test: add SQL file test for casting double to string (#3854)

Add test coverage for casting double to string values including
negative zero, positive zero, NaN, Infinity, -Infinity, NULL,
scientific notation, and regular decimal values.

Author: andygrove

spark/src/test/resources/sql-tests/expressions/cast/cast_double_to_string.sql

@@ -0,0 +1,44 @@
+-- Licensed to the Apache Software Foundation (ASF) under one
+-- or more contributor license agreements.  See the NOTICE file
+-- distributed with this work for additional information
+-- regarding copyright ownership.  The ASF licenses this file
+-- to you under the Apache License, Version 2.0 (the
+-- "License"); you may not use this file except in compliance
+-- with the License.  You may obtain a copy of the License at
+--
+--   http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing,
+-- software distributed under the License is distributed on an
+-- "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+-- KIND, either express or implied.  See the License for the
+-- specific language governing permissions and limitations
+-- under the License.
+
+-- ConfigMatrix: parquet.enable.dictionary=false,true
+
+statement
+CREATE TABLE test_double_to_string(d double, id int) USING parquet
+
+statement
+INSERT INTO test_double_to_string VALUES
+  (-0.0, 1),
+  (0.0, 2),
+  (1.5, 3),
+  (-1.5, 4),
+  (cast('NaN' as double), 5),
+  (cast('Infinity' as double), 6),
+  (cast('-Infinity' as double), 7),
+  (NULL, 8),
+  (1.0E20, 9),
+  (1.0E-20, 10),
+  (-1.0E20, 11),
+  (0.001, 12),
+  (123456789.0, 13),
+  (1.23456789E10, 14)
+
+query
+SELECT cast(d as string), id FROM test_double_to_string ORDER BY id
+
+query
+SELECT cast(-0.0 as string), cast(0.0 as string)