Examples with RealValue jkind.lustre.values.RealValue used on opensource projects

Example 6 with RealValue

use of jkind.lustre.values.RealValue in project AGREE by loonwerks.

the class SimulationFrameResults method eval.

private Value eval(final Expr lustreExpr) {
    if (lustreExpr instanceof BoolExpr) {
        return BooleanValue.fromBoolean(((BoolExpr) lustreExpr).value);
    } else if (lustreExpr instanceof IntExpr) {
        return new IntegerValue(((IntExpr) lustreExpr).value);
    } else if (lustreExpr instanceof RealExpr) {
        final RealExpr realExpr = (RealExpr) lustreExpr;
        return new RealValue(BigFraction.valueOf(realExpr.value));
    } else if (lustreExpr instanceof BinaryExpr) {
        final BinaryExpr binaryExpr = (BinaryExpr) lustreExpr;
        final Value leftValue = eval(binaryExpr.left);
        final Value rightValue = eval(binaryExpr.right);
        if (leftValue == null || rightValue == null) {
            return null;
        }
        return leftValue.applyBinaryOp(binaryExpr.op, rightValue);
    } else if (lustreExpr instanceof UnaryExpr) {
        final UnaryExpr unaryExpr = (UnaryExpr) lustreExpr;
        final Value operandValue = eval(unaryExpr.expr);
        if (operandValue == null) {
            return null;
        }
        return operandValue.applyUnaryOp(unaryExpr.op);
    }
    return null;
}

Example 7 with RealValue

use of jkind.lustre.values.RealValue 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());
    }
}

Example 8 with RealValue

use of jkind.lustre.values.RealValue in project AGREE by loonwerks.

the class InputConstraintToLustreValueExpression method lustreExprToValue.

// Only binary, unary, and literal expressions are supported
private static Value lustreExprToValue(final Expr lustreExpr) {
    if (lustreExpr instanceof BoolExpr) {
        return BooleanValue.fromBoolean(((BoolExpr) lustreExpr).value);
    } else if (lustreExpr instanceof IntExpr) {
        return new IntegerValue(((IntExpr) lustreExpr).value);
    } else if (lustreExpr instanceof RealExpr) {
        final RealExpr realExpr = (RealExpr) lustreExpr;
        return new RealValue(BigFraction.valueOf(realExpr.value));
    } else if (lustreExpr instanceof BinaryExpr) {
        final BinaryExpr binaryExpr = (BinaryExpr) lustreExpr;
        final Value leftValue = lustreExprToValue(binaryExpr.left);
        final Value rightValue = lustreExprToValue(binaryExpr.right);
        return leftValue.applyBinaryOp(binaryExpr.op, rightValue);
    } else if (lustreExpr instanceof UnaryExpr) {
        final UnaryExpr unaryExpr = (UnaryExpr) lustreExpr;
        final Value operandValue = lustreExprToValue(unaryExpr.expr);
        return operandValue.applyUnaryOp(unaryExpr.op);
    }
    throw new RuntimeException("Unsupported expression: " + lustreExpr);
}