public void AutoSimplify_RationalNumberExpression()
{
// A
Signal a =
StdBuilder.Add(
StdBuilder.Divide(IntegerValue.Constant(2), IntegerValue.Constant(3)),
RationalValue.Constant(3, 4));
Assert.AreEqual("2/3+3/4", _f.Format(a, FormattingOptions.Compact), "A1");
Signal aS = Std.AutoSimplify(a);
Assert.AreEqual("17/12", _f.Format(aS, FormattingOptions.Compact), "A2");
// B
Signal b =
StdBuilder.Power(
StdBuilder.Divide(IntegerValue.Constant(4), IntegerValue.Constant(2)),
IntegerValue.Constant(3));
Assert.AreEqual("(4/2)^3", _f.Format(b, FormattingOptions.Compact), "B1");
Signal bS = Std.AutoSimplify(b);
Assert.AreEqual("8", _f.Format(bS, FormattingOptions.Compact), "B2");
// C
Signal c =
StdBuilder.Divide(
IntegerValue.ConstantOne,
StdBuilder.Subtract(
RationalValue.Constant(2, 4),
RationalValue.ConstantHalf));
Assert.AreEqual("1/(1/2-1/2)", _f.Format(c, FormattingOptions.Compact), "C1");
Signal cS = Std.AutoSimplify(c);
Assert.AreEqual("Std.Undefined", _f.Format(cS, FormattingOptions.Compact), "C2");
// D
Signal d =
StdBuilder.Power(
StdBuilder.Power(
IntegerValue.Constant(5),
IntegerValue.Constant(2)),
StdBuilder.Power(
IntegerValue.Constant(3),
IntegerValue.Constant(1)));
Assert.AreEqual("(5^2)^(3^1)", _f.Format(d, FormattingOptions.Compact), "D1");
Signal dS = Std.AutoSimplify(d);
Assert.AreEqual("15625", _f.Format(dS, FormattingOptions.Compact), "D2");
}
public static void RegisterTheorems(ILibrary library)
{
Analysis.DerivativeTransformation.Provider.Add(
new Analysis.DerivativeTransformation(_entityId,
delegate(Port port, SignalSet manipulatedInputs, Signal variable, bool hasManipulatedInputs)
{
return(new SignalSet(Std.Subtract(manipulatedInputs)));
}));
Algebra.AutoSimplifyTransformation.Provider.Add(
new Algebra.AutoSimplifyTransformation(_entityId,
delegate(Port port)
{
// TODO
return(ManipulationPlan.DoAlter);
},
delegate(Port port, SignalSet manipulatedInputs, bool hasManipulatedInputs)
{
if (SimplifySummandsForceAddition(manipulatedInputs) || hasManipulatedInputs)
{
if (manipulatedInputs.Count == 0)
{
return(new SignalSet(IntegerValue.ConstantAdditiveIdentity));
}
if (manipulatedInputs.Count == 1)
{
return(manipulatedInputs);
}
return(new SignalSet(StdBuilder.Subtract(manipulatedInputs)));
}
else
{
return(port.OutputSignals);
}
}));
}
