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//===-- Utility class to test roundeven[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_ROUNDEVENTEST_H
#define LLVM_LIBC_TEST_SRC_MATH_SMOKE_ROUNDEVENTEST_H
#include "test/UnitTest/FPMatcher.h"
#include "test/UnitTest/Test.h"
#include "hdr/math_macros.h"
template <typename T>
class RoundEvenTest : public LIBC_NAMESPACE::testing::Test {
DECLARE_SPECIAL_CONSTANTS(T)
public:
typedef T (*RoundEvenFunc)(T);
void testSpecialNumbers(RoundEvenFunc 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(RoundEvenFunc 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(RoundEvenFunc func) {
EXPECT_FP_EQ(T(0.0), func(T(0.5)));
EXPECT_FP_EQ(T(-0.0), 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(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(10.50)));
EXPECT_FP_EQ(T(-10.0), func(T(-10.50)));
EXPECT_FP_EQ(T(11.0), func(T(10.65)));
EXPECT_FP_EQ(T(-11.0), func(T(-10.65)));
EXPECT_FP_EQ(T(1234.0), func(T(1234.50)));
EXPECT_FP_EQ(T(-1234.0), func(T(-1234.50)));
EXPECT_FP_EQ(T(1236.0), func(T(1235.50)));
EXPECT_FP_EQ(T(-1236.0), func(T(-1235.50)));
}
};
#define LIST_ROUNDEVEN_TESTS(T, func) \
using LlvmLibcRoundEvenTest = RoundEvenTest<T>; \
TEST_F(LlvmLibcRoundEvenTest, SpecialNumbers) { testSpecialNumbers(&func); } \
TEST_F(LlvmLibcRoundEvenTest, RoundedNubmers) { testRoundedNumbers(&func); } \
TEST_F(LlvmLibcRoundEvenTest, Fractions) { testFractions(&func); }
#endif // LLVM_LIBC_TEST_SRC_MATH_SMOKE_ROUNDEVENTEST_H
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