Examples with TrueContext com.sri.ai.grinder.sgdpllt.core.TrueContext used on opensource projects

Example 1 with TrueContext

use of com.sri.ai.grinder.sgdpllt.core.TrueContext in project aic-expresso by aic-sri-international.

the class CompoundTheoryWithDifferenceArithmeticTest method basicTests.

@Test
public void basicTests() {
    TheoryTestingSupport theoryTestingSupport = TheoryTestingSupport.make(makeRandom(), new CompoundTheory(new EqualityTheory(false, true), new DifferenceArithmeticTheory(false, true), new PropositionalTheory()));
    Expression condition = parse("X = Y and Y = X and P and not Q and P and X = a and X != b");
    Context context = theoryTestingSupport.makeContextWithTestingInformation();
    Constraint constraint = new CompleteMultiVariableContext(theoryTestingSupport.getTheory(), context);
    constraint = constraint.conjoin(condition, context);
    Expression expected = parse("(Y = a) and not Q and P and (X = Y)");
    assertEquals(expected, constraint);
    // nested indices
    Expression expression = parse("sum({{(on I in 1..2, J in 2..3) sum({{ (on I in 1..10, J in 1..2) I + J : I != J }}) }})");
    context = new TrueContext(theoryTestingSupport.getTheory());
    expected = parse("536");
    Expression actual = theoryTestingSupport.getTheory().evaluate(expression, context);
    println(actual);
    assertEquals(expected, actual);
}

Example 2 with TrueContext

use of com.sri.ai.grinder.sgdpllt.core.TrueContext in project aic-expresso by aic-sri-international.

the class SwitchTest method runTest.

private void runTest(Rewriter rewriter, Expression initial, Expression expected, Map<Expression, Expression> symbolsAndTypes) {
    CompoundTheory theory = new CompoundTheory(new PropositionalTheory(), new DifferenceArithmeticTheory(false, true));
    Context context = new TrueContext(theory);
    context = context.registerAdditionalSymbolsAndTypes(symbolsAndTypes);
    Rewriter recursive = new Recursive(rewriter);
    Expression solution = recursive.apply(initial, context);
    System.out.println("Solution: " + solution);
    assertEquals(expected, solution);
}

Example 3 with TrueContext

use of com.sri.ai.grinder.sgdpllt.core.TrueContext in project aic-expresso by aic-sri-international.

the class ExhaustiveTest method runTest.

private void runTest(Rewriter rewriter, Expression initial, Expression expected, Map<Expression, Expression> symbolsAndTypes) {
    CompoundTheory theory = new CompoundTheory(new PropositionalTheory(), new DifferenceArithmeticTheory(false, true));
    Context context = new TrueContext(theory);
    context = context.registerAdditionalSymbolsAndTypes(symbolsAndTypes);
    Rewriter exhaustive = new Exhaustive(rewriter);
    Expression solution = exhaustive.apply(initial, context);
    System.out.println("Solution: " + solution);
    assertEquals(expected, solution);
}

Example 4 with TrueContext

use of com.sri.ai.grinder.sgdpllt.core.TrueContext in project aic-expresso by aic-sri-international.

the class FirstOfTest method runTest.

private void runTest(List<Rewriter> rewriters, Expression initial, Expression expected, Map<Expression, Expression> symbolsAndTypes) {
    CompoundTheory theory = new CompoundTheory(new PropositionalTheory(), new DifferenceArithmeticTheory(false, true));
    Context context = new TrueContext(theory);
    context = context.registerAdditionalSymbolsAndTypes(symbolsAndTypes);
    Rewriter firstOf = new FirstOf(rewriters);
    Expression solution = firstOf.apply(initial, context);
    System.out.println("Solution: " + solution);
    assertEquals(expected, solution);
}

Example 5 with TrueContext

use of com.sri.ai.grinder.sgdpllt.core.TrueContext in project aic-expresso by aic-sri-international.

the class TupleRewriterTest method testTupleValuedFreeVariablesSimplifier.

@Test
public void testTupleValuedFreeVariablesSimplifier() {
    Context tupleTheoryContext = new TrueContext(new CompoundTheory(new DifferenceArithmeticTheory(false, false), new TupleTheory()));
    TupleType nTupleType = new TupleType(new IntegerInterval(1, 10), new IntegerInterval(1, 10));
    tupleTheoryContext = (Context) GrinderUtil.extendRegistryWith(map("N", nTupleType.toString()), Arrays.asList(nTupleType), tupleTheoryContext);
    TupleValuedFreeVariablesSimplifier simplifier = new TupleValuedFreeVariablesSimplifier();
    Expression expression = parse("sum( {{ (on X in 1..10) if N = (2, X) then 2 else 3 }} )");
    Expression simplified = simplifier.apply(expression, tupleTheoryContext);
    Assert.assertEquals(parse("if get(N, 1) = 2 then 29 else 30"), simplified);
}