mirror of
https://github.com/GreemDev/Ryujinx
synced 2024-12-24 21:06:44 +01:00
16869402bf
* Update OpCodeTable.cs * Update InstName.cs * Update InstEmitSimdMove.cs * Update SoftFallback.cs * Update DelegateTypes.cs * Update CpuTestSimdTbl.cs * Update CpuTest.cs * Update Ryujinx.Tests.csproj * Nit.
535 lines
21 KiB
C#
535 lines
21 KiB
C#
using ARMeilleure.Memory;
|
|
using ARMeilleure.State;
|
|
using ARMeilleure.Translation;
|
|
|
|
using NUnit.Framework;
|
|
|
|
using Ryujinx.Tests.Unicorn;
|
|
|
|
using System;
|
|
using System.Runtime.InteropServices;
|
|
|
|
namespace Ryujinx.Tests.Cpu
|
|
{
|
|
[TestFixture]
|
|
public class CpuTest
|
|
{
|
|
private ulong _currAddress;
|
|
private long _size;
|
|
|
|
private ulong _entryPoint;
|
|
|
|
private IntPtr _ramPointer;
|
|
|
|
private MemoryManager _memory;
|
|
|
|
private ExecutionContext _context;
|
|
|
|
private Translator _translator;
|
|
|
|
private static bool _unicornAvailable;
|
|
private UnicornAArch64 _unicornEmu;
|
|
|
|
static CpuTest()
|
|
{
|
|
_unicornAvailable = UnicornAArch64.IsAvailable();
|
|
|
|
if (!_unicornAvailable)
|
|
{
|
|
Console.WriteLine("WARNING: Could not find Unicorn.");
|
|
}
|
|
}
|
|
|
|
[SetUp]
|
|
public void Setup()
|
|
{
|
|
_currAddress = 0x1000;
|
|
_size = 0x1000;
|
|
|
|
_entryPoint = _currAddress;
|
|
|
|
_ramPointer = Marshal.AllocHGlobal(new IntPtr(_size));
|
|
_memory = new MemoryManager(_ramPointer);
|
|
_memory.Map((long)_currAddress, 0, _size);
|
|
|
|
_context = new ExecutionContext();
|
|
|
|
_translator = new Translator(_memory);
|
|
|
|
if (_unicornAvailable)
|
|
{
|
|
_unicornEmu = new UnicornAArch64();
|
|
_unicornEmu.MemoryMap(_currAddress, (ulong)_size, MemoryPermission.READ | MemoryPermission.EXEC);
|
|
_unicornEmu.PC = _entryPoint;
|
|
}
|
|
}
|
|
|
|
[TearDown]
|
|
public void Teardown()
|
|
{
|
|
Marshal.FreeHGlobal(_ramPointer);
|
|
_memory = null;
|
|
_context = null;
|
|
_translator = null;
|
|
_unicornEmu = null;
|
|
}
|
|
|
|
protected void Reset()
|
|
{
|
|
Teardown();
|
|
Setup();
|
|
}
|
|
|
|
protected void Opcode(uint opcode)
|
|
{
|
|
_memory.WriteUInt32((long)_currAddress, opcode);
|
|
|
|
if (_unicornAvailable)
|
|
{
|
|
_unicornEmu.MemoryWrite32((ulong)_currAddress, opcode);
|
|
}
|
|
|
|
_currAddress += 4;
|
|
}
|
|
|
|
protected ExecutionContext GetContext() => _context;
|
|
|
|
protected void SetContext(ulong x0 = 0,
|
|
ulong x1 = 0,
|
|
ulong x2 = 0,
|
|
ulong x3 = 0,
|
|
ulong x31 = 0,
|
|
V128 v0 = default,
|
|
V128 v1 = default,
|
|
V128 v2 = default,
|
|
V128 v3 = default,
|
|
V128 v4 = default,
|
|
V128 v5 = default,
|
|
V128 v30 = default,
|
|
V128 v31 = default,
|
|
bool overflow = false,
|
|
bool carry = false,
|
|
bool zero = false,
|
|
bool negative = false,
|
|
int fpcr = 0,
|
|
int fpsr = 0)
|
|
{
|
|
_context.SetX(0, x0);
|
|
_context.SetX(1, x1);
|
|
