| 1 | //===-- Utility class to test sqrt[f|l] -------------------------*- 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 "src/__support/CPP/bit.h" |
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| 10 | #include "test/UnitTest/FEnvSafeTest.h" |
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| 11 | #include "test/UnitTest/FPMatcher.h" |
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| 12 | #include "test/UnitTest/Test.h" |
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| 13 | |
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| 14 | #include "hdr/math_macros.h" |
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| 15 | |
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| 16 | template <typename T> |
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| 17 | class SqrtTest : public LIBC_NAMESPACE::testing::FEnvSafeTest { |
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| 18 | |
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| 19 | DECLARE_SPECIAL_CONSTANTS(T) |
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| 20 | |
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| 21 | static constexpr StorageType HIDDEN_BIT = |
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| 22 | StorageType(1) << LIBC_NAMESPACE::fputil::FPBits<T>::FRACTION_LEN; |
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| 23 | |
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| 24 | public: |
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| 25 | typedef T (*SqrtFunc)(T); |
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| 26 | |
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| 27 | void test_special_numbers(SqrtFunc func) { |
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| 28 | ASSERT_FP_EQ(aNaN, func(aNaN)); |
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| 29 | ASSERT_FP_EQ(inf, func(inf)); |
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| 30 | ASSERT_FP_EQ(aNaN, func(neg_inf)); |
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| 31 | ASSERT_FP_EQ(0.0, func(0.0)); |
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| 32 | ASSERT_FP_EQ(-0.0, func(-0.0)); |
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| 33 | ASSERT_FP_EQ(aNaN, func(T(-1.0))); |
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| 34 | ASSERT_FP_EQ(T(1.0), func(T(1.0))); |
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| 35 | ASSERT_FP_EQ(T(2.0), func(T(4.0))); |
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| 36 | ASSERT_FP_EQ(T(3.0), func(T(9.0))); |
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| 37 | } |
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| 38 | }; |
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| 39 | |
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| 40 | #define LIST_SQRT_TESTS(T, func) \ |
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| 41 | using LlvmLibcSqrtTest = SqrtTest<T>; \ |
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| 42 | TEST_F(LlvmLibcSqrtTest, SpecialNumbers) { test_special_numbers(&func); } |
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| 43 | |
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