Examples with Theory com.sri.ai.grinder.sgdpllt.api.Theory used on opensource projects

Example 26 with Theory

use of com.sri.ai.grinder.sgdpllt.api.Theory in project aic-expresso by aic-sri-international.

the class BoundTest method testBoundProduct.

@Test
public void testBoundProduct() {
    Theory theory = new CompoundTheory(new EqualityTheory(false, true), new DifferenceArithmeticTheory(false, false), new LinearRealArithmeticTheory(false, false), new TupleTheory(), new PropositionalTheory());
    Context context = new TrueContext(theory);
    context = context.extendWithSymbolsAndTypes("X", "Boolean");
    context = context.extendWithSymbolsAndTypes("Y", "Boolean");
    //Set of numbers
    Expression one = DefaultSymbol.createSymbol(1);
    Expression two = DefaultSymbol.createSymbol(2);
    Expression three = DefaultSymbol.createSymbol(3);
    Expression setOFNumbers = ExtensionalSets.makeUniSet(one, two, three);
    //Set of functions
    Expression phi1 = parse("if X = true then 1 else if Y = true then 2 else 3");
    Expression phi2 = parse("if X = true then if Y = true then 4 else 5 else 6");
    Expression phi3 = parse("if X = true then 7 else if Y = true then 8 else 9");
    Expression phi4 = parse("if X = true then 10 else if Y = true then 11 else 12");
    Expression setOfFactors = ExtensionalSets.makeUniSet(phi1, phi2, phi3, phi4);
    assertEquals(parse("{ if X then 1 else if Y then 4 else 9," + " if X then 2 else if Y then 8 else 18," + " if X then 3 else if Y then 12 else 27," + " if X then if Y then 4 else 5 else if Y then 12 else 18, " + "if X then if Y then 8 else 10 else if Y then 24 else 36," + " if X then if Y then 12 else 15 else if Y then 36 else 54," + " if X then 7 else if Y then 16 else 27," + " if X then 14 else if Y then 32 else 54, " + "if X then 21 else if Y then 48 else 81, " + "if X then 10 else if Y then 22 else 36, " + "if X then 20 else if Y then 44 else 72, " + "if X then 30 else if Y then 66 else 108," + " if X then if Y then 4 else 5 else if Y then 12 else 18, " + "if X then if Y then 8 else 10 else if Y then 24 else 36, " + "if X then if Y then 12 else 15 else if Y then 36 else 54, " + "if X then if Y then 16 else 25 else 36, " + "if X then if Y then 32 else 50 else 72, " + "if X then if Y then 48 else 75 else 108, " + "if X then if Y then 28 else 35 else if Y then 48 else 54, " + "if X then if Y then 56 else 70 else if Y then 96 else 108, " + "if X then if Y then 84 else 105 else if Y then 144 else 162, " + "if X then if Y then 40 else 50 else if Y then 66 else 72, " + "if X then if Y then 80 else 100 else if Y then 132 else 144, " + "if X then if Y then 120 else 150 else if Y then 198 else 216, " + "if X then 7 else if Y then 16 else 27, " + "if X then 14 else if Y then 32 else 54, " + "if X then 21 else if Y then 48 else 81, " + "if X then if Y then 28 else 35 else if Y then 48 else 54, " + "if X then if Y then 56 else 70 else if Y then 96 else 108, " + "if X then if Y then 84 else 105 else if Y then 144 else 162, " + "if X then 49 else if Y then 64 else 81, " + "if X then 98 else if Y then 128 else 162, " + "if X then 147 else if Y then 192 else 243, " + "if X then 70 else if Y then 88 else 108, " + "if X then 140 else if Y then 176 else 216, " + "if X then 210 else if Y then 264 else 324, " + "if X then 10 else if Y then 22 else 36, " + "if X then 20 else if Y then 44 else 72, " + "if X then 30 else if Y then 66 else 108, " + "if X then if Y then 40 else 50 else if Y then 66 else 72, " + "if X then if Y then 80 else 100 else if Y then 132 else 144, " + "if X then if Y then 120 else 150 else if Y then 198 else 216, " + "if X then 70 else if Y then 88 else 108, " + "if X then 140 else if Y then 176 else 216," + " if X then 210 else if Y then 264 else 324, " + "if X then 100 else if Y then 121 else 144, " + "if X then 200 else if Y then 242 else 288, " + "if X then 300 else if Y then 363 else 432 }"), Bounds.boundProduct(theory, context, setOfFactors, setOfFactors, setOFNumbers));
}

Example 27 with Theory

use of com.sri.ai.grinder.sgdpllt.api.Theory in project aic-expresso by aic-sri-international.

the class BoundTest method testApplyFunctionToBound.

