1//===-- Utility class to test fabs[f|l] -------------------------*- C++ -*-===//
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#ifndef LLVM_LIBC_TEST_SRC_MATH_SMOKE_FABSTEST_H
10#define LLVM_LIBC_TEST_SRC_MATH_SMOKE_FABSTEST_H
11
12#include "test/UnitTest/FEnvSafeTest.h"
13#include "test/UnitTest/FPMatcher.h"
14#include "test/UnitTest/Test.h"
15
16#include "hdr/math_macros.h"
17
18template <typename T>
19class FAbsTest : public LIBC_NAMESPACE::testing::FEnvSafeTest {
20
21 DECLARE_SPECIAL_CONSTANTS(T)
22
23public:
24 typedef T (*FabsFunc)(T);
25
26 void testSpecialNumbers(FabsFunc func) {
27 EXPECT_FP_EQ_ALL_ROUNDING(aNaN, func(aNaN));
28
29 EXPECT_FP_EQ_ALL_ROUNDING(inf, func(inf));
30 EXPECT_FP_EQ_ALL_ROUNDING(inf, func(neg_inf));
31
32 EXPECT_FP_EQ_ALL_ROUNDING(zero, func(zero));
33 EXPECT_FP_EQ_ALL_ROUNDING(zero, func(neg_zero));
34
35 EXPECT_FP_EQ_ALL_ROUNDING(T(1), func(T(1)));
36 EXPECT_FP_EQ_ALL_ROUNDING(T(1), func(T(-1)));
37 }
38};
39
40#define LIST_FABS_TESTS(T, func) \
41 using LlvmLibcFAbsTest = FAbsTest<T>; \
42 TEST_F(LlvmLibcFAbsTest, SpecialNumbers) { testSpecialNumbers(&func); }
43
44#endif // LLVM_LIBC_TEST_SRC_MATH_SMOKE_FABSTEST_H
45

source code of libc/test/src/math/smoke/FAbsTest.h