use of com.sri.ai.grinder.theory.linearrealarithmetic.LinearRealArithmeticTheory 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());
}
use of com.sri.ai.grinder.theory.linearrealarithmetic.LinearRealArithmeticTheory in project aic-expresso by aic-sri-international.
the class BasicTest method debug.
public void debug(Expression problem, Expression expectedSolution) {
CompoundTheory theory = new CompoundTheory(new EqualityTheory(false, true), new DifferenceArithmeticTheory(false, false), new LinearRealArithmeticTheory(false, false), new TupleTheory(), new PropositionalTheory(), new BruteForceFunctionTheory());
Context context = new TrueContext(theory);
context = context.makeNewContextWithAddedType(BOOLEAN_TYPE);
context = context.makeCloneWithAdditionalRegisteredSymbolsAndTypes(map(makeSymbol("P"), makeSymbol("Boolean")));
Expression symbolicSolution = theory.evaluate(problem, context);
println(symbolicSolution);
Assert.assertEquals(expectedSolution, symbolicSolution);
}
use of com.sri.ai.grinder.theory.linearrealarithmetic.LinearRealArithmeticTheory in project aic-expresso by aic-sri-international.
the class BasicTest method runIsLiteralTest.
private void runIsLiteralTest(Expression expression, boolean expected, Context context) {
LinearRealArithmeticTheory theory = new LinearRealArithmeticTheory(false, true);
boolean isLiteral = theory.isLiteral(expression, context);
assertEquals(expected, isLiteral);
}
use of com.sri.ai.grinder.theory.linearrealarithmetic.LinearRealArithmeticTheory in project aic-expresso by aic-sri-international.
the class LinearRealArithmeticTheoryTest method testMeasure.
@Test
public void testMeasure() {
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("4");
runMeasureTest(variable, constraintString, expected, context);
variable = parse("X");
constraintString = "X < 3";
expected = parse("3");
runMeasureTest(variable, constraintString, expected, context);
variable = parse("X");
constraintString = "X > 3 and X <= 3";
expected = parse("0");
runMeasureTest(variable, constraintString, expected, context);
variable = parse("X");
constraintString = "X > 3.1 and X <= 3.4";
expected = parse("0.3");
runMeasureTest(variable, constraintString, expected, context);
variable = parse("X");
constraintString = "X > 3 and X < 4";
expected = parse("1");
runMeasureTest(variable, constraintString, expected, context);
variable = parse("X");
constraintString = "X > 3.1 and X <= 3.4 and X != 3.2";
expected = parse("0.3");
runMeasureTest(variable, constraintString, expected, context);
variable = parse("X");
constraintString = "X <= 3.4 and X > 3.1 and X != 3.2";
expected = parse("0.3");
runMeasureTest(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("0");
runMeasureTest(variable, constraintString, expected, context);
variable = parse("X");
constraintString = "X <= 3.4 and X > 3.1 and X = 3.2";
expected = parse("0");
runMeasureTest(variable, constraintString, expected, context);
variable = parse("X");
constraintString = "X <= 3.4 and X > 3.1 and X != 7";
expected = parse("0.3");
runMeasureTest(variable, constraintString, expected, context);
variable = parse("X");
constraintString = "X <= 3.4 and X > 3.1 and X != 7 and X = 7";
expected = parse("0");
runMeasureTest(variable, constraintString, expected, context);
variable = parse("X");
constraintString = "X <= 3.4 and X > 3.1 and X = 7";
expected = parse("0");
runMeasureTest(variable, constraintString, expected, context);
variable = parse("X");
constraintString = "X <= 3.4 and X > 3.1 and X != 7 and X = 8";
expected = parse("0");
runMeasureTest(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("0");
runMeasureTest(variable, constraintString, expected, context);
variable = parse("X");
constraintString = "X <= 3.4 and X > 3.1 and X = 7 and X = 8";
expected = parse("0");
runMeasureTest(variable, constraintString, expected, context);
variable = parse("X");
constraintString = "X < Y";
