| 1 | //===-- Unittests for atan2f128 -------------------------------------------===// |
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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/math/atan2f128.h" |
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| 10 | #include "test/UnitTest/FPMatcher.h" |
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| 11 | #include "test/UnitTest/Test.h" |
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| 12 | |
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| 13 | using LlvmLibcAtan2f128Test = LIBC_NAMESPACE::testing::FPTest<float128>; |
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| 14 | |
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| 15 | TEST_F(LlvmLibcAtan2f128Test, SpecialNumbers) { |
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| 16 | EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::atan2f128(aNaN, zero)); |
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| 17 | EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::atan2f128(1.0, aNaN)); |
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| 18 | EXPECT_FP_EQ_ALL_ROUNDING(zero, LIBC_NAMESPACE::atan2f128(zero, zero)); |
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| 19 | EXPECT_FP_EQ_ALL_ROUNDING(neg_zero, |
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| 20 | LIBC_NAMESPACE::atan2f128(neg_zero, zero)); |
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| 21 | EXPECT_FP_EQ_ALL_ROUNDING(zero, LIBC_NAMESPACE::atan2f128(1.0, inf)); |
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| 22 | EXPECT_FP_EQ_ALL_ROUNDING(neg_zero, LIBC_NAMESPACE::atan2f128(-1.0, inf)); |
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| 23 | |
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| 24 | float128 x = 0x1.ffffffffffffffffffffffffffe7p1q; |
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| 25 | float128 y = 0x1.fffffffffffffffffffffffffff2p1q; |
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| 26 | float128 r = 0x1.921fb54442d18469898cc51701b3p-1q; |
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| 27 | EXPECT_FP_EQ(r, LIBC_NAMESPACE::atan2f128(x, y)); |
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| 28 | } |
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| 29 | |
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