/// <inheritdoc />
public override void VisitIntervalLongintValue(LongintIntervalValue value)
{
if (isIncrement)
{
if (value.End < long.MaxValue)
{
result = OutSet.CreateLongintInterval(value.Start + 1, value.End + 1);
}
else
{
result = OutSet.CreateFloatInterval(TypeConversion.ToFloat(value.Start) + 1.0,
TypeConversion.ToFloat(value.End) + 1.0);
}
}
else
{
if (value.Start > long.MinValue)
{
result = OutSet.CreateLongintInterval(value.Start - 1, value.End - 1);
}
else
{
result = OutSet.CreateFloatInterval(TypeConversion.ToFloat(value.Start) - 1.0,
TypeConversion.ToFloat(value.End) - 1.0);
}
}
}
/// <inheritdoc />
public override void VisitIntervalFloatValue(FloatIntervalValue value)
{
if (isIncrement)
{
result = OutSet.CreateFloatInterval(value.Start + 1.0, value.End + 1.0);
}
else
{
result = OutSet.CreateFloatInterval(value.Start - 1.0, value.End - 1.0);
}
}
/// <inheritdoc />
public override void VisitIntervalLongintValue(LongintIntervalValue value)
{
if (value.Start == value.End)
{
VisitLongintValue(OutSet.CreateLong(value.Start));
return;
}
switch (operation)
{
case Operations.Minus:
// Result of arithmetic negation can overflow
if ((value.Start == 0) || ((-value.Start) != 0))
{
result = OutSet.CreateLongintInterval(-value.End, -value.Start);
}
else
{
// <seealso cref="UnaryOperationEvaluator.VisitIntegerValue" />
result = OutSet.CreateFloatInterval(-TypeConversion.ToFloat(value.End),
-TypeConversion.ToFloat(value.Start));
}
break;
case Operations.BitNegation:
result = OutSet.CreateLongintInterval(~value.End, ~value.Start);
break;
case Operations.Int32Cast:
IntervalValue <int> integerInterval;
if (TypeConversion.TryConvertToIntegerInterval(OutSet, value, out integerInterval))
{
result = integerInterval;
}
else
{
result = OutSet.AnyIntegerValue;
}
break;
case Operations.FloatCast:
case Operations.DoubleCast:
result = OutSet.CreateFloatInterval(TypeConversion.ToFloat(value.Start),
TypeConversion.ToFloat(value.End));
break;
default:
base.VisitIntervalLongintValue(value);
break;
}
}
/// <inheritdoc />
public override void VisitIntervalFloatValue(FloatIntervalValue value)
{
if (value.Start == value.End)
{
VisitFloatValue(OutSet.CreateDouble(value.Start));
return;
}
IntervalValue <int> integerInterval;
switch (operation)
{
case Operations.Minus:
result = OutSet.CreateFloatInterval(-value.End, -value.Start);
break;
case Operations.BitNegation:
if (TypeConversion.TryConvertToIntegerInterval(OutSet, value, out integerInterval))
{
result = OutSet.CreateIntegerInterval(~integerInterval.End, ~integerInterval.Start);
}
else
{
result = OutSet.AnyIntegerValue;
}
break;
case Operations.Int32Cast:
if (TypeConversion.TryConvertToIntegerInterval(OutSet, value, out integerInterval))
{
result = integerInterval;
}
else
{
result = OutSet.AnyIntegerValue;
}
break;
case Operations.FloatCast:
case Operations.DoubleCast:
result = value;
break;
default:
base.VisitIntervalFloatValue(value);
break;
}
}
