xref: /aosp_15_r20/external/llvm-libc/test/src/math/smoke/FAbsTest.h (revision 71db0c75aadcf003ffe3238005f61d7618a3fead)
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 
18 template <typename T>
19 class FAbsTest : public LIBC_NAMESPACE::testing::FEnvSafeTest {
20 
21   DECLARE_SPECIAL_CONSTANTS(T)
22 
23 public:
24   typedef T (*FabsFunc)(T);
25 
testSpecialNumbers(FabsFunc func)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