1 //===-- Unittests for logf-----------------------------------------------===//
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 "hdr/math_macros.h"
10 #include "src/__support/FPUtil/FPBits.h"
11 #include "src/math/logf.h"
12 #include "test/UnitTest/FPMatcher.h"
13 #include "test/UnitTest/Test.h"
14
15 #include <stdint.h>
16
17 using LlvmLibcLogfTest = LIBC_NAMESPACE::testing::FPTest<float>;
18
TEST_F(LlvmLibcLogfTest,SpecialNumbers)19 TEST_F(LlvmLibcLogfTest, SpecialNumbers) {
20 EXPECT_FP_EQ(aNaN, LIBC_NAMESPACE::logf(aNaN));
21 EXPECT_FP_EQ(inf, LIBC_NAMESPACE::logf(inf));
22 EXPECT_FP_IS_NAN_WITH_EXCEPTION(LIBC_NAMESPACE::logf(neg_inf), FE_INVALID);
23 EXPECT_FP_EQ_WITH_EXCEPTION(neg_inf, LIBC_NAMESPACE::logf(0.0f),
24 FE_DIVBYZERO);
25 EXPECT_FP_EQ_WITH_EXCEPTION(neg_inf, LIBC_NAMESPACE::logf(-0.0f),
26 FE_DIVBYZERO);
27 EXPECT_FP_IS_NAN_WITH_EXCEPTION(LIBC_NAMESPACE::logf(-1.0f), FE_INVALID);
28 EXPECT_FP_EQ_ALL_ROUNDING(zero, LIBC_NAMESPACE::logf(1.0f));
29 }
30