1 //===-- Unittests for fmul ------------------------------------------------===//
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-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 #include "MulTest.h"
10
11 #include "src/math/fmul.h"
12
13 #include "test/UnitTest/Test.h"
14 #include "utils/MPFRWrapper/MPFRUtils.h"
15
LIST_MUL_TESTS(float,double,LIBC_NAMESPACE::fmul)16 LIST_MUL_TESTS(float, double, LIBC_NAMESPACE::fmul)
17
18 TEST_F(LlvmLibcMulTest, SpecialInputs) {
19 namespace mpfr = LIBC_NAMESPACE::testing::mpfr;
20 double INPUTS[][2] = {
21 {0x1.0100010002p8, 0x1.fffcp14},
22 {0x1.000000b92144p-7, 0x1.62p7},
23 };
24
25 for (size_t i = 0; i < 2; ++i) {
26 double a = INPUTS[i][0];
27
28 for (int j = 0; j < 180; ++j) {
29 a *= 0.5;
30 mpfr::BinaryInput<double> input{a, INPUTS[i][1]};
31 ASSERT_MPFR_MATCH_ALL_ROUNDING(mpfr::Operation::Mul, input,
32 LIBC_NAMESPACE::fmul(a, INPUTS[i][1]),
33 0.5);
34 }
35 }
36 }
37