| /** |
| * 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. |
| */ |
| |
| // generate random points in the 4 squares: [2..4,6..8]*[2..4,6..8] |
| // used in kmeans.mrql |
| |
| function randomV ( v: double ) : double { |
| let x = random(100000)/10000.0 |
| in if ((x >= v and x <= v*2.0) |
| or (x >= v*3.0 and x <= v*4.0)) |
| then x |
| else randomV(v) |
| }; |
| |
| store "points.bin" |
| from select < X: randomV(2.0), Y: randomV(2.0) > |
| from i in 1...(toLong(args[0])); |