@Test
public void testApplyFunctionToBound() {
    Theory theory = new CompoundTheory(new EqualityTheory(false, true), new DifferenceArithmeticTheory(false, false), new LinearRealArithmeticTheory(false, false), new TupleTheory(), new PropositionalTheory());
    Context context = new TrueContext(theory);
    context = context.extendWithSymbolsAndTypes("X", "Boolean");
    context = context.extendWithSymbolsAndTypes("Y", "Boolean");
    //Set of numbers
    Expression one = DefaultSymbol.createSymbol(1);
    Expression two = DefaultSymbol.createSymbol(2);
    Expression three = DefaultSymbol.createSymbol(3);
    Expression setOFNumbers = ExtensionalSets.makeUniSet(one, two, three);
    //Set of functions
    Expression phi1 = parse("if X = true then 1 else if Y = true then 2 else 3");
    Expression phi2 = parse("if X = true then if Y = true then 4 else 5 else 6");
    Expression phi3 = parse("if X = true then 7 else if Y = true then 8 else 9");
    Expression phi4 = parse("if X = true then 10 else if Y = true then 11 else 12");
    Expression setOfFactors = ExtensionalSets.makeUniSet(phi1, phi2, phi3, phi4);
    Expression phi = DefaultSymbol.createSymbol("phi");
    Expression f = parse("13*phi");
    println("f: " + f);
    assertEquals(parse("{ 13, 26, 39 }"), Bounds.applyFunctionToBound(f, phi, setOFNumbers, theory, context));
    assertEquals(parse("{ if X then 13 else if Y then 26 else 39, " + "if X then if Y then 52 else 65 else 78, " + "if X then 91 else if Y then 104 else 117, " + "if X then 130 else if Y then 143 else 156 }"), Bounds.applyFunctionToBound(f, phi, setOfFactors, theory, context));
    println("f(setfac): " + Bounds.applyFunctionToBound(f, phi, setOfFactors, theory, context));
}

Example 28 with Theory

use of com.sri.ai.grinder.sgdpllt.api.Theory in project aic-expresso by aic-sri-international.

the class FactorComponent method calculate.

public Expression calculate() {
    Theory theory = this.model.theory;
    Context context = this.model.context;
    Expression childrenMessage = parse("1");
    for (VariableComponent children : this.children) {
        childrenMessage = apply(TIMES, childrenMessage, children.calculate());
    }
    childrenMessage = apply(TIMES, childrenMessage, this.phi);
    for (Expression cutset : this.cutsetInsideSubModel) {
        String str = "sum({{ (on " + cutset + " in Boolean ) " + childrenMessage + " }})";
        childrenMessage = parse(str);
        childrenMessage = theory.evaluate(childrenMessage, context);
    }
    Set<Expression> toSum = model.getNeighbors(phi);
    for (Expression e : this.parent) {
        toSum.remove(e);
    }
    toSum.removeAll(this.cutsetOutsideSubModel);
    toSum.removeAll(this.cutsetInsideSubModel);
    for (Expression variableToSum : toSum) {
        childrenMessage = theory.evaluate(childrenMessage, context);
        String str = "sum({{ (on " + variableToSum + " in " + this.model.getValues(variableToSum) + " ) " + childrenMessage + " }})";
        childrenMessage = parse(str);
    }
    return theory.evaluate(childrenMessage, context);
}

Example 29 with Theory

use of com.sri.ai.grinder.sgdpllt.api.Theory in project aic-expresso by aic-sri-international.

the class VariableComponent method calculate.

public Expression calculate() {
    Theory theory = this.model.theory;
    Context context = this.model.context;
    Expression childrenMessage = parse("1");
    for (FactorComponent children : this.children) {
        childrenMessage = apply(TIMES, childrenMessage, children.calculate());
        childrenMessage = theory.evaluate(childrenMessage, context);
    }
    for (Expression cutsetVariable : this.cutsetInsideSubModel) {
        childrenMessage = theory.evaluate(childrenMessage, context);
        String str = "sum({{ (on " + cutsetVariable + " in " + this.model.getValues(cutsetVariable) + " ) " + childrenMessage + " }})";
        childrenMessage = parse(str);
    }
    return theory.evaluate(childrenMessage, context);
}