround(FE_DOWNWARD);
28 EXPECT_EQ(s, 0);
29 rm = __llvm_libc::fegetround();
30 EXPECT_EQ(rm, FE_DOWNWARD);
31
32 s = __llvm_libc::fesetround(FE_TOWARDZERO);
33 EXPECT_EQ(s, 0);
34 rm = __llvm_libc::fegetround();
35 EXPECT_EQ(rm, FE_TOWARDZERO);
36 }
37