/// <inheritdoc/>
public override Expression Reduce()
{
Contract.Ensures(Contract.Result <Expression>() != null);
// TODO: use some square root utility method that does not take the square root of a square
return(ReductionExpressionGenerator.Generate("SquareRoot", InnerExpression)
?? new SquareRootExpression(InnerExpression, ReductionExpressionGenerator));
}
/// <inheritdoc/>
public override Expression Reduce()
{
Contract.Ensures(Contract.Result <Expression>() != null);
var method = typeof(decimal) == Type
? MathFloorDecimalMethod
: MathFloorDoubleMethod;
return(ReductionExpressionGenerator.BuildConversionCall(method, UnaryParameter, Type));
}
/// <inheritdoc/>
public override Expression Reduce()
{
Contract.Ensures(Contract.Result <Expression>() != null);
return(ReductionExpressionGenerator.BuildConversionCall(
MathLogMethod,
Type,
LeftParameter,
RightParameter));
}
private Expression GenerateExpression(Expression left, Expression right)
{
Contract.Requires(left != null);
Contract.Requires(right != null);
Contract.Requires(left.IsMemoryLocationOrConstant());
Contract.Requires(right.IsMemoryLocationOrConstant());
Contract.Ensures(Contract.Result <Expression>() != null);
return(Condition(
ReductionExpressionGenerator.GenerateOrThrow("GREATEREQUAL", left, right),
left,
right
));
}
/// <inheritdoc/>
public override Expression Reduce()
{
Contract.Ensures(Contract.Result <Expression>() != null);
// TODO: should there be an optimization option?
var squareExpression = UnaryParameter as SquareExpression;
if (squareExpression != null)
{
return(squareExpression.UnaryParameter);
}
return(ReductionExpressionGenerator.BuildConversionCall(MathSqrtMethod, UnaryParameter, Type));
}
/// <inheritdoc/>
public override Expression Reduce()
{
Contract.Ensures(Contract.Result <Expression>() != null);
var gen = ReductionExpressionGenerator;
var halfCount = Components.Length / 2;
var deltas = new Expression[halfCount];
for (int i = 0; i < halfCount; i++)
{
Contract.Assume(halfCount + i < Components.Length);
deltas[i] = ReductionExpressionGenerator.GenerateOrThrow(
"SUBTRACT",
Components[i],
Components[halfCount + i]);
}
return(gen.Generate("SQUAREDMAGNITUDE", deltas)
?? new SquaredMagnitudeExpression(deltas, gen));
}
/// <inheritdoc/>
public override Expression Reduce()
{
Contract.Ensures(Contract.Result <Expression>() != null);
var method = typeof(Math).GetPublicStaticInvokableMethod("Abs", Type);
if (null != method)
{
return(ReductionExpressionGenerator.BuildConversionCall(method, UnaryParameter, Type));
}
if (UnaryParameter.IsMemoryLocationOrConstant())
{
return(GenerateExpression(UnaryParameter));
}
return(new BlockExpressionBuilder()
.AddUsingMemoryLocationOrConstant(
local => new[] { GenerateExpression(local) }, UnaryParameter)
.GetExpression());
}
/// <inheritdoc/>
public override Expression Reduce()
{
Contract.Ensures(Contract.Result <Expression>() != null);
var squareRootExpression = UnaryParameter as SquareRootExpression;
if (squareRootExpression != null)
{
return(squareRootExpression.UnaryParameter);
}
if (UnaryParameter.IsMemoryLocationOrConstant())
{
return(ReductionExpressionGenerator.GenerateOrThrow("MULTIPLY", UnaryParameter, UnaryParameter));
}
return(new BlockExpressionBuilder().AddUsingMemoryLocationOrConstant(
local => new[] { ReductionExpressionGenerator.GenerateOrThrow("MULTIPLY", local, local) },
UnaryParameter
).GetExpression());
}
/// <inheritdoc/>
public override Expression Reduce()
{
Contract.Ensures(Contract.Result <Expression>() != null);
return(ReductionExpressionGenerator.BuildConversionCall(MathSinMethod, UnaryParameter, Type));
}