1//===-- Utility class to test different flavors of iscanonical --*- 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_ISCANONICALTEST_H
10#define LLVM_LIBC_TEST_SRC_MATH_SMOKE_ISCANONICALTEST_H
11
12#include "test/UnitTest/FEnvSafeTest.h"
13#include "test/UnitTest/FPMatcher.h"
14#include "test/UnitTest/Test.h"
15
16template <typename T>
17class IsCanonicalTest : public LIBC_NAMESPACE::testing::FEnvSafeTest {
18
19 DECLARE_SPECIAL_CONSTANTS(T)
20
21public:
22 typedef int (*IsCanonicalFunc)(T);
23
24 void testSpecialNumbers(IsCanonicalFunc func) {
25 EXPECT_EQ(func(aNaN), 1);
26 EXPECT_EQ(func(neg_aNaN), 1);
27 EXPECT_EQ(func(sNaN), 0);
28 EXPECT_EQ(func(neg_sNaN), 0);
29 EXPECT_EQ(func(inf), 1);
30 EXPECT_EQ(func(neg_inf), 1);
31 EXPECT_EQ(func(min_normal), 1);
32 EXPECT_EQ(func(max_normal), 1);
33 EXPECT_EQ(func(neg_max_normal), 1);
34 EXPECT_EQ(func(min_denormal), 1);
35 EXPECT_EQ(func(neg_min_denormal), 1);
36 EXPECT_EQ(func(max_denormal), 1);
37 EXPECT_EQ(func(zero), 1);
38 EXPECT_EQ(func(neg_zero), 1);
39 }
40
41 void testRoundedNumbers(IsCanonicalFunc func) {
42 EXPECT_EQ(func(T(1.0)), 1);
43 EXPECT_EQ(func(T(-1.0)), 1);
44 EXPECT_EQ(func(T(10.0)), 1);
45 EXPECT_EQ(func(T(-10.0)), 1);
46 EXPECT_EQ(func(T(1234.0)), 1);
47 EXPECT_EQ(func(T(-1234.0)), 1);
48 }
49};
50
51#define LIST_ISCANONICAL_TESTS(T, func) \
52 using LlvmLibcIsCanonicalTest = IsCanonicalTest<T>; \
53 TEST_F(LlvmLibcIsCanonicalTest, SpecialNumbers) { \
54 testSpecialNumbers(&func); \
55 } \
56 TEST_F(LlvmLibcIsCanonicalTest, RoundedNubmers) { testRoundedNumbers(&func); }
57
58#endif // LLVM_LIBC_TEST_SRC_MATH_SMOKE_ISCANONICALTEST_H
59

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