59 lines · cpp
1//===-- Unittests for cospif16 --------------------------------------------===//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/__support/FPUtil/cast.h"11#include "src/math/cospif16.h"12#include "test/UnitTest/FPMatcher.h"13#include "test/UnitTest/Test.h"14 15using LlvmLibcCospif16Test = LIBC_NAMESPACE::testing::FPTest<float16>;16 17TEST_F(LlvmLibcCospif16Test, SpecialNumbers) {18 EXPECT_FP_IS_NAN_WITH_EXCEPTION(LIBC_NAMESPACE::cospif16(sNaN), FE_INVALID);19 EXPECT_MATH_ERRNO(0);20 21 EXPECT_FP_IS_NAN(LIBC_NAMESPACE::cospif16(aNaN));22 EXPECT_MATH_ERRNO(0);23 24 EXPECT_FP_EQ(FPBits::one().get_val(), LIBC_NAMESPACE::cospif16(zero));25 EXPECT_MATH_ERRNO(0);26 27 EXPECT_FP_EQ(FPBits::one().get_val(), LIBC_NAMESPACE::cospif16(neg_zero));28 EXPECT_MATH_ERRNO(0);29 30 EXPECT_FP_IS_NAN(LIBC_NAMESPACE::cospif16(inf));31 EXPECT_MATH_ERRNO(EDOM);32 33 EXPECT_FP_IS_NAN(LIBC_NAMESPACE::cospif16(neg_inf));34 EXPECT_MATH_ERRNO(EDOM);35}36 37TEST_F(LlvmLibcCospif16Test, Integers) {38 EXPECT_FP_EQ(FPBits::one().get_val(),39 LIBC_NAMESPACE::cospif16(40 LIBC_NAMESPACE::fputil::cast<float16>(-0x420.0p0)));41 EXPECT_FP_EQ(FPBits::one().get_val(),42 LIBC_NAMESPACE::cospif16(43 LIBC_NAMESPACE::fputil::cast<float16>(-0x1.4p+14)));44 EXPECT_FP_EQ(FPBits::one(Sign::NEG).get_val(),45 LIBC_NAMESPACE::cospif16(46 LIBC_NAMESPACE::fputil::cast<float16>(0x421.0p0)));47 EXPECT_FP_EQ(FPBits::one(Sign::NEG).get_val(),48 LIBC_NAMESPACE::cospif16(49 LIBC_NAMESPACE::fputil::cast<float16>(0x333.0p0)));50 EXPECT_FP_EQ(zero, LIBC_NAMESPACE::cospif16(51 LIBC_NAMESPACE::fputil::cast<float16>(-0x1.28p4)));52 EXPECT_FP_EQ(zero, LIBC_NAMESPACE::cospif16(53 LIBC_NAMESPACE::fputil::cast<float16>(-0x1.ffcp9)));54 EXPECT_FP_EQ(zero, LIBC_NAMESPACE::cospif16(55 LIBC_NAMESPACE::fputil::cast<float16>(0x1.01p7)));56 EXPECT_FP_EQ(zero, LIBC_NAMESPACE::cospif16(57 LIBC_NAMESPACE::fputil::cast<float16>(0x1.f6cp9)));58}59