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

Example 91 with Context

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

the class UnificationStepSolverTest method advancedLinearRealArithmeticTest.

@Ignore("TODO - context implementation currently does not support these more advanced/indirect comparisons")
@Test
public void advancedLinearRealArithmeticTest() {
    TheoryTestingSupport theoryTestingSupport = TheoryTestingSupport.make(seededRandom, new LinearRealArithmeticTheory(true, true));
    // NOTE: passing explicit FunctionTypes will prevent the general variables' argument types being randomly changed.
    theoryTestingSupport.setVariableNamesAndTypesForTesting(map("X", TESTING_REAL_INTERVAL_TYPE, "Y", TESTING_REAL_INTERVAL_TYPE, "Z", TESTING_REAL_INTERVAL_TYPE, "unary_lra/1", new FunctionType(TESTING_REAL_INTERVAL_TYPE, TESTING_REAL_INTERVAL_TYPE), "binary_lra/2", new FunctionType(TESTING_REAL_INTERVAL_TYPE, TESTING_REAL_INTERVAL_TYPE, TESTING_REAL_INTERVAL_TYPE)));
    Context rootContext = theoryTestingSupport.makeContextWithTestingInformation();
    UnificationStepSolver unificationStepSolver = new UnificationStepSolver(parse("binary_lra(X, unary_lra(X))"), parse("binary_lra(unary_lra(Y), Y)"));
    Context localTestContext = rootContext.conjoinWithConjunctiveClause(parse("X = 0 and Y = 1 and unary_lra(Y) = 0 and unary_lra(X) = 1"), rootContext);
    StepSolver.Step<Boolean> step = unificationStepSolver.step(localTestContext);
    Assert.assertEquals(false, step.itDepends());
    Assert.assertEquals(true, step.getValue());
    localTestContext = rootContext.conjoinWithConjunctiveClause(parse("X = 1 and Y = 1 and unary_lra(Y) = 0 and unary_lra(X) = 1"), rootContext);
    step = unificationStepSolver.step(localTestContext);
    Assert.assertEquals(false, step.itDepends());
    Assert.assertEquals(false, step.getValue());
    localTestContext = rootContext.conjoinWithConjunctiveClause(parse("X = 0 and Y = 1 and unary_lra(1) = 0 and unary_lra(0) = 1"), rootContext);
    step = unificationStepSolver.step(localTestContext);
    Assert.assertEquals(false, step.itDepends());
    Assert.assertEquals(true, step.getValue());
}

Example 92 with Context

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

the class UnificationStepSolverTest method advancedPropositionalTest.

@Ignore("TODO - context implementation currently does not support these more advanced/indirect comparisons")
@Test
public void advancedPropositionalTest() {
    TheoryTestingSupport theoryTestingSupport = TheoryTestingSupport.make(seededRandom, new PropositionalTheory());
    // NOTE: passing explicit FunctionTypes will prevent the general variables' argument types being randomly changed.
    theoryTestingSupport.setVariableNamesAndTypesForTesting(map("P", BOOLEAN_TYPE, "Q", BOOLEAN_TYPE, "R", BOOLEAN_TYPE, "unary_prop/1", new FunctionType(BOOLEAN_TYPE, BOOLEAN_TYPE), "binary_prop/2", new FunctionType(BOOLEAN_TYPE, BOOLEAN_TYPE, BOOLEAN_TYPE)));
    Context rootContext = theoryTestingSupport.makeContextWithTestingInformation();
    UnificationStepSolver unificationStepSolver = new UnificationStepSolver(parse("binary_prop(P, unary_prop(P))"), parse("binary_prop(unary_prop(Q), Q)"));
    Context localTestContext = rootContext.conjoinWithConjunctiveClause(parse("not P and Q and not unary_prop(true) and unary_prop(false)"), rootContext);
    StepSolver.Step<Boolean> step = unificationStepSolver.step(localTestContext);
    Assert.assertEquals(false, step.itDepends());
    Assert.assertEquals(true, step.getValue());
}

Example 93 with Context

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

the class UnificationStepSolverTest method advancedDifferenceArithmeticTest.

