1//===-- Unittests for cbrtf -----------------------------------------------===//
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/math/cbrtf.h"
10#include "test/UnitTest/FPMatcher.h"
11#include "test/UnitTest/Test.h"
12
13using LlvmLibcCbrtfTest = LIBC_NAMESPACE::testing::FPTest<float>;
14
15using LIBC_NAMESPACE::testing::tlog;
16
17TEST_F(LlvmLibcCbrtfTest, SpecialNumbers) {
18 EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, LIBC_NAMESPACE::cbrtf(sNaN), FE_INVALID);
19 EXPECT_MATH_ERRNO(0);
20
21 EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::cbrtf(aNaN));
22 EXPECT_FP_EQ_ALL_ROUNDING(inf, LIBC_NAMESPACE::cbrtf(inf));
23 EXPECT_FP_EQ_ALL_ROUNDING(neg_inf, LIBC_NAMESPACE::cbrtf(neg_inf));
24 EXPECT_FP_EQ_ALL_ROUNDING(zero, LIBC_NAMESPACE::cbrtf(zero));
25 EXPECT_FP_EQ_ALL_ROUNDING(neg_zero, LIBC_NAMESPACE::cbrtf(neg_zero));
26 EXPECT_FP_EQ_ALL_ROUNDING(1.0f, LIBC_NAMESPACE::cbrtf(1.0f));
27 EXPECT_FP_EQ_ALL_ROUNDING(-1.0f, LIBC_NAMESPACE::cbrtf(-1.0f));
28 EXPECT_FP_EQ_ALL_ROUNDING(2.0f, LIBC_NAMESPACE::cbrtf(8.0f));
29 EXPECT_FP_EQ_ALL_ROUNDING(-2.0f, LIBC_NAMESPACE::cbrtf(-8.0f));
30 EXPECT_FP_EQ_ALL_ROUNDING(3.0f, LIBC_NAMESPACE::cbrtf(27.0f));
31 EXPECT_FP_EQ_ALL_ROUNDING(-3.0f, LIBC_NAMESPACE::cbrtf(-27.0f));
32 EXPECT_FP_EQ_ALL_ROUNDING(5.0f, LIBC_NAMESPACE::cbrtf(125.0f));
33 EXPECT_FP_EQ_ALL_ROUNDING(-5.0f, LIBC_NAMESPACE::cbrtf(-125.0f));
34 EXPECT_FP_EQ_ALL_ROUNDING(0x1.0p42f, LIBC_NAMESPACE::cbrtf(0x1.0p126f));
35 EXPECT_FP_EQ_ALL_ROUNDING(-0x1.0p42f, LIBC_NAMESPACE::cbrtf(-0x1.0p126f));
36}
37
38#ifdef LIBC_TEST_FTZ_DAZ
39
40using namespace LIBC_NAMESPACE::testing;
41
42TEST_F(LlvmLibcCbrtfTest, FTZMode) {
43 ModifyMXCSR mxcsr(FTZ);
44
45 EXPECT_FP_EQ(0x1.428a3p-50f, LIBC_NAMESPACE::cbrtf(min_denormal));
46 EXPECT_FP_EQ(0x1.fffffep-43f, LIBC_NAMESPACE::cbrtf(max_denormal));
47}
48
49TEST_F(LlvmLibcCbrtfTest, DAZMode) {
50 ModifyMXCSR mxcsr(DAZ);
51
52 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::cbrtf(min_denormal));
53 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::cbrtf(max_denormal));
54}
55
56TEST_F(LlvmLibcCbrtfTest, FTZDAZMode) {
57 ModifyMXCSR mxcsr(FTZ | DAZ);
58
59 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::cbrtf(min_denormal));
60 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::cbrtf(max_denormal));
61}
62
63#endif
64

source code of libc/test/src/math/smoke/cbrtf_test.cpp