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1//===-- Utility class to test fixed-point abs -------------------*- 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-exception6//7//===----------------------------------------------------------------------===//8 9#include "test/UnitTest/Test.h"10 11#include "src/__support/fixed_point/fx_rep.h"12 13template <typename T> class AbsTest : public LIBC_NAMESPACE::testing::Test {14 15 using FXRep = LIBC_NAMESPACE::fixed_point::FXRep<T>;16 static constexpr T zero = FXRep::ZERO();17 static constexpr T min = FXRep::MIN();18 static constexpr T max = FXRep::MAX();19 static constexpr T half = static_cast<T>(0.5);20 static constexpr T neg_half = static_cast<T>(-0.5);21 22public:23 typedef T (*AbsFunc)(T);24 25 void testSpecialNumbers(AbsFunc func) {26 EXPECT_EQ(zero, func(zero));27 EXPECT_EQ(max, func(min));28 EXPECT_EQ(max, func(max));29 EXPECT_EQ(half, func(half));30 EXPECT_EQ(half, func(neg_half));31 }32};33 34#define LIST_ABS_TESTS(T, func) \35 using LlvmLibcAbsTest = AbsTest<T>; \36 TEST_F(LlvmLibcAbsTest, SpecialNumbers) { testSpecialNumbers(&func); } \37 static_assert(true, "Require semicolon.")38