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41 lines
1.2 KiB
C++
41 lines
1.2 KiB
C++
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/* This file is part of the dynarmic project.
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* Copyright (c) 2018 MerryMage
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* SPDX-License-Identifier: 0BSD
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*/
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#include <tuple>
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#include <vector>
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#include <catch.hpp>
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#include "common/common_types.h"
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#include "common/fp/fpcr.h"
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#include "common/fp/fpsr.h"
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#include "common/fp/op.h"
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#include "common/fp/rounding_mode.h"
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#include "rand_int.h"
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using namespace Dynarmic;
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using namespace Dynarmic::FP;
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TEST_CASE("FPToFixed", "[fp]") {
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const std::vector<std::tuple<u32, size_t, u64, u32>> test_cases {
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{0x447A0000, 64, 0x000003E8, 0x00},
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{0xC47A0000, 32, 0xFFFFFC18, 0x00},
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{0x4479E000, 64, 0x000003E8, 0x10},
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{0x50800000, 32, 0x7FFFFFFF, 0x01},
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{0xD0800000, 32, 0x80000000, 0x01},
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{0xCF000000, 32, 0x80000000, 0x00},
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{0x80002B94, 64, 0x00000000, 0x10},
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{0x80636D24, 64, 0x00000000, 0x10},
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};
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const FPCR fpcr;
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for (auto [input, ibits, expected_output, expected_fpsr] : test_cases) {
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FPSR fpsr;
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const u64 output = FPToFixed<u32>(ibits, input, 0, false, fpcr, RoundingMode::ToNearest_TieEven, fpsr);
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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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