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

Example 66 with Context

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

the class LinearRealArithmeticTheoryTest method testMeasureEquivalentInterval.

@Test
public void testMeasureEquivalentInterval() {
    TheoryTestingSupport theoryTestingSupport = TheoryTestingSupport.make(makeRandom(), new LinearRealArithmeticTheory(true, true));
    Context context = theoryTestingSupport.makeContextWithTestingInformation();
    Expression variable;
    String constraintString;
    Expression expected;
    variable = parse("X");
    constraintString = "true";
    expected = parse("[0;4]");
    runMeasureEquivalentIntervalTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X < 3";
    expected = parse("[0;3[");
    runMeasureEquivalentIntervalTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X > 3 and X <= 3";
    expected = parse("{}");
    runMeasureEquivalentIntervalTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X > 3.1 and X <= 3.4";
    expected = parse("]3.1; 3.4]");
    runMeasureEquivalentIntervalTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X > 3 and X < 4";
    expected = parse("]3; 4[");
    runMeasureEquivalentIntervalTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X > 3.1 and X <= 3.4 and X != 3.2";
    expected = parse("]3.1; 3.4]");
    runMeasureEquivalentIntervalTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X != 3.2";
    expected = parse("]3.1; 3.4]");
    runMeasureEquivalentIntervalTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X != 3.2 and X = 3.2";
    expected = parse("{}");
    runMeasureEquivalentIntervalTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X = 3.2";
    expected = parse("{ 3.2 }");
    runMeasureEquivalentIntervalTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X != 7";
    expected = parse("]3.1; 3.4]");
    runMeasureEquivalentIntervalTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X != 7 and X = 7";
    expected = parse("{}");
    runMeasureEquivalentIntervalTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X = 7";
    expected = parse("{}");
    runMeasureEquivalentIntervalTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X != 7 and X = 8";
    expected = parse("{}");
    runMeasureEquivalentIntervalTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X != 7 and X = 7 and X = 8";
    expected = parse("{}");
    runMeasureEquivalentIntervalTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X = 7 and X = 8";
    expected = parse("{}");
    runMeasureEquivalentIntervalTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X < Y";
    expected = parse("if Y > 0 then [0;Y[ else {}");
    runMeasureEquivalentIntervalTest(variable, constraintString, expected, context);
    // keep these tests together
    variable = parse("X");
    constraintString = "X < Y + 1";
    // see previous test for situation in which condition is always true
    expected = parse("if Y > 3 then [0;4] else [0 ; Y + 1[");
    runMeasureEquivalentIntervalTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X > 3 and X <= 3";
    expected = parse("{}");
    runMeasureEquivalentIntervalTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X > 3.1 and X <= 3.4";
    expected = parse("]3.1; 3.4]");
    runMeasureEquivalentIntervalTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X > 3.1 and X <= 3.4 and X != 3.2";
    expected = parse("]3.1; 3.4]");
    runMeasureEquivalentIntervalTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X != 3.2";
    expected = parse("]3.1; 3.4]");
    runMeasureEquivalentIntervalTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X != 3.2 and X = 3.2";
    expected = parse("{}");
    runMeasureEquivalentIntervalTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X = 3.2";
    expected = parse("{ 3.2 }");
    runMeasureEquivalentIntervalTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X = 3.6";
    expected = parse("{}");
    runMeasureEquivalentIntervalTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X != 7";
    expected = parse("]3.1; 3.4]");
    runMeasureEquivalentIntervalTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X != 7 and X = 7";
    expected = parse("{}");
    runMeasureEquivalentIntervalTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X = 7";
    expected = parse("{}");
    runMeasureEquivalentIntervalTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X != 7 and X = 8";
    expected = parse("{}");
    runMeasureEquivalentIntervalTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X != 7 and X = 7 and X = 8";
    expected = parse("{}");
    runMeasureEquivalentIntervalTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X = 7 and X = 8";
    expected = parse("{}");
    runMeasureEquivalentIntervalTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > Z and X >= Y";
    expected = parse("if Z < Y then if Y <= 3.4 then [Y;3.4] else {} else if Z < 3.4 then ]Z;3.4] else {}");
    runMeasureEquivalentIntervalTest(variable, constraintString, expected, context);
}

Example 67 with Context

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

the class LinearRealArithmeticTheoryTest method testSummation.

