1//===-- Utility class to test different flavors of issignaling --*- 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_ISSIGNALINGTEST_H
10#define LLVM_LIBC_TEST_SRC_MATH_SMOKE_ISSIGNALINGTEST_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 IsSignalingTest : public LIBC_NAMESPACE::testing::FEnvSafeTest {
20
21 DECLARE_SPECIAL_CONSTANTS(T)
22
23public:
24 typedef int (*IsSignalingFunc)(T);
25
26 void testSpecialNumbers(IsSignalingFunc func) {
27 EXPECT_EQ(func(aNaN), 0);
28 EXPECT_EQ(func(neg_aNaN), 0);
29 EXPECT_EQ(func(sNaN), 1);
30 EXPECT_EQ(func(neg_sNaN), 1);
31 EXPECT_EQ(func(inf), 0);
32 EXPECT_EQ(func(neg_inf), 0);
33 EXPECT_EQ(func(min_normal), 0);
34 EXPECT_EQ(func(max_normal), 0);
35 EXPECT_EQ(func(neg_max_normal), 0);
36 EXPECT_EQ(func(min_denormal), 0);
37 EXPECT_EQ(func(neg_min_denormal), 0);
38 EXPECT_EQ(func(max_denormal), 0);
39 EXPECT_EQ(func(zero), 0);
40 EXPECT_EQ(func(neg_zero), 0);
41 }
42
43 void testRoundedNumbers(IsSignalingFunc func) {
44 EXPECT_EQ(func(T(1.0)), 0);
45 EXPECT_EQ(func(T(-1.0)), 0);
46 EXPECT_EQ(func(T(10.0)), 0);
47 EXPECT_EQ(func(T(-10.0)), 0);
48 EXPECT_EQ(func(T(1234.0)), 0);
49 EXPECT_EQ(func(T(-1234.0)), 0);
50 }
51};
52
53#define LIST_ISSIGNALING_TESTS(T, func) \
54 using LlvmLibcIsSignalingTest = IsSignalingTest<T>; \
55 TEST_F(LlvmLibcIsSignalingTest, SpecialNumbers) { \
56 testSpecialNumbers(&func); \
57 } \
58 TEST_F(LlvmLibcIsSignalingTest, RoundedNubmers) { testRoundedNumbers(&func); }
59
60#endif // LLVM_LIBC_TEST_SRC_MATH_SMOKE_ISSIGNALINGTEST_H
61

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