1//===-- Utility class to test different flavors of creal --------*- 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_COMPLEX_CREALTEST_H
10#define LLVM_LIBC_TEST_SRC_COMPLEX_CREALTEST_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 CFPT, typename FPT>
19class CRealTest : public LIBC_NAMESPACE::testing::FEnvSafeTest {
20
21 DECLARE_SPECIAL_CONSTANTS(FPT)
22
23public:
24 typedef FPT (*CRealFunc)(CFPT);
25
26 void testSpecialNumbers(CRealFunc func) {
27 EXPECT_FP_EQ(func(CFPT(aNaN + 67.123i)), aNaN);
28 EXPECT_FP_EQ(func(CFPT(neg_aNaN + 78.319i)), neg_aNaN);
29 EXPECT_FP_EQ(func(CFPT(sNaN + 7813.131i)), sNaN);
30 EXPECT_FP_EQ(func(CFPT(neg_sNaN + 7824.152i)), neg_sNaN);
31 EXPECT_FP_EQ(func(CFPT(inf + 9024.2442i)), inf);
32 EXPECT_FP_EQ(func(CFPT(neg_inf + 8923.124i)), neg_inf);
33 EXPECT_FP_EQ(func(CFPT(min_normal + 782.124i)), min_normal);
34 EXPECT_FP_EQ(func(CFPT(max_normal + 2141.2352i)), max_normal);
35 EXPECT_FP_EQ(func(CFPT(neg_max_normal + 341.134i)), neg_max_normal);
36 EXPECT_FP_EQ(func(CFPT(min_denormal + 781.142i)), min_denormal);
37 EXPECT_FP_EQ(func(CFPT(neg_min_denormal + 781.134i)), neg_min_denormal);
38 EXPECT_FP_EQ(func(CFPT(max_denormal + 1241.112i)), max_denormal);
39 EXPECT_FP_EQ(func(CFPT(zero + 121.121i)), zero);
40 EXPECT_FP_EQ(func(CFPT(0.0 + 0.0i)), zero);
41 EXPECT_FP_EQ(func(CFPT(-0.0 + 0.0i)), zero);
42 EXPECT_FP_EQ(func(CFPT(0.0 - 0.0i)), zero);
43 EXPECT_FP_EQ(func(CFPT(-0.0 - 0.0i)), neg_zero);
44 EXPECT_FP_EQ(func(CFPT(0.0)), zero);
45 EXPECT_FP_EQ(func(CFPT(-0.0)), neg_zero);
46 EXPECT_FP_EQ(func(CFPT(0.0i)), zero);
47 EXPECT_FP_EQ(func(CFPT(-0.0i)), neg_zero);
48 }
49
50 void testRoundedNumbers(CRealFunc func) {
51 EXPECT_FP_EQ(func((CFPT)(4523.1413 + 12413.1414i)), (FPT)(4523.1413));
52 EXPECT_FP_EQ(func((CFPT)(-4523.1413 + 12413.1414i)), (FPT)(-4523.1413));
53 EXPECT_FP_EQ(func((CFPT)(4523.1413 - 12413.1414i)), (FPT)(4523.1413));
54 EXPECT_FP_EQ(func((CFPT)(-4523.1413 - 12413.1414i)), (FPT)(-4523.1413));
55
56 EXPECT_FP_EQ(func((CFPT)(3210.5678 + 9876.5432i)), (FPT)(3210.5678));
57 EXPECT_FP_EQ(func((CFPT)(-3210.5678 + 9876.5432i)), (FPT)(-3210.5678));
58 EXPECT_FP_EQ(func((CFPT)(3210.5678 - 9876.5432i)), (FPT)(3210.5678));
59 EXPECT_FP_EQ(func((CFPT)(-3210.5678 - 9876.5432i)), (FPT)(-3210.5678));
60
61 EXPECT_FP_EQ(func((CFPT)(1234.4321 + 4321.1234i)), (FPT)(1234.4321));
62 EXPECT_FP_EQ(func((CFPT)(-1234.4321 + 4321.1234i)), (FPT)(-1234.4321));
63 EXPECT_FP_EQ(func((CFPT)(1234.4321 - 4321.1234i)), (FPT)(1234.4321));
64 EXPECT_FP_EQ(func((CFPT)(-1234.4321 - 4321.1234i)), (FPT)(-1234.4321));
65
66 EXPECT_FP_EQ(func((CFPT)(6789.1234 + 8765.6789i)), (FPT)(6789.1234));
67 EXPECT_FP_EQ(func((CFPT)(-6789.1234 + 8765.6789i)), (FPT)(-6789.1234));
68 EXPECT_FP_EQ(func((CFPT)(6789.1234 - 8765.6789i)), (FPT)(6789.1234));
69 EXPECT_FP_EQ(func((CFPT)(-6789.1234 - 8765.6789i)), (FPT)(-6789.1234));
70 }
71};
72
73#define LIST_CREAL_TESTS(U, T, func) \
74 using LlvmLibcCRealTest = CRealTest<U, T>; \
75 TEST_F(LlvmLibcCRealTest, SpecialNumbers) { testSpecialNumbers(&func); } \
76 TEST_F(LlvmLibcCRealTest, RoundedNumbers) { testRoundedNumbers(&func); }
77
78#endif // LLVM_LIBC_TEST_SRC_COMPLEX_CREALTEST_H
79

source code of libc/test/src/complex/CRealTest.h