@Ignore("TODO - context implementation currently does not support these more advanced/indirect comparisons")
@Test
public void advancedDifferenceArithmeticTest() {
    TheoryTestingSupport theoryTestingSupport = TheoryTestingSupport.make(seededRandom, new DifferenceArithmeticTheory(true, true));
    // NOTE: passing explicit FunctionTypes will prevent the general variables' argument types being randomly changed.
    theoryTestingSupport.setVariableNamesAndTypesForTesting(map("I", TESTING_INTEGER_INTERVAL_TYPE, "J", TESTING_INTEGER_INTERVAL_TYPE, "K", TESTING_INTEGER_INTERVAL_TYPE, "unary_dar/1", new FunctionType(TESTING_INTEGER_INTERVAL_TYPE, TESTING_INTEGER_INTERVAL_TYPE), "binary_dar/2", new FunctionType(TESTING_INTEGER_INTERVAL_TYPE, TESTING_INTEGER_INTERVAL_TYPE, TESTING_INTEGER_INTERVAL_TYPE)));
    Context rootContext = theoryTestingSupport.makeContextWithTestingInformation();
    UnificationStepSolver unificationStepSolver = new UnificationStepSolver(parse("binary_dar(I, unary_dar(I))"), parse("binary_dar(unary_dar(J), J)"));
    Context localTestContext = rootContext.conjoinWithConjunctiveClause(parse("I = 0 and J = 1 and unary_dar(J) = 0 and unary_dar(I) = 1"), rootContext);
    StepSolver.Step<Boolean> step = unificationStepSolver.step(localTestContext);
    Assert.assertEquals(false, step.itDepends());
    Assert.assertEquals(true, step.getValue());
    localTestContext = rootContext.conjoinWithConjunctiveClause(parse("I = 1 and J = 1 and unary_dar(J) = 0 and unary_dar(I) = 1"), rootContext);
    step = unificationStepSolver.step(localTestContext);
    Assert.assertEquals(false, step.itDepends());
    Assert.assertEquals(false, step.getValue());
    localTestContext = rootContext.conjoinWithConjunctiveClause(parse("I = 0 and J = 1 and unary_dar(1) = 0 and unary_dar(0) = 1"), rootContext);
    step = unificationStepSolver.step(localTestContext);
    Assert.assertEquals(false, step.itDepends());
    Assert.assertEquals(true, step.getValue());
}

Example 94 with Context

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

the class SwitchTest method testSimpleSwitchRewriter.

@Test
public void testSimpleSwitchRewriter() {
    RewriterFromStepMaker baseRewriterSum = (Expression e, Context c) -> {
        int argument1 = e.get(0).intValue();
        int argument2 = e.get(1).intValue();
        Symbol resultValue = DefaultSymbol.createSymbol(argument1 + argument2);
        return new Solution(resultValue);
    };
    RewriterFromStepMaker baseRewriterSubtraction = (Expression e, Context c) -> {
        int argument1 = e.get(0).intValue();
        int argument2 = e.get(1).intValue();
        Symbol resultValue = DefaultSymbol.createSymbol(argument1 - argument2);
        return new Solution(resultValue);
    };
    Switch rewriter = new Switch<String>(e -> e.getFunctor() != null ? e.getFunctor().toString() : "", map("+", baseRewriterSum, "-", baseRewriterSubtraction));
    Expression initial;
    Expression expected;
    initial = parse("7");
    expected = parse("7");
    runTest(rewriter, initial, expected, map());
    initial = parse("10 - 7");
    expected = parse("3");
    runTest(rewriter, initial, expected, map());
    initial = parse("10 + 3");
    expected = parse("13");
    runTest(rewriter, initial, expected, map());
}

Example 95 with Context

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

the class EvaluationTest method testEvaluationOfGroupOperationsOnSets.

@Test
public void testEvaluationOfGroupOperationsOnSets() {
    TheoryTestingSupport theoryTestingSupport = TheoryTestingSupport.make(makeRandom(), new CompoundTheory(new EqualityTheory(false, true), new DifferenceArithmeticTheory(false, true), new PropositionalTheory()));
    Map<String, Type> variablesAndTypes = new LinkedHashMap<>(theoryTestingSupport.getVariableNamesAndTypesForTesting());
    Type booleanType = variablesAndTypes.get("P");
    variablesAndTypes.put("S", booleanType);
    variablesAndTypes.put("T", booleanType);
    variablesAndTypes.put("U", booleanType);
    theoryTestingSupport.setVariableNamesAndTypesForTesting(variablesAndTypes);
    Context context = theoryTestingSupport.makeContextWithTestingInformation();
    String expressionString;
    Expression expected;
    expressionString = "sum( {{ (on I in 1..10) 3 : I != 4 and P }} )";
    expected = parse("if P then 27 else 0");
    runTest(expressionString, expected, context);
    expressionString = "sum( {{ (on ) 3 : I != 4 and P }} )";
    expected = parse("if I != 4 then if P then 3 else 0 else 0");
    runTest(expressionString, expected, context);
    expressionString = "sum( {{ (on ) 3 : P and not P }} )";
    expected = parse("0");
    runTest(expressionString, expected, context);
    expressionString = "sum( {{ (on I in 1..10, J in 1..2) 3 : I != 4 }} )";
    expected = parse("54");
    runTest(expressionString, expected, context);
    expressionString = "sum( {{ (on I in 1..10, P in Boolean) 3 : I != 4 }} )";
    expected = parse("54");
    runTest(expressionString, expected, context);
    expressionString = "max( {{ (on I in 1..10) 3 : I != 4 and P }} )";
    expected = parse("if P then 3 else -infinity");
    runTest(expressionString, expected, context);
    expressionString = "max( {{ (on ) 3 : I != 4 and P }} )";
    expected = parse("if I != 4 then if P then 3 else -infinity else -infinity");
    runTest(expressionString, expected, context);
    expressionString = "max( {{ (on ) 3 : P and not P }} )";
    expected = parse("-infinity");
    runTest(expressionString, expected, context);
    expressionString = "max( {{ (on I in 1..10, J in 1..2) 3 : I != 4 }} )";
    expected = parse("3");
    runTest(expressionString, expected, context);
    expressionString = "max( {{ (on I in 1..10, P in Boolean) 3 : I != 4 }} )";
    expected = parse("3");
    runTest(expressionString, expected, context);
}