1 // Tencent is pleased to support the open source community by making ncnn available. 2 // 3 // Copyright (C) 2017 THL A29 Limited, a Tencent company. All rights reserved. 4 // 5 // Licensed under the BSD 3-Clause License (the "License"); you may not use this file except 6 // in compliance with the License. You may obtain a copy of the License at 7 // 8 // https://opensource.org/licenses/BSD-3-Clause 9 // 10 // Unless required by applicable law or agreed to in writing, software distributed 11 // under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR 12 // CONDITIONS OF ANY KIND, either express or implied. See the License for the 13 // specific language governing permissions and limitations under the License. 14 15 #include "threshold.h" 16 17 namespace ncnn { 18 Threshold()19Threshold::Threshold() 20 { 21 one_blob_only = true; 22 support_inplace = true; 23 } 24 load_param(const ParamDict & pd)25int Threshold::load_param(const ParamDict& pd) 26 { 27 threshold = pd.get(0, 0.f); 28 29 return 0; 30 } 31 forward_inplace(Mat & bottom_top_blob,const Option & opt) const32int Threshold::forward_inplace(Mat& bottom_top_blob, const Option& opt) const 33 { 34 int w = bottom_top_blob.w; 35 int h = bottom_top_blob.h; 36 int channels = bottom_top_blob.c; 37 int size = w * h; 38 39 #pragma omp parallel for num_threads(opt.num_threads) 40 for (int q = 0; q < channels; q++) 41 { 42 float* ptr = bottom_top_blob.channel(q); 43 44 for (int i = 0; i < size; i++) 45 { 46 ptr[i] = ptr[i] > threshold ? 1.f : 0.f; 47 } 48 } 49 50 return 0; 51 } 52 53 } // namespace ncnn 54