| 1 | //===-- Unittests for fmul ------------------------------------------------===// |
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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 "MulTest.h" |
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| 10 | |
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| 11 | #include "src/math/fmul.h" |
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| 12 | |
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| 13 | #include "test/UnitTest/Test.h" |
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| 14 | #include "utils/MPFRWrapper/MPFRUtils.h" |
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| 15 | |
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| 16 | LIST_MUL_TESTS(float, double, LIBC_NAMESPACE::fmul) |
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| 17 | |
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| 18 | TEST_F(LlvmLibcMulTest, SpecialInputs) { |
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| 19 | namespace mpfr = LIBC_NAMESPACE::testing::mpfr; |
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| 20 | double INPUTS[][2] = { |
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| 21 | {0x1.0100010002p8, 0x1.fffcp14}, |
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| 22 | {0x1.000000b92144p-7, 0x1.62p7}, |
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| 23 | }; |
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| 24 | |
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| 25 | for (size_t i = 0; i < 2; ++i) { |
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| 26 | double a = INPUTS[i][0]; |
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| 27 | |
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| 28 | for (int j = 0; j < 180; ++j) { |
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| 29 | a *= 0.5; |
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| 30 | mpfr::BinaryInput<double> input{a, INPUTS[i][1]}; |
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| 31 | ASSERT_MPFR_MATCH_ALL_ROUNDING(mpfr::Operation::Mul, input, |
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| 32 | LIBC_NAMESPACE::fmul(a, INPUTS[i][1]), |
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| 33 | 0.5); |
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| 34 | } |
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| 35 | } |
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| 36 | } |
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| 37 | |
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