Examples with BigFraction jkind.util.BigFraction used on opensource projects

Example 1 with BigFraction

use of jkind.util.BigFraction in project AGREE by loonwerks.

the class CounterexampleLoaderHelper method lustreValueToInputConstraint.

private InputConstraint lustreValueToInputConstraint(final Value value) {
    if (value instanceof BooleanValue) {
        final BooleanLiteral ic = InputConstraintFactory.eINSTANCE.createBooleanLiteral();
        ic.setValue(((BooleanValue) value).value);
        return ic;
    } else if (value instanceof IntegerValue) {
        final IntegerLiteral ic = InputConstraintFactory.eINSTANCE.createIntegerLiteral();
        ic.setValue(((IntegerValue) value).value);
        return ic;
    } else if (value instanceof RealValue) {
        final BigFraction fraction = ((RealValue) value).value;
        final BinaryExpression ic = ExpressionFactory.createFraction(fraction.getNumerator(), fraction.getDenominator());
        return ic;
    } else {
        throw new RuntimeException("Unsupported value type: " + value.getClass());
    }
}

Example 2 with BigFraction

use of jkind.util.BigFraction in project AGREE by loonwerks.

the class AGREESimulationState method getConstantLustreValue.

// Returns the raw value stored in the counterexample provided by JKind
public Value getConstantLustreValue(final int frameIndex, final Object constant) {
    if (frameIndex < 0 || frameIndex > frameInfos.size()) {
        throw new IllegalArgumentException("frameIndex is outside the valid range");
    }
    final ConstStatement constStatement = asConstant(constant);
    final com.rockwellcollins.atc.agree.agree.Expr agreeExpr = constStatement.getExpr();
    if (agreeExpr instanceof IntLitExpr) {
        return new IntegerValue(new BigInteger(((IntLitExpr) agreeExpr).getVal(), 10));
    } else if (agreeExpr instanceof RealLitExpr) {
        BigDecimal bd = new BigDecimal(((RealLitExpr) agreeExpr).getVal());
        if (bd.scale() < 0) {
            bd = bd.setScale(0);
        }
        return new RealValue(new BigFraction(bd.unscaledValue(), BigInteger.TEN.pow(bd.scale())));
    } else if (agreeExpr instanceof BoolLitExpr) {
        return BooleanValue.fromBoolean(((BoolLitExpr) agreeExpr).getVal().getValue());
    } else {
        return null;
    }
}

Example 3 with BigFraction

use of jkind.util.BigFraction in project AGREE by loonwerks.

the class FrameAssertionHelper method valueToExpr.

private static Expr valueToExpr(final Value value) {
    assert value != null;
    if (value instanceof ArrayValue) {
        final ArrayValue arrayValue = (ArrayValue) value;
        final ArrayList<Expr> exprList = new ArrayList<Expr>(arrayValue.elements.size());
        for (final Value childValue : arrayValue.elements) {
            exprList.add(valueToExpr(childValue));
        }
        return new ArrayExpr(exprList);
    } else if (value instanceof BooleanValue) {
        return new BoolExpr(((BooleanValue) value).value);
    } else if (value instanceof EnumValue) {
        return new IdExpr(((EnumValue) value).value);
    } else if (value instanceof IntegerValue) {
        return new IntExpr(((IntegerValue) value).value);
    } else if (value instanceof RealValue) {
        final BigFraction fraction = ((RealValue) value).value;
        return new BinaryExpr(new RealExpr(new BigDecimal(fraction.getNumerator())), BinaryOp.DIVIDE, new RealExpr(new BigDecimal(fraction.getDenominator())));
    }
    if (value instanceof TupleValue) {
        final TupleValue tupleValue = (TupleValue) value;
        final ArrayList<Expr> exprList = new ArrayList<Expr>(tupleValue.elements.size());
        for (final Value childValue : tupleValue.elements) {
            exprList.add(valueToExpr(childValue));
        }
        return new TupleExpr(exprList);
    } else {
        throw new RuntimeException("Unhandled case. Value is of type: " + value.getClass());
    }
}

Example 4 with BigFraction

use of jkind.util.BigFraction in project AGREE by loonwerks.

the class AGREESimulationState method convertLustreValue.

/**
 * Converts a JKind API Lustre value to types that are independent of the JKind API. In cases where there isn't an equivalent type in the standard
 * Java API, the original type will be preserved. Throws an
 * @param value non-null value object.
 * @throws RuntimeException if the value is not of a supported type.
 * @return
 */
private Object convertLustreValue(final Value value) {
    assert value != null;
    if (value instanceof ArrayValue) {
        final ArrayValue arrayValue = (ArrayValue) value;
        final ArrayList<Object> newList = new ArrayList<Object>(arrayValue.elements.size());
        for (final Value childValue : arrayValue.elements) {
            newList.add(convertLustreValue(childValue));
        }
        return newList;
    } else if (value instanceof BooleanValue) {
        return ((BooleanValue) value).value;
    } else if (value instanceof EnumValue) {
        return ((EnumValue) value).value;
    } else if (value instanceof IntegerValue) {
        return ((IntegerValue) value).value;
    } else if (value instanceof RealValue) {
        final BigFraction fraction = ((RealValue) value).value;
        return new Rational(fraction.getNumerator(), fraction.getDenominator());
    } else if (value instanceof RecordValue) {
        final RecordValue recordValue = (RecordValue) value;
        final Map<String, Object> newMap = new HashMap<String, Object>();
        for (final Entry<String, Value> entry : recordValue.fields.entrySet()) {
            newMap.put(entry.getKey(), convertLustreValue(entry.getValue()));
        }
        return newMap;
    } else if (value instanceof TupleValue) {
        final TupleValue tupleValue = (TupleValue) value;
        final ArrayList<Object> newList = new ArrayList<Object>(tupleValue.elements.size());
        for (final Value childValue : tupleValue.elements) {
            newList.add(convertLustreValue(childValue));
        }
        return newList;
    } else {
        throw new RuntimeException("Unhandled case. Value is of type: " + value.getClass());
    }
}