Bug 183890 [DataBinding] Default converter for numbers to numbers
We don't currently default converters for converting between numbers (e.g. int to double, long to int, etc.).
bundles/org.eclipse.core.databinding/src/org/eclipse/core/databinding/UpdateStrategy.java
} else if (originalClass.equals(Short.TYPE)) {
				return SHORT_TYPE;
			}
		}
		return filteredValue.getName();
	}
	/**
	 * @param fromType
	 * @param toType
	 * @return whether fromType is assignable to toType
	 */
	protected Boolean isAssignableFromTo(Object fromType, Object toType) {
		if (fromType instanceof Class && toType instanceof Class) {
			Class toClass = (Class) toType;
			if (toClass.isPrimitive()) {
				toClass = autoboxed(toClass);
			}
			Class fromClass = (Class) fromType;
			if (fromClass.isPrimitive()) {
				fromClass = autoboxed(fromClass);
			}
			return toClass.isAssignableFrom(fromClass) ? Boolean.TRUE
					: Boolean.FALSE;
		}
		return null;
	}
	/*
	 * Default converter implementation, does not perform any conversion.
	 */
	protected static final class DefaultConverter implements IConverter {