_context.SetX(2, x2);
|
|
_context.SetX(3, x3);
|
|
|
|
_context.SetX(31, x31);
|
|
|
|
_context.SetV(0, v0);
|
|
_context.SetV(1, v1);
|
|
_context.SetV(2, v2);
|
|
_context.SetV(3, v3);
|
|
_context.SetV(4, v4);
|
|
_context.SetV(5, v5);
|
|
_context.SetV(30, v30);
|
|
_context.SetV(31, v31);
|
|
|
|
_context.SetPstateFlag(PState.VFlag, overflow);
|
|
_context.SetPstateFlag(PState.CFlag, carry);
|
|
_context.SetPstateFlag(PState.ZFlag, zero);
|
|
_context.SetPstateFlag(PState.NFlag, negative);
|
|
|
|
_context.Fpcr = (FPCR)fpcr;
|
|
_context.Fpsr = (FPSR)fpsr;
|
|
|
|
if (_unicornAvailable)
|
|
{
|
|
_unicornEmu.X[0] = x0;
|
|
_unicornEmu.X[1] = x1;
|
|
_unicornEmu.X[2] = x2;
|
|
_unicornEmu.X[3] = x3;
|
|
|
|
_unicornEmu.SP = x31;
|
|
|
|
_unicornEmu.Q[0] = V128ToSimdValue(v0);
|
|
_unicornEmu.Q[1] = V128ToSimdValue(v1);
|
|
_unicornEmu.Q[2] = V128ToSimdValue(v2);
|
|
_unicornEmu.Q[3] = V128ToSimdValue(v3);
|
|
_unicornEmu.Q[4] = V128ToSimdValue(v4);
|
|
_unicornEmu.Q[5] = V128ToSimdValue(v5);
|
|
_unicornEmu.Q[30] = V128ToSimdValue(v30);
|
|
_unicornEmu.Q[31] = V128ToSimdValue(v31);
|
|
|
|
_unicornEmu.OverflowFlag = overflow;
|
|
_unicornEmu.CarryFlag = carry;
|
|
_unicornEmu.ZeroFlag = zero;
|
|
_unicornEmu.NegativeFlag = negative;
|
|
|
|
_unicornEmu.Fpcr = fpcr;
|
|
_unicornEmu.Fpsr = fpsr;
|
|
}
|
|
}
|
|
|
|
protected void ExecuteOpcodes()
|
|
{
|
|
_translator.Execute(_context, _entryPoint);
|
|
|
|
if (_unicornAvailable)
|
|
{
|
|
_unicornEmu.RunForCount((ulong)(_currAddress - _entryPoint - 4) / 4);
|
|
}
|
|
}
|
|
|
|
protected ExecutionContext SingleOpcode(uint opcode,
|
|
ulong x0 = 0,
|
|
ulong x1 = 0,
|
|
ulong x2 = 0,
|
|
ulong x3 = 0,
|
|
ulong x31 = 0,
|
|
V128 v0 = default,
|
|
V128 v1 = default,
|
|
V128 v2 = default,
|
|
V128 v3 = default,
|
|
V128 v4 = default,
|
|
V128 v5 = default,
|
|
V128 v30 = default,
|
|
V128 v31 = default,
|
|
bool overflow = false,
|
|
bool carry = false,
|
|
bool zero = false,
|
|
bool negative = false,
|
|
int fpcr = 0,
|
|
int fpsr = 0)
|
|
{
|
|
Opcode(opcode);
|
|
Opcode(0xD65F03C0); // RET
|
|
SetContext(x0, x1, x2, x3, x31, v0, v1, v2, v3, v4, v5, v30, v31, overflow, carry, zero, negative, fpcr, fpsr);
|
|
ExecuteOpcodes();
|
|
|
|
return GetContext();
|
|
}
|
|
|
|
/// <summary>Rounding Mode control field.</summary>
|
|
public enum RMode
|
|
{
|
|
/// <summary>Round to Nearest mode.</summary>
|
|
Rn,
|
|
/// <summary>Round towards Plus Infinity mode.</summary>
|
|
Rp,
|
|
/// <summary>Round towards Minus Infinity mode.</summary>
|
|
Rm,
|
|
/// <summary>Round towards Zero mode.</summary>
|
|
Rz
|
|
};
|
|
|
|
/// <summary>Floating-point Control Register.</summary>
|
|
protected enum Fpcr
|
|
{
|
|
/// <summary>Rounding Mode control field.</summary>
|
|
RMode = 22,
|
|
/// <summary>Flush-to-zero mode control bit.</summary>
|
|
Fz = 24,
|
|
