57 lines · cpp
1//===-- Unittests for exp10m1f --------------------------------------------===//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 "src/math/exp10m1f.h"11#include "test/UnitTest/FPMatcher.h"12#include "test/UnitTest/Test.h"13 14using LlvmLibcExp10m1fTest = LIBC_NAMESPACE::testing::FPTest<float>;15 16TEST_F(LlvmLibcExp10m1fTest, SpecialNumbers) {17 EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, LIBC_NAMESPACE::exp10m1f(sNaN), FE_INVALID);18 EXPECT_MATH_ERRNO(0);19 20 EXPECT_EQ(FPBits(aNaN).uintval(),21 FPBits(LIBC_NAMESPACE::exp10m1f(aNaN)).uintval());22 EXPECT_EQ(FPBits(neg_aNaN).uintval(),23 FPBits(LIBC_NAMESPACE::exp10m1f(neg_aNaN)).uintval());24 EXPECT_FP_EQ_ALL_ROUNDING(inf, LIBC_NAMESPACE::exp10m1f(inf));25 EXPECT_FP_EQ_ALL_ROUNDING(-1.0f, LIBC_NAMESPACE::exp10m1f(neg_inf));26 EXPECT_FP_EQ_ALL_ROUNDING(zero, LIBC_NAMESPACE::exp10m1f(zero));27 EXPECT_FP_EQ_ALL_ROUNDING(neg_zero, LIBC_NAMESPACE::exp10m1f(neg_zero));28 29 EXPECT_FP_EQ_ALL_ROUNDING(9.0f, LIBC_NAMESPACE::exp10m1f(1.0f));30 EXPECT_FP_EQ_ALL_ROUNDING(99.0f, LIBC_NAMESPACE::exp10m1f(2.0f));31 EXPECT_FP_EQ_ALL_ROUNDING(999.0f, LIBC_NAMESPACE::exp10m1f(3.0f));32}33 34TEST_F(LlvmLibcExp10m1fTest, Overflow) {35 EXPECT_FP_EQ_WITH_EXCEPTION(inf, LIBC_NAMESPACE::exp10m1f(0x1.fffffep+127f),36 FE_OVERFLOW);37 EXPECT_MATH_ERRNO(ERANGE);38 39 EXPECT_FP_EQ_WITH_EXCEPTION(inf, LIBC_NAMESPACE::exp10m1f(0x1.344136p+5),40 FE_OVERFLOW);41 EXPECT_MATH_ERRNO(ERANGE);42 43 EXPECT_FP_EQ_WITH_EXCEPTION(inf, LIBC_NAMESPACE::exp10m1f(0x1.344138p+5),44 FE_OVERFLOW);45 EXPECT_MATH_ERRNO(ERANGE);46}47 48TEST_F(LlvmLibcExp10m1fTest, Underflow) {49 EXPECT_FP_EQ_WITH_EXCEPTION(-1.0f, LIBC_NAMESPACE::exp10m1f(-max_normal),50 FE_UNDERFLOW);51 EXPECT_MATH_ERRNO(ERANGE);52 53 EXPECT_FP_EQ_WITH_EXCEPTION(-1.0f, LIBC_NAMESPACE::exp10m1f(-0x1.e1a5e4p+2f),54 FE_UNDERFLOW);55 EXPECT_MATH_ERRNO(ERANGE);56}57