| 1 | //===-- Utility class to test fixed-point abs -------------------*- C++ -*-===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "test/UnitTest/Test.h" |
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| 10 | |
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| 11 | #include "src/__support/fixed_point/fx_rep.h" |
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| 12 | |
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| 13 | template <typename T> class AbsTest : public LIBC_NAMESPACE::testing::Test { |
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| 14 | |
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| 15 | using FXRep = LIBC_NAMESPACE::fixed_point::FXRep<T>; |
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| 16 | static constexpr T zero = FXRep::ZERO(); |
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| 17 | static constexpr T min = FXRep::MIN(); |
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| 18 | static constexpr T max = FXRep::MAX(); |
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| 19 | static constexpr T half = static_cast<T>(0.5); |
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| 20 | static constexpr T neg_half = static_cast<T>(-0.5); |
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| 21 | |
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| 22 | public: |
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| 23 | typedef T (*AbsFunc)(T); |
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| 24 | |
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| 25 | void testSpecialNumbers(AbsFunc func) { |
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| 26 | EXPECT_EQ(zero, func(zero)); |
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| 27 | EXPECT_EQ(max, func(min)); |
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| 28 | EXPECT_EQ(max, func(max)); |
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| 29 | EXPECT_EQ(half, func(half)); |
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| 30 | EXPECT_EQ(half, func(neg_half)); |
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| 31 | } |
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| 32 | }; |
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| 33 | |
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| 34 | #define LIST_ABS_TESTS(T, func) \ |
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| 35 | using LlvmLibcAbsTest = AbsTest<T>; \ |
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| 36 | TEST_F(LlvmLibcAbsTest, SpecialNumbers) { testSpecialNumbers(&func); } \ |
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| 37 | static_assert(true, "Require semicolon.") |
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| 38 | |
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