1*69d3a44eSOverMighty //===-- Exhaustive test for log10f16 --------------------------------------===// 2*69d3a44eSOverMighty // 3*69d3a44eSOverMighty // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*69d3a44eSOverMighty // See https://llvm.org/LICENSE.txt for license information. 5*69d3a44eSOverMighty // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*69d3a44eSOverMighty // 7*69d3a44eSOverMighty //===----------------------------------------------------------------------===// 8*69d3a44eSOverMighty 9*69d3a44eSOverMighty #include "src/math/log10f16.h" 10*69d3a44eSOverMighty #include "test/UnitTest/FPMatcher.h" 11*69d3a44eSOverMighty #include "test/UnitTest/Test.h" 12*69d3a44eSOverMighty #include "utils/MPFRWrapper/MPFRUtils.h" 13*69d3a44eSOverMighty 14*69d3a44eSOverMighty using LlvmLibcLog10f16Test = LIBC_NAMESPACE::testing::FPTest<float16>; 15*69d3a44eSOverMighty 16*69d3a44eSOverMighty namespace mpfr = LIBC_NAMESPACE::testing::mpfr; 17*69d3a44eSOverMighty 18*69d3a44eSOverMighty // Range: [0, Inf]; 19*69d3a44eSOverMighty static constexpr uint16_t POS_START = 0x0000U; 20*69d3a44eSOverMighty static constexpr uint16_t POS_STOP = 0x7c00U; 21*69d3a44eSOverMighty 22*69d3a44eSOverMighty // Range: [-Inf, 0]; 23*69d3a44eSOverMighty static constexpr uint16_t NEG_START = 0x8000U; 24*69d3a44eSOverMighty static constexpr uint16_t NEG_STOP = 0xfc00U; 25*69d3a44eSOverMighty 26*69d3a44eSOverMighty TEST_F(LlvmLibcLog10f16Test, PositiveRange) { 27*69d3a44eSOverMighty for (uint16_t v = POS_START; v <= POS_STOP; ++v) { 28*69d3a44eSOverMighty float16 x = FPBits(v).get_val(); 29*69d3a44eSOverMighty EXPECT_MPFR_MATCH_ALL_ROUNDING(mpfr::Operation::Log10, x, 30*69d3a44eSOverMighty LIBC_NAMESPACE::log10f16(x), 0.5); 31*69d3a44eSOverMighty } 32*69d3a44eSOverMighty } 33*69d3a44eSOverMighty 34*69d3a44eSOverMighty TEST_F(LlvmLibcLog10f16Test, NegativeRange) { 35*69d3a44eSOverMighty for (uint16_t v = NEG_START; v <= NEG_STOP; ++v) { 36*69d3a44eSOverMighty float16 x = FPBits(v).get_val(); 37*69d3a44eSOverMighty EXPECT_MPFR_MATCH_ALL_ROUNDING(mpfr::Operation::Log10, x, 38*69d3a44eSOverMighty LIBC_NAMESPACE::log10f16(x), 0.5); 39*69d3a44eSOverMighty } 40*69d3a44eSOverMighty } 41