35 lines
1.4 KiB
C++
35 lines
1.4 KiB
C++
/* This file is part of the dynarmic project.
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* Copyright (c) 2018 MerryMage
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* This software may be used and distributed according to the terms of the GNU
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* General Public License version 2 or any later version.
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*/
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#include <catch.hpp>
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#include "common/fp/unpacked.h"
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using namespace Dynarmic;
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using namespace Dynarmic::FP;
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TEST_CASE("FPUnpack Tests", "[fp]") {
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const static std::vector<std::tuple<u32, std::tuple<FPType, bool, FPUnpacked<u64>>, u32>> test_cases {
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{0x00000000, {FPType::Zero, false, {false, 0, 0}}, 0},
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{0x7F800000, {FPType::Infinity, false, {false, 1000000, 1}}, 0},
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{0xFF800000, {FPType::Infinity, true, {true, 1000000, 1}}, 0},
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{0x7F800001, {FPType::SNaN, false, {false, 0, 0}}, 0},
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{0xFF800001, {FPType::SNaN, true, {true, 0, 0}}, 0},
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{0x7FC00001, {FPType::QNaN, false, {false, 0, 0}}, 0},
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{0xFFC00001, {FPType::QNaN, true, {true, 0, 0}}, 0},
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{0x00000001, {FPType::Nonzero, false, {false, -149, 1}}, 0}, // Smallest single precision denormal is 2^-149.
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};
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const FPCR fpcr;
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for (const auto& [input, expected_output, expected_fpsr] : test_cases) {
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FPSR fpsr;
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const auto output = FPUnpack<u32>(input, fpcr, fpsr);
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INFO("Input: " << std::hex << input);
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REQUIRE(output == expected_output);
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REQUIRE(fpsr.Value() == expected_fpsr);
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}
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}
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