| /* |
| * Copyright (C) 2012 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.renderscript.cts; |
| |
| import com.android.cts.stub.R; |
| import android.renderscript.Allocation; |
| import android.renderscript.RSRuntimeException; |
| |
| public class TruncTest extends RSBaseCompute { |
| private ScriptC_trunc_f32 script_f32; |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| script_f32 = new ScriptC_trunc_f32(mRS); |
| } |
| |
| @Override |
| public void forEach(int testId, Allocation mIn, Allocation mOut) throws RSRuntimeException { |
| switch (testId) { |
| case TEST_F32: |
| script_f32.forEach_trunc_f32_1(mIn, mOut); |
| break; |
| case TEST_F32_2: |
| script_f32.forEach_trunc_f32_2(mIn, mOut); |
| break; |
| case TEST_F32_3: |
| script_f32.forEach_trunc_f32_3(mIn, mOut); |
| break; |
| case TEST_F32_4: |
| script_f32.forEach_trunc_f32_4(mIn, mOut); |
| break; |
| } |
| } |
| |
| @Override |
| protected float[] getRefArray(float[] inArray, int input_size, int stride, int skip) { |
| float[] ref = new float[input_size * stride]; |
| for (int i = 0; i < input_size; i++) { |
| for (int j = 0; j < stride - skip; j++) { |
| int idxSrc = i * stride + j; |
| int idxDst = i * (stride - skip) + j; |
| int sign = ((Float.floatToIntBits(inArray[idxSrc]) >> 31) & 0x01); |
| float trunc = (int)inArray[idxSrc]; |
| if (sign == 1 && trunc == +0.0f) { |
| trunc = -0.0f; |
| } |
| ref[idxDst] = trunc; |
| } |
| } |
| return ref; |
| } |
| |
| /** |
| * trunc test for float |
| */ |
| public void testTruncF32() { |
| doF32(0x12345678, 0); |
| } |
| |
| /** |
| * trunc test for float2 |
| */ |
| public void testTruncF32_2() { |
| doF32_2(0x12345a78, 0); |
| } |
| |
| /** |
| * trunc test for float3 |
| */ |
| public void testTruncF32_3() { |
| doF32_3(0x12f45678, 0); |
| } |
| |
| /** |
| * trunc test for float4 |
| */ |
| public void testTruncF32_4() { |
| doF32_4(0x123c5678, 0); |
| } |
| } |