1 //===-- Unittests for acoshf ----------------------------------------------===// 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/errno/libc_errno.h" 12 #include "src/math/acoshf.h" 13 #include "test/UnitTest/FPMatcher.h" 14 #include "test/UnitTest/Test.h" 15 16 #include <stdint.h> 17 18 using LlvmLibcAcoshfTest = LIBC_NAMESPACE::testing::FPTest<float>; 19 20 TEST_F(LlvmLibcAcoshfTest, SpecialNumbers) { 21 LIBC_NAMESPACE::libc_errno = 0; 22 23 EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::acoshf(aNaN)); 24 EXPECT_MATH_ERRNO(0); 25 26 EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::acoshf(0.0f)); 27 EXPECT_MATH_ERRNO(EDOM); 28 29 EXPECT_FP_EQ_ALL_ROUNDING(0.0f, LIBC_NAMESPACE::acoshf(1.0f)); 30 EXPECT_MATH_ERRNO(0); 31 32 EXPECT_FP_EQ_ALL_ROUNDING(inf, LIBC_NAMESPACE::acoshf(inf)); 33 EXPECT_MATH_ERRNO(0); 34 35 EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::acoshf(neg_inf)); 36 EXPECT_MATH_ERRNO(EDOM); 37 } 38 39 #ifdef LIBC_TEST_FTZ_DAZ 40 41 using namespace LIBC_NAMESPACE::testing; 42 43 TEST_F(LlvmLibcAcoshfTest, FTZMode) { 44 ModifyMXCSR mxcsr(FTZ); 45 46 EXPECT_FP_IS_NAN(LIBC_NAMESPACE::acoshf(min_denormal)); 47 } 48 49 TEST_F(LlvmLibcAcoshfTest, DAZMode) { 50 ModifyMXCSR mxcsr(DAZ); 51 52 EXPECT_FP_IS_NAN(LIBC_NAMESPACE::acoshf(min_denormal)); 53 } 54 55 TEST_F(LlvmLibcAcoshfTest, FTZDAZMode) { 56 ModifyMXCSR mxcsr(FTZ | DAZ); 57 58 EXPECT_FP_IS_NAN(LIBC_NAMESPACE::acoshf(min_denormal)); 59 } 60 61 #endif 62