/// <summary>Default NaN mode control bit.</summary>
|
|
Dn = 25,
|
|
/// <summary>Alternative half-precision control bit.</summary>
|
|
Ahp = 26
|
|
}
|
|
|
|
/// <summary>Floating-point Status Register.</summary>
|
|
[Flags] protected enum Fpsr
|
|
{
|
|
None = 0,
|
|
|
|
/// <summary>Invalid Operation cumulative floating-point exception bit.</summary>
|
|
Ioc = 1 << 0,
|
|
/// <summary>Divide by Zero cumulative floating-point exception bit.</summary>
|
|
Dzc = 1 << 1,
|
|
/// <summary>Overflow cumulative floating-point exception bit.</summary>
|
|
Ofc = 1 << 2,
|
|
/// <summary>Underflow cumulative floating-point exception bit.</summary>
|
|
Ufc = 1 << 3,
|
|
/// <summary>Inexact cumulative floating-point exception bit.</summary>
|
|
Ixc = 1 << 4,
|
|
/// <summary>Input Denormal cumulative floating-point exception bit.</summary>
|
|
Idc = 1 << 7,
|
|
|
|
/// <summary>Cumulative saturation bit.</summary>
|
|
Qc = 1 << 27
|
|
}
|
|
|
|
[Flags] protected enum FpSkips
|
|
{
|
|
None = 0,
|
|
|
|
IfNaNS = 1,
|
|
IfNaND = 2,
|
|
|
|
IfUnderflow = 4,
|
|
IfOverflow = 8
|
|
}
|
|
|
|
protected enum FpTolerances
|
|
{
|
|
None,
|
|
|
|
UpToOneUlpsS,
|
|
UpToOneUlpsD
|
|
}
|
|
|
|
protected void CompareAgainstUnicorn(
|
|
Fpsr fpsrMask = Fpsr.None,
|
|
FpSkips fpSkips = FpSkips.None,
|
|
FpTolerances fpTolerances = FpTolerances.None)
|
|
{
|
|
if (!_unicornAvailable)
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (fpSkips != FpSkips.None)
|
|
{
|
|
ManageFpSkips(fpSkips);
|
|
}
|
|
|
|
Assert.That(_context.GetX(0), Is.EqualTo(_unicornEmu.X[0]));
|
|
Assert.That(_context.GetX(1), Is.EqualTo(_unicornEmu.X[1]));
|
|
Assert.That(_context.GetX(2), Is.EqualTo(_unicornEmu.X[2]));
|
|
Assert.That(_context.GetX(3), Is.EqualTo(_unicornEmu.X[3]));
|
|
Assert.That(_context.GetX(4), Is.EqualTo(_unicornEmu.X[4]));
|
|
Assert.That(_context.GetX(5), Is.EqualTo(_unicornEmu.X[5]));
|
|
Assert.That(_context.GetX(6), Is.EqualTo(_unicornEmu.X[6]));
|
|
Assert.That(_context.GetX(7), Is.EqualTo(_unicornEmu.X[7]));
|
|
Assert.That(_context.GetX(8), Is.EqualTo(_unicornEmu.X[8]));
|
|
Assert.That(_context.GetX(9), Is.EqualTo(_unicornEmu.X[9]));
|
|
Assert.That(_context.GetX(10), Is.EqualTo(_unicornEmu.X[10]));
|
|
Assert.That(_context.GetX(11), Is.EqualTo(_unicornEmu.X[11]));
|
|
Assert.That(_context.GetX(12), Is.EqualTo(_unicornEmu.X[12]));
|
|
Assert.That(_context.GetX(13), Is.EqualTo(_unicornEmu.X[13]));
|
|
Assert.That(_context.GetX(14), Is.EqualTo(_unicornEmu.X[14]));
|
|
Assert.That(_context.GetX(15), Is.EqualTo(_unicornEmu.X[15]));
|
|
Assert.That(_context.GetX(16), Is.EqualTo(_unicornEmu.X[16]));
|
|
Assert.That(_context.GetX(17), Is.EqualTo(_unicornEmu.X[17]));
|
|
Assert.That(_context.GetX(18), Is.EqualTo(_unicornEmu.X[18]));
|
|
Assert.That(_context.GetX(19), Is.EqualTo(_unicornEmu.X[19]));
|
|
