Function IsBsonValueInfinity

pg_documentdb_core/src/query/bson_compare.c:960–987

* Returns 0 if value is not Infinity * Returns 1 if value is Infinity * Returns -1 if value is -Infinity */

 * Returns -1 if value is -Infinity
 */
int
IsBsonValueInfinity(const bson_value_t *value)
{
	if (value->value_type == BSON_TYPE_DECIMAL128)
	{
		bool isPositiveInfinity = false;
		if (IsDecimal128Infinity(value, &isPositiveInfinity))
		{
			return isPositiveInfinity ? 1 : -1;
		}
	}
	else if (value->value_type == BSON_TYPE_DOUBLE)
	{
		double doubleValue = BsonValueAsDouble(value);

		if (doubleValue == (double) INFINITY)
		{
			return 1;
		}

		if (doubleValue == (double) -INFINITY)
		{
			return -1;
		}
	}

	return 0;
}


bool