| //===-- Utility class to test round[f|l] ------------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIBC_TEST_SRC_MATH_SMOKE_ROUNDTEST_H |
| #define LLVM_LIBC_TEST_SRC_MATH_SMOKE_ROUNDTEST_H |
| |
| #include "test/UnitTest/FEnvSafeTest.h" |
| #include "test/UnitTest/FPMatcher.h" |
| #include "test/UnitTest/Test.h" |
| |
| #include "hdr/math_macros.h" |
| |
| template <typename T> |
| class RoundTest : public LIBC_NAMESPACE::testing::FEnvSafeTest { |
| |
| DECLARE_SPECIAL_CONSTANTS(T) |
| |
| public: |
| typedef T (*RoundFunc)(T); |
| |
| void testSpecialNumbers(RoundFunc func) { |
| EXPECT_FP_EQ(zero, func(zero)); |
| EXPECT_FP_EQ(neg_zero, func(neg_zero)); |
| |
| EXPECT_FP_EQ(inf, func(inf)); |
| EXPECT_FP_EQ(neg_inf, func(neg_inf)); |
| |
| EXPECT_FP_EQ(aNaN, func(aNaN)); |
| } |
| |
| void testRoundedNumbers(RoundFunc func) { |
| EXPECT_FP_EQ(T(1.0), func(T(1.0))); |
| EXPECT_FP_EQ(T(-1.0), func(T(-1.0))); |
| EXPECT_FP_EQ(T(10.0), func(T(10.0))); |
| EXPECT_FP_EQ(T(-10.0), func(T(-10.0))); |
| EXPECT_FP_EQ(T(1234.0), func(T(1234.0))); |
| EXPECT_FP_EQ(T(-1234.0), func(T(-1234.0))); |
| } |
| |
| void testFractions(RoundFunc func) { |
| EXPECT_FP_EQ(T(1.0), func(T(0.5))); |
| EXPECT_FP_EQ(T(-1.0), func(T(-0.5))); |
| EXPECT_FP_EQ(T(0.0), func(T(0.115))); |
| EXPECT_FP_EQ(T(-0.0), func(T(-0.115))); |
| EXPECT_FP_EQ(T(1.0), func(T(0.715))); |
| EXPECT_FP_EQ(T(-1.0), func(T(-0.715))); |
| EXPECT_FP_EQ(T(1.0), func(T(1.3))); |
| EXPECT_FP_EQ(T(-1.0), func(T(-1.3))); |
| EXPECT_FP_EQ(T(2.0), func(T(1.5))); |
| EXPECT_FP_EQ(T(-2.0), func(T(-1.5))); |
| EXPECT_FP_EQ(T(2.0), func(T(1.75))); |
| EXPECT_FP_EQ(T(-2.0), func(T(-1.75))); |
| EXPECT_FP_EQ(T(10.0), func(T(10.32))); |
| EXPECT_FP_EQ(T(-10.0), func(T(-10.32))); |
| EXPECT_FP_EQ(T(11.0), func(T(10.65))); |
| EXPECT_FP_EQ(T(-11.0), func(T(-10.65))); |
| EXPECT_FP_EQ(T(123.0), func(T(123.38))); |
| EXPECT_FP_EQ(T(-123.0), func(T(-123.38))); |
| EXPECT_FP_EQ(T(124.0), func(T(123.96))); |
| EXPECT_FP_EQ(T(-124.0), func(T(-123.96))); |
| } |
| }; |
| |
| #define LIST_ROUND_TESTS(T, func) \ |
| using LlvmLibcRoundTest = RoundTest<T>; \ |
| TEST_F(LlvmLibcRoundTest, SpecialNumbers) { testSpecialNumbers(&func); } \ |
| TEST_F(LlvmLibcRoundTest, RoundedNubmers) { testRoundedNumbers(&func); } \ |
| TEST_F(LlvmLibcRoundTest, Fractions) { testFractions(&func); } |
| |
| #endif // LLVM_LIBC_TEST_SRC_MATH_SMOKE_ROUNDTEST_H |