1 //===-- Unittests for hypotf ----------------------------------------------===//
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 "HypotTest.h"
10
11 #include "src/math/hypotf.h"
12
13 using LlvmLibcHypotfTest = HypotTestTemplate<float>;
14
TEST_F(LlvmLibcHypotfTest,SpecialNumbers)15 TEST_F(LlvmLibcHypotfTest, SpecialNumbers) {
16 test_special_numbers(&LIBC_NAMESPACE::hypotf);
17 }
18
19 #ifdef LIBC_TEST_FTZ_DAZ
20
21 using namespace LIBC_NAMESPACE::testing;
22
TEST_F(LlvmLibcHypotfTest,FTZMode)23 TEST_F(LlvmLibcHypotfTest, FTZMode) {
24 ModifyMXCSR mxcsr(FTZ);
25
26 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::hypotf(min_denormal, min_denormal));
27 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::hypotf(min_denormal, max_denormal));
28 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::hypotf(max_denormal, min_denormal));
29 EXPECT_FP_EQ(0x1.6a09e4p-126f,
30 LIBC_NAMESPACE::hypotf(max_denormal, max_denormal));
31 }
32
TEST_F(LlvmLibcHypotfTest,DAZMode)33 TEST_F(LlvmLibcHypotfTest, DAZMode) {
34 ModifyMXCSR mxcsr(DAZ);
35
36 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::hypotf(min_denormal, min_denormal));
37 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::hypotf(min_denormal, max_denormal));
38 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::hypotf(max_denormal, min_denormal));
39 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::hypotf(max_denormal, max_denormal));
40 }
41
TEST_F(LlvmLibcHypotfTest,FTZDAZMode)42 TEST_F(LlvmLibcHypotfTest, FTZDAZMode) {
43 ModifyMXCSR mxcsr(FTZ | DAZ);
44
45 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::hypotf(min_denormal, min_denormal));
46 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::hypotf(min_denormal, max_denormal));
47 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::hypotf(max_denormal, min_denormal));
48 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::hypotf(max_denormal, max_denormal));
49 }
50
51 #endif
52