1/* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#include "Operations.h" 18#include "CpuOperationUtils.h" 19 20#include "tensorflow/contrib/lite/kernels/internal/optimized/optimized_ops.h" 21 22namespace android { 23namespace nn { 24 25bool concatenationFloat32(const std::vector<const float*>& inputDataPtrs, 26 const std::vector<Shape>& inputShapes, int32_t axis, 27 float* outputData, const Shape& outputShape) { 28 int num_inputs = inputShapes.size(); 29 std::vector<tflite::Dims<4>*> inputDimsPtr(num_inputs); 30 std::vector<tflite::Dims<4> > inputDims(num_inputs); 31 for (int i=0; i<num_inputs; i++) { 32 inputDims[i] = convertShapeToDims(inputShapes[i]); 33 inputDimsPtr[i] = &inputDims[i]; 34 } 35 36 tflite::optimized_ops::Concatenation<tflite::FusedActivationFunctionType::kNone, float>( 37 getNumberOfDimensions(outputShape) - axis - 1, 38 inputDataPtrs.data(), inputDimsPtr.data(), num_inputs, 39 outputData, convertShapeToDims(outputShape)); 40 41 return true; 42} 43 44bool concatenationQuant8(const std::vector<const uint8_t*>& inputDataPtrs, 45 const std::vector<Shape>& inputShapes, int32_t axis, 46 uint8_t* outputData, const Shape& outputShape) { 47 int num_inputs = inputShapes.size(); 48 std::vector<tflite::Dims<4>*> inputDimsPtr(num_inputs); 49 std::vector<tflite::Dims<4> > inputDims(num_inputs); 50 for (int i=0; i<num_inputs; i++) { 51 inputDims[i] = convertShapeToDims(inputShapes[i]); 52 inputDimsPtr[i] = &inputDims[i]; 53 } 54 55 tflite::optimized_ops::Concatenation<tflite::FusedActivationFunctionType::kNone, uint8_t>( 56 getNumberOfDimensions(outputShape) - axis - 1, 57 inputDataPtrs.data(), inputDimsPtr.data(), num_inputs, 58 outputData, convertShapeToDims(outputShape)); 59 60 return true; 61} 62} // namespace nn 63} // namespace android 64