Assert.That(_context.GetX(20), Is.EqualTo(_unicornEmu.X[20]));
|
|
Assert.That(_context.GetX(21), Is.EqualTo(_unicornEmu.X[21]));
|
|
Assert.That(_context.GetX(22), Is.EqualTo(_unicornEmu.X[22]));
|
|
Assert.That(_context.GetX(23), Is.EqualTo(_unicornEmu.X[23]));
|
|
Assert.That(_context.GetX(24), Is.EqualTo(_unicornEmu.X[24]));
|
|
Assert.That(_context.GetX(25), Is.EqualTo(_unicornEmu.X[25]));
|
|
Assert.That(_context.GetX(26), Is.EqualTo(_unicornEmu.X[26]));
|
|
Assert.That(_context.GetX(27), Is.EqualTo(_unicornEmu.X[27]));
|
|
Assert.That(_context.GetX(28), Is.EqualTo(_unicornEmu.X[28]));
|
|
Assert.That(_context.GetX(29), Is.EqualTo(_unicornEmu.X[29]));
|
|
Assert.That(_context.GetX(30), Is.EqualTo(_unicornEmu.X[30]));
|
|
|
|
Assert.That(_context.GetX(31), Is.EqualTo(_unicornEmu.SP));
|
|
|
|
if (fpTolerances == FpTolerances.None)
|
|
{
|
|
Assert.That(V128ToSimdValue(_context.GetV(0)), Is.EqualTo(_unicornEmu.Q[0]));
|
|
}
|
|
else
|
|
{
|
|
ManageFpTolerances(fpTolerances);
|
|
}
|
|
Assert.That(V128ToSimdValue(_context.GetV(1)), Is.EqualTo(_unicornEmu.Q[1]));
|
|
Assert.That(V128ToSimdValue(_context.GetV(2)), Is.EqualTo(_unicornEmu.Q[2]));
|
|
Assert.That(V128ToSimdValue(_context.GetV(3)), Is.EqualTo(_unicornEmu.Q[3]));
|
|
Assert.That(V128ToSimdValue(_context.GetV(4)), Is.EqualTo(_unicornEmu.Q[4]));
|
|
Assert.That(V128ToSimdValue(_context.GetV(5)), Is.EqualTo(_unicornEmu.Q[5]));
|
|
Assert.That(V128ToSimdValue(_context.GetV(6)), Is.EqualTo(_unicornEmu.Q[6]));
|
|
Assert.That(V128ToSimdValue(_context.GetV(7)), Is.EqualTo(_unicornEmu.Q[7]));
|
|
Assert.That(V128ToSimdValue(_context.GetV(8)), Is.EqualTo(_unicornEmu.Q[8]));
|
|
Assert.That(V128ToSimdValue(_context.GetV(9)), Is.EqualTo(_unicornEmu.Q[9]));
|
|
Assert.That(V128ToSimdValue(_context.GetV(10)), Is.EqualTo(_unicornEmu.Q[10]));
|
|
Assert.That(V128ToSimdValue(_context.GetV(11)), Is.EqualTo(_unicornEmu.Q[11]));
|
|
Assert.That(V128ToSimdValue(_context.GetV(12)), Is.EqualTo(_unicornEmu.Q[12]));
|
|
Assert.That(V128ToSimdValue(_context.GetV(13)), Is.EqualTo(_unicornEmu.Q[13]));
|
|
Assert.That(V128ToSimdValue(_context.GetV(14)), Is.EqualTo(_unicornEmu.Q[14]));
|
|
Assert.That(V128ToSimdValue(_context.GetV(15)), Is.EqualTo(_unicornEmu.Q[15]));
|
|
Assert.That(V128ToSimdValue(_context.GetV(16)), Is.EqualTo(_unicornEmu.Q[16]));
|
|
Assert.That(V128ToSimdValue(_context.GetV(17)), Is.EqualTo(_unicornEmu.Q[17]));
|
|
Assert.That(V128ToSimdValue(_context.GetV(18)), Is.EqualTo(_unicornEmu.Q[18]));
|
|
Assert.That(V128ToSimdValue(_context.GetV(19)), Is.EqualTo(_unicornEmu.Q[19]));
|
|
Assert.That(V128ToSimdValue(_context.GetV(20)), Is.EqualTo(_unicornEmu.Q[20]));
|
|
Assert.That(V128ToSimdValue(_context.GetV(21)), Is.EqualTo(_unicornEmu.Q[21]));
|
|
Assert.That(V128ToSimdValue(_context.GetV(22)), Is.EqualTo(_unicornEmu.Q[22]));
|
|
Assert.That(V128ToSimdValue(_context.GetV(23)), Is.EqualTo(_unicornEmu.Q[23]));