expected = parse("if Y > 0 then Y else 0");
runMeasureTest(variable, constraintString, expected, context);
// keep these tests together
variable = parse("X");
constraintString = "X < Y + 1";
expected = parse("if Y > 3 then 4 else Y + 1");
runMeasureTest(variable, constraintString, expected, context);
variable = parse("X");
constraintString = "X < Y - 4";
expected = parse("0");
runMeasureTest(variable, constraintString, expected, context);
variable = parse("X");
constraintString = "X < 2 - Y";
expected = parse("if Y < 2 then -Y + 2 else 0");
runMeasureTest(variable, constraintString, expected, context);
variable = parse("X");
constraintString = "X > Y";
expected = parse("if Y < 4 then 4 - Y else 0");
runMeasureTest(variable, constraintString, expected, context);
// keep these tests together
variable = parse("X");
constraintString = "X > Y + 1";
expected = parse("if Y < 3 then 4 - (Y + 1) else 0");
runMeasureTest(variable, constraintString, expected, context);
variable = parse("X");
constraintString = "X >= Y + 4";
expected = parse("if Y <= 0 then 4 - (Y + 4) else 0");
runMeasureTest(variable, constraintString, expected, context);
variable = parse("X");
constraintString = "X >= Y + 2";
expected = parse("if Y <= 2 then 4 - (Y + 2) else 0");
runMeasureTest(variable, constraintString, expected, context);
variable = parse("X");
constraintString = "X >= Y";
expected = parse("4 - Y");
runMeasureTest(variable, constraintString, expected, context);
// keep these tests together
variable = parse("X");
constraintString = "X >= Y + 1";
expected = parse("if Y <= 3 then 4 - (Y + 1) else 0");
runMeasureTest(variable, constraintString, expected, context);
variable = parse("X");
constraintString = "X > 3 and X <= 3";
expected = parse("0");
runMeasureTest(variable, constraintString, expected, context);
variable = parse("X");
constraintString = "X > 3.1 and X <= 3.4";
expected = parse("0.3");
runMeasureTest(variable, constraintString, expected, context);
variable = parse("X");
constraintString = "X > 3.1 and X <= 3.4 and X != 3.2";
expected = parse("0.3");
runMeasureTest(variable, constraintString, expected, context);
variable = parse("X");
constraintString = "X <= 3.4 and X > 3.1 and X != 3.2";
expected = parse("0.3");
runMeasureTest(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("0");
runMeasureTest(variable, constraintString, expected, context);
variable = parse("X");
constraintString = "X <= 3.4 and X > 3.1 and X = 3.2";
expected = parse("0");
runMeasureTest(variable, constraintString, expected, context);
variable = parse("X");
constraintString = "X <= 3.4 and X > 3.1 and X = 3.6";
expected = parse("0");
runMeasureTest(variable, constraintString, expected, context);
variable = parse("X");
constraintString = "X <= 3.4 and X > 3.1 and X != 7";
expected = parse("0.3");
runMeasureTest(variable, constraintString, expected, context);
variable = parse("X");
constraintString = "X <= 3.4 and X > 3.1 and X != 7 and X = 7";
expected = parse("0");
runMeasureTest(variable, constraintString, expected, context);
variable = parse("X");
constraintString = "X <= 3.4 and X > 3.1 and X = 7";
expected = parse("0");
runMeasureTest(variable, constraintString, expected, context);
variable = parse("X");
constraintString = "X <= 3.4 and X > 3.1 and X != 7 and X = 8";
expected = parse("0");
runMeasureTest(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("0");
runMeasureTest(variable, constraintString, expected, context);
variable = parse("X");
constraintString = "X <= 3.4 and X > 3.1 and X = 7 and X = 8";
expected = parse("0");
runMeasureTest(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 3.4 - Y else 0 else if Z < 3.4 then 3.4 - Z else 0");
runMeasureTest(variable, constraintString, expected, context);
}
use of com.sri.ai.grinder.theory.linearrealarithmetic.LinearRealArithmeticTheory 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);
}
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