@Test
public void testSummation() {
    TheoryTestingSupport theoryTestingSupport = TheoryTestingSupport.make(makeRandom(), new LinearRealArithmeticTheory(true, true));
    Context context = theoryTestingSupport.makeContextWithTestingInformation();
    Simplifier simplifier = (e, c) -> theoryTestingSupport.getTheory().simplify(e, c);
    Expression variable;
    String constraintString;
    String bodyString;
    Expression expected;
    variable = parse("X");
    constraintString = "true";
    bodyString = "1";
    expected = parse("4");
    runSummationTest(variable, constraintString, bodyString, expected, simplifier, context);
    variable = parse("X");
    constraintString = "X < 3 and X != 2";
    bodyString = "1";
    expected = parse("3");
    runSummationTest(variable, constraintString, bodyString, expected, simplifier, context);
    variable = parse("X");
    constraintString = "X < Y and X != 2";
    bodyString = "1";
    expected = parse("if Y > 0 then Y else 0");
    runSummationTest(variable, constraintString, bodyString, expected, simplifier, context);
    variable = parse("X");
    constraintString = "X < 3 and X != 2";
    bodyString = "Y";
    expected = parse("3*Y");
    runSummationTest(variable, constraintString, bodyString, expected, simplifier, context);
    variable = parse("X");
    constraintString = "X < 3 and X != 2";
    bodyString = "X";
    expected = parse("4.5");
    runSummationTest(variable, constraintString, bodyString, expected, simplifier, context);
    variable = parse("X");
    constraintString = "X < 3 and X != 2 and X = 2";
    bodyString = "Y";
    expected = parse("0");
    runSummationTest(variable, constraintString, bodyString, expected, simplifier, context);
    variable = parse("X");
    constraintString = "X < Y and X != 2";
    bodyString = "X";
    expected = parse("if Y > 0 then 0.5*Y^2 else 0");
    runSummationTest(variable, constraintString, bodyString, expected, simplifier, context);
    variable = parse("X");
    constraintString = "X < Y and X != 2";
    bodyString = "Y";
    expected = parse("if Y > 0 then Y^2 else 0");
    runSummationTest(variable, constraintString, bodyString, expected, simplifier, context);
    variable = parse("X");
    constraintString = "X < Y and X != 2";
    bodyString = "X + Y";
    expected = parse("if Y > 0 then 1.5*Y^2 else 0");
    runSummationTest(variable, constraintString, bodyString, expected, simplifier, context);
// variable = parse("X");
// constraintString = "X < Y and X != 2";
// bodyString = "X^2 + Y";
// expected = parse("if Y > 0 then 0.333333333*Y^3 + Y^2 else 0");
// runSummationTest(variable, constraintString, bodyString, expected, simplifier, context);
}

Example 68 with Context

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

the class LinearRealArithmeticTheoryTest method testSatisfiability.

