41 lines · cpp
1//===-- Exhaustive test for atanpif16 -------------------------------------===//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 "src/math/atanpif16.h"10#include "test/UnitTest/FPMatcher.h"11#include "test/UnitTest/Test.h"12#include "utils/MPFRWrapper/MPFRUtils.h"13 14using LlvmLibcAtanpif16Test = LIBC_NAMESPACE::testing::FPTest<float16>;15 16namespace mpfr = LIBC_NAMESPACE::testing::mpfr;17 18// Range: [0, Inf]19static constexpr uint16_t POS_START = 0x0000U;20static constexpr uint16_t POS_STOP = 0x7c00U;21 22// Range: [-Inf, 0]23static constexpr uint16_t NEG_START = 0x8000U;24static constexpr uint16_t NEG_STOP = 0xfc00U;25 26TEST_F(LlvmLibcAtanpif16Test, PositiveRange) {27 for (uint16_t v = POS_START; v <= POS_STOP; ++v) {28 float16 x = FPBits(v).get_val();29 EXPECT_MPFR_MATCH_ALL_ROUNDING(mpfr::Operation::Atanpi, x,30 LIBC_NAMESPACE::atanpif16(x), 0.5);31 }32}33 34TEST_F(LlvmLibcAtanpif16Test, NegativeRange) {35 for (uint16_t v = NEG_START; v <= NEG_STOP; ++v) {36 float16 x = FPBits(v).get_val();37 EXPECT_MPFR_MATCH_ALL_ROUNDING(mpfr::Operation::Atanpi, x,38 LIBC_NAMESPACE::atanpif16(x), 0.5);39 }40}41