|
|
Assert.That(V128ToSimdValue(_context.GetV(24)), Is.EqualTo(_unicornEmu.Q[24]));
|
|
Assert.That(V128ToSimdValue(_context.GetV(25)), Is.EqualTo(_unicornEmu.Q[25]));
|
|
Assert.That(V128ToSimdValue(_context.GetV(26)), Is.EqualTo(_unicornEmu.Q[26]));
|
|
Assert.That(V128ToSimdValue(_context.GetV(27)), Is.EqualTo(_unicornEmu.Q[27]));
|
|
Assert.That(V128ToSimdValue(_context.GetV(28)), Is.EqualTo(_unicornEmu.Q[28]));
|
|
Assert.That(V128ToSimdValue(_context.GetV(29)), Is.EqualTo(_unicornEmu.Q[29]));
|
|
Assert.That(V128ToSimdValue(_context.GetV(30)), Is.EqualTo(_unicornEmu.Q[30]));
|
|
Assert.That(V128ToSimdValue(_context.GetV(31)), Is.EqualTo(_unicornEmu.Q[31]));
|
|
|
|
Assert.That((int)_context.Fpcr, Is.EqualTo(_unicornEmu.Fpcr));
|
|
Assert.That((int)_context.Fpsr & (int)fpsrMask, Is.EqualTo(_unicornEmu.Fpsr & (int)fpsrMask));
|
|
|
|
Assert.That(_context.GetPstateFlag(PState.VFlag), Is.EqualTo(_unicornEmu.OverflowFlag));
|
|
Assert.That(_context.GetPstateFlag(PState.CFlag), Is.EqualTo(_unicornEmu.CarryFlag));
|
|
Assert.That(_context.GetPstateFlag(PState.ZFlag), Is.EqualTo(_unicornEmu.ZeroFlag));
|
|
Assert.That(_context.GetPstateFlag(PState.NFlag), Is.EqualTo(_unicornEmu.NegativeFlag));
|
|
}
|
|
|
|
private void ManageFpSkips(FpSkips fpSkips)
|
|
{
|
|
if (fpSkips.HasFlag(FpSkips.IfNaNS))
|
|
{
|
|
if (float.IsNaN(_unicornEmu.Q[0].AsFloat()))
|
|
{
|
|
Assert.Ignore("NaN test.");
|
|
}
|
|
}
|
|
else if (fpSkips.HasFlag(FpSkips.IfNaND))
|
|
{
|
|
if (double.IsNaN(_unicornEmu.Q[0].AsDouble()))
|
|
{
|
|
Assert.Ignore("NaN test.");
|
|
}
|
|
}
|
|
|
|
if (fpSkips.HasFlag(FpSkips.IfUnderflow))
|
|
{
|
|
if ((_unicornEmu.Fpsr & (int)Fpsr.Ufc) != 0)
|
|
{
|
|
Assert.Ignore("Underflow test.");
|
|
}
|
|
}
|
|
|
|
if (fpSkips.HasFlag(FpSkips.IfOverflow))
|
|
{
|
|
if ((_unicornEmu.Fpsr & (int)Fpsr.Ofc) != 0)
|
|
{
|
|
Assert.Ignore("Overflow test.");
|
|
}
|
|
}
|
|
}
|
|
|
|
private void ManageFpTolerances(FpTolerances fpTolerances)
|
|
{
|
|
bool IsNormalOrSubnormalS(float f) => float.IsNormal(f) || float.IsSubnormal(f);
|
|
bool IsNormalOrSubnormalD(double d) => double.IsNormal(d) || double.IsSubnormal(d);
|
|
|
|
if (!Is.EqualTo(_unicornEmu.Q[0]).ApplyTo(V128ToSimdValue(_context.GetV(0))).IsSuccess)
|
|
{
|
|
if (fpTolerances == FpTolerances.UpToOneUlpsS)
|
|
{
|
|
if (IsNormalOrSubnormalS(_unicornEmu.Q[0].AsFloat()) &&
|
|
IsNormalOrSubnormalS(_context.GetV(0).AsFloat()))
|
|
{
|
|
Assert.That (_context.GetV(0).GetFloat(0),
|
|
Is.EqualTo(_unicornEmu.Q[0].GetFloat(0)).Within(1).Ulps);
|
|
Assert.That (_context.GetV(0).GetFloat(1),
|
|
Is.EqualTo(_unicornEmu.Q[0].GetFloat(1)).Within(1).Ulps);
|
|
Assert.That (_context.GetV(0).GetFloat(2),
|
|
Is.EqualTo(_unicornEmu.Q[0].GetFloat(2)).Within(1).Ulps);
|
|
Assert.That (_context.GetV(0).GetFloat(3),
|
|