@Test
public void testSatisfiability() {
    TheoryTestingSupport theoryTestingSupport = TheoryTestingSupport.make(makeRandom(), new LinearRealArithmeticTheory(true, true));
    Context context = theoryTestingSupport.makeContextWithTestingInformation();
    Expression variable;
    String constraintString;
    Expression expected;
    variable = parse("X");
    constraintString = "true";
    expected = parse("true");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X < 3";
    expected = parse("true");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X > 3 and X <= 3";
    expected = parse("false");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X > 3.1 and X <= 3.4";
    expected = parse("true");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X > 3 and X < 4";
    expected = parse("true");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X > 3.1 and X <= 3.4 and X != 3.2";
    expected = parse("true");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X != 3.2";
    expected = parse("true");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X != 3.2 and X = 3.2";
    expected = parse("false");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X = 3.2";
    expected = parse("true");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X != 7";
    expected = parse("true");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X != 7 and X = 7";
    expected = parse("false");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X = 7";
    expected = parse("false");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X != 7 and X = 8";
    expected = parse("false");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X != 7 and X = 7 and X = 8";
    expected = parse("false");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X = 7 and X = 8";
    expected = parse("false");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X < Y";
    expected = parse("Y > 0");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    // keep these tests together
    variable = parse("X");
    constraintString = "X < Y + 1";
    expected = parse("true");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X < Y - 4";
    expected = parse("false");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X < 2 - Y";
    expected = parse("Y < 2");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X > Y";
    expected = parse("Y < 4");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    // keep these tests together
    variable = parse("X");
    constraintString = "X > Y + 1";
    expected = parse("Y < 3");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X >= Y + 4";
    expected = parse("Y <= 0");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X >= Y + 2";
    expected = parse("Y <= 2");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X >= Y";
    expected = parse("true");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    // keep these tests together
    variable = parse("X");
    constraintString = "X >= Y + 1";
    expected = parse("Y <= 3");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X > 3 and X <= 3";
    expected = parse("false");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X > 3.1 and X <= 3.4";
    expected = parse("true");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X > 3.1 and X <= 3.4 and X != 3.2";
    expected = parse("true");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X != 3.2";
    expected = parse("true");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X != 3.2 and X = 3.2";
    expected = parse("false");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X = 3.2";
    expected = parse("true");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X = 3.6";
    expected = parse("false");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X != 7";
    expected = parse("true");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X != 7 and X = 7";
    expected = parse("false");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X = 7";
    expected = parse("false");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X != 7 and X = 8";
    expected = parse("false");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X != 7 and X = 7 and X = 8";
    expected = parse("false");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > 3.1 and X = 7 and X = 8";
    expected = parse("false");
    runSatisfiabilityTest(variable, constraintString, expected, context);
    variable = parse("X");
    constraintString = "X <= 3.4 and X > Z and X >= Y";
    expected = parse("if Z < Y then Y <= 3.4 else Z < 3.4");
    runSatisfiabilityTest(variable, constraintString, expected, context);
}

Example 69 with Context

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

the class InversionPerformanceEvaluationTest method computeSize.

private Rational computeSize(Expression functionOnIntensionalSet, Rational resultSoFar, Context context) {
    IntensionalSet intensionalSet = (IntensionalSet) functionOnIntensionalSet.get(0);
    IndexExpressionsSet indexExpressionsSet = intensionalSet.getIndexExpressions();
    List<Expression> indices = IndexExpressions.getIndices(indexExpressionsSet);
    if (indices.size() != 1) {
        throw new UnsupportedOperationException("Currently only support singular indices");
    }
    Expression index = indices.get(0);
    Context intensionalSetContext = context.extendWith(indexExpressionsSet);
    Type type = GrinderUtil.getTypeOfExpression(index, intensionalSetContext);
    Rational result = resultSoFar.multiply(type.cardinality().rationalValue());
    Expression head = intensionalSet.getHead();
    if (Expressions.isFunctionApplicationWithArguments(head) && Sets.isIntensionalSet(head.get(0))) {
        result = computeSize(head, result, intensionalSetContext);
    }
    return result;
}

Example 70 with Context

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

the class ModelGenerator method MaxMinProbability.

public static Pair<Double, Double> MaxMinProbability(Bound b, Model m) {
    Context context = m.getContext();
    Theory theory = m.getTheory();
    Expression query = m.getQuery().getValue();
    Type type = context.getTypeOfRegisteredSymbol(query);
    if (type.getName().equals("Boolean")) {
        double maxProbabilityOfTrue = -1;
        double minProbabilityOfTrue = 10;
        if (b.isExtensionalBound()) {
            DefaultExtensionalBound extensionalBound = (DefaultExtensionalBound) b;
            List<Expression> listOfElements = extensionalBound.getArguments();
            for (Expression distribution : listOfElements) {
                // replace and evaluate
                Expression replacingQueryByTrue = distribution.replaceAllOccurrences(query, parse("true"), context);
                Expression evaluating = theory.evaluate(replacingQueryByTrue, context);
                // convert to double
                double value = evaluating.doubleValue();
                // update max and min
                if (value > maxProbabilityOfTrue) {
                    maxProbabilityOfTrue = value;
                }
                if (value < minProbabilityOfTrue) {
                    minProbabilityOfTrue = value;
                }
            }
            Pair<Double, Double> result = new Pair<>(minProbabilityOfTrue, maxProbabilityOfTrue);
            return result;
        } else if (b.isIntensionalBound()) {
        }
    }
    return null;
}