83 lines · cpp
1//===-- Unittests for exp10f ----------------------------------------------===//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-exception6//7//===----------------------------------------------------------------------===//8 9#include "hdr/errno_macros.h"10#include "hdr/math_macros.h"11#include "hdr/stdint_proxy.h"12#include "src/__support/FPUtil/FPBits.h"13#include "src/math/exp10f.h"14#include "test/UnitTest/FPMatcher.h"15#include "test/UnitTest/Test.h"16 17using LlvmLibcExp10fTest = LIBC_NAMESPACE::testing::FPTest<float>;18 19TEST_F(LlvmLibcExp10fTest, SpecialNumbers) {20 EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, LIBC_NAMESPACE::exp10f(sNaN), FE_INVALID);21 EXPECT_MATH_ERRNO(0);22 23 EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::exp10f(aNaN));24 EXPECT_MATH_ERRNO(0);25 26 EXPECT_FP_EQ_ALL_ROUNDING(inf, LIBC_NAMESPACE::exp10f(inf));27 EXPECT_MATH_ERRNO(0);28 29 EXPECT_FP_EQ_ALL_ROUNDING(0.0f, LIBC_NAMESPACE::exp10f(neg_inf));30 EXPECT_MATH_ERRNO(0);31 32 EXPECT_FP_EQ_ALL_ROUNDING(1.0f, LIBC_NAMESPACE::exp10f(0.0f));33 EXPECT_MATH_ERRNO(0);34 35 EXPECT_FP_EQ_ALL_ROUNDING(1.0f, LIBC_NAMESPACE::exp10f(-0.0f));36 EXPECT_MATH_ERRNO(0);37 38 EXPECT_FP_EQ_ALL_ROUNDING(10.0f, LIBC_NAMESPACE::exp10f(1.0f));39 EXPECT_FP_EQ_ALL_ROUNDING(100.0f, LIBC_NAMESPACE::exp10f(2.0f));40 EXPECT_FP_EQ_ALL_ROUNDING(1000.0f, LIBC_NAMESPACE::exp10f(3.0f));41}42 43TEST_F(LlvmLibcExp10fTest, Overflow) {44 EXPECT_FP_EQ_WITH_EXCEPTION(45 inf, LIBC_NAMESPACE::exp10f(FPBits(0x7f7fffffU).get_val()), FE_OVERFLOW);46 EXPECT_MATH_ERRNO(ERANGE);47 48 EXPECT_FP_EQ_WITH_EXCEPTION(49 inf, LIBC_NAMESPACE::exp10f(FPBits(0x43000000U).get_val()), FE_OVERFLOW);50 EXPECT_MATH_ERRNO(ERANGE);51 52 EXPECT_FP_EQ_WITH_EXCEPTION(53 inf, LIBC_NAMESPACE::exp10f(FPBits(0x43000001U).get_val()), FE_OVERFLOW);54 EXPECT_MATH_ERRNO(ERANGE);55}56 57#ifdef LIBC_TEST_FTZ_DAZ58 59using namespace LIBC_NAMESPACE::testing;60 61TEST_F(LlvmLibcExp10fTest, FTZMode) {62 ModifyMXCSR mxcsr(FTZ);63 64 EXPECT_FP_EQ(1.0f, LIBC_NAMESPACE::exp10f(min_denormal));65 EXPECT_FP_EQ(1.0f, LIBC_NAMESPACE::exp10f(max_denormal));66}67 68TEST_F(LlvmLibcExp10fTest, DAZMode) {69 ModifyMXCSR mxcsr(DAZ);70 71 EXPECT_FP_EQ(1.0f, LIBC_NAMESPACE::exp10f(min_denormal));72 EXPECT_FP_EQ(1.0f, LIBC_NAMESPACE::exp10f(max_denormal));73}74 75TEST_F(LlvmLibcExp10fTest, FTZDAZMode) {76 ModifyMXCSR mxcsr(FTZ | DAZ);77 78 EXPECT_FP_EQ(1.0f, LIBC_NAMESPACE::exp10f(min_denormal));79 EXPECT_FP_EQ(1.0f, LIBC_NAMESPACE::exp10f(max_denormal));80}81 82#endif83