Is.EqualTo(_unicornEmu.Q[0].GetFloat(3)).Within(1).Ulps);
|
|
|
|
Console.WriteLine(fpTolerances);
|
|
}
|
|
else
|
|
{
|
|
Assert.That(V128ToSimdValue(_context.GetV(0)), Is.EqualTo(_unicornEmu.Q[0]));
|
|
}
|
|
}
|
|
|
|
if (fpTolerances == FpTolerances.UpToOneUlpsD)
|
|
{
|
|
if (IsNormalOrSubnormalD(_unicornEmu.Q[0].AsDouble()) &&
|
|
IsNormalOrSubnormalD(_context.GetV(0).AsDouble()))
|
|
{
|
|
Assert.That (_context.GetV(0).GetDouble(0),
|
|
Is.EqualTo(_unicornEmu.Q[0].GetDouble(0)).Within(1).Ulps);
|
|
Assert.That (_context.GetV(0).GetDouble(1),
|
|
Is.EqualTo(_unicornEmu.Q[0].GetDouble(1)).Within(1).Ulps);
|
|
|
|
Console.WriteLine(fpTolerances);
|
|
}
|
|
else
|
|
{
|
|
Assert.That(V128ToSimdValue(_context.GetV(0)), Is.EqualTo(_unicornEmu.Q[0]));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private static SimdValue V128ToSimdValue(V128 value)
|
|
{
|
|
return new SimdValue(value.GetUInt64(0), value.GetUInt64(1));
|
|
}
|
|
|
|
protected static V128 MakeVectorScalar(float value) => new V128(value);
|
|
protected static V128 MakeVectorScalar(double value) => new V128(value);
|
|
|
|
protected static V128 MakeVectorE0(ulong e0) => new V128(e0, 0);
|
|
protected static V128 MakeVectorE1(ulong e1) => new V128(0, e1);
|
|
|
|
protected static V128 MakeVectorE0E1(ulong e0, ulong e1) => new V128(e0, e1);
|
|
|
|
protected static ulong GetVectorE0(V128 vector) => vector.GetUInt64(0);
|
|
protected static ulong GetVectorE1(V128 vector) => vector.GetUInt64(1);
|
|
|
|
protected static ushort GenNormalH()
|
|
{
|
|
uint rnd;
|
|
|
|
do rnd = TestContext.CurrentContext.Random.NextUShort();
|
|
while (( rnd & 0x7C00u) == 0u ||
|
|
(~rnd & 0x7C00u) == 0u);
|
|
|
|
return (ushort)rnd;
|
|
}
|
|
|
|
protected static ushort GenSubnormalH()
|
|
{
|
|
uint rnd;
|
|
|
|
do rnd = TestContext.CurrentContext.Random.NextUShort();
|
|
while ((rnd & 0x03FFu) == 0u);
|
|
|
|
return (ushort)(rnd & 0x83FFu);
|
|
}
|
|
|
|
protected static uint GenNormalS()
|
|
{
|
|
uint rnd;
|
|
|
|
do rnd = TestContext.CurrentContext.Random.NextUInt();
|
|
while (( rnd & 0x7F800000u) == 0u ||
|
|
(~rnd & 0x7F800000u) == 0u);
|
|
|
|
return rnd;
|
|
}
|
|
|
|
protected static uint GenSubnormalS()
|
|
{
|
|
uint rnd;
|
|
|
|
do rnd = TestContext.CurrentContext.Random.NextUInt();
|
|
while ((rnd & 0x007FFFFFu) == 0u);
|
|
|
|
return rnd & 0x807FFFFFu;
|
|
}
|
|
|
|
protected static ulong GenNormalD()
|
|
{
|
|
ulong rnd;
|
|
|
|
do rnd = TestContext.CurrentContext.Random.NextULong();
|
|
while (( rnd & 0x7FF0000000000000ul) == 0ul ||
|
|
(~rnd & 0x7FF0000000000000ul) == 0ul);
|
|
|
|
return rnd;
|
|
}
|
|
|
|
protected static ulong GenSubnormalD()
|
|
{
|
|
ulong rnd;
|
|
|
|
do rnd = TestContext.CurrentContext.Random.NextULong();
|
|
while ((rnd & 0x000FFFFFFFFFFFFFul) == 0ul);
|
|
|
|
return rnd & 0x800FFFFFFFFFFFFFul;
|
|
}
|
|
}
|
|
}
|