| /* |
| * Copyright (C) 2013 The Android Open Source Project |
| * |
| * Licensed 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. |
| */ |
| |
| package android.cts.rscpp; |
| |
| import android.content.res.Resources; |
| import java.util.Random; |
| import android.renderscript.Allocation; |
| import android.renderscript.RSRuntimeException; |
| |
| /** |
| * This class supplies some utils for renderscript tests |
| */ |
| public class RSUtils { |
| |
| public static void genRandom(long seed, int factor, int offset, float array[]) { |
| Random r = new Random(seed); |
| for (int i = 0; i < array.length; i++) { |
| array[i] = r.nextFloat() * factor + offset; |
| } |
| } |
| |
| public static void genRandom(long seed, int factor, int offset, float array[], |
| int stride, int skip) { |
| Random r = new Random(seed); |
| for (int i = 0; i < array.length / stride; i++) { |
| for (int j = 0; j < stride; j++) { |
| if (j >= stride - skip) |
| array[i * stride + j] = 0; |
| else |
| array[i * stride + j] = r.nextFloat() * factor + offset; |
| } |
| } |
| } |
| |
| public static void genRandom(long seed, int max, int factor, int offset, int array[]) { |
| Random r = new Random(seed); |
| for (int i = 0; i < array.length; i++) { |
| array[i] = (r.nextInt(max) * factor + offset); |
| } |
| } |
| |
| public static void genRandom(long seed, int factor, int offset, int array[], |
| int stride, int skip) { |
| Random r = new Random(seed); |
| for (int i = 0; i < array.length / stride; i++) { |
| for (int j = 0; j < stride; j++) { |
| if (j >= stride - skip) |
| array[i * stride + j] = 0; |
| else |
| array[i * stride + j] = r.nextInt() * factor + offset; |
| } |
| } |
| } |
| |
| public static void genRandom(long seed, int max, int factor, int offset, int array[], |
| int stride, int skip) { |
| Random r = new Random(seed); |
| for (int i = 0; i < array.length / stride; i++) { |
| for (int j = 0; j < stride; j++) { |
| if (j >= stride - skip) |
| array[i * stride + j] = 0; |
| else |
| array[i * stride + j] = r.nextInt(max) * factor + offset; |
| } |
| } |
| } |
| } |