-/**
- * Possible return values of value_classify().
- */
-typedef enum _value_classify {
- VALUE_UNKNOWN = 0, /**< could not classify */
- VALUE_POSITIVE = 1, /**< value is positive, i.e. >= 0 */
- VALUE_NEGATIVE = -1 /**< value is negative, i.e. <= 0 if
- no signed zero exists or < 0 else */
-} value_classify;
-