forked from huawei/mindspore2022
42 lines
1.9 KiB
C
42 lines
1.9 KiB
C
/**
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* Copyright 2020 Huawei Technologies Co., Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "nnacl/reverse_sequence.h"
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#include <string.h>
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#include "nnacl/arithmetic_common.h"
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void ReverseSequence(float *input0, const void *input1, float *output, ReverseSequenceParameter *para) {
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(void)memcpy(output, input0, para->total_data_size_);
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ComputeStrides(para->input_shape0_, para->input_stride_, para->ndim_);
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ComputeStrides(para->output_shape_, para->output_stride_, para->ndim_);
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for (int i = 0; i < para->outer_count_; ++i) {
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float *in = input0 + i * para->outer_stride_;
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float *out = output + i * para->outer_stride_;
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for (int batch = 0; batch < para->input_shape0_[para->batch_axis_]; batch++) {
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float *in_batch = in + batch * para->input_stride_[para->batch_axis_];
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float *out_batch = out + batch * para->output_stride_[para->batch_axis_];
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int32_t seq_length = para->is_seq_length_int32_ ? *((int32_t *)input1 + batch) : *((int64_t *)input1 + batch);
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for (int n = 0; n < seq_length; ++n) {
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float *in_seq = in_batch + (seq_length - 1 - n) * para->input_stride_[para->seq_axis_];
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float *out_seq = out_batch + n * para->output_stride_[para->seq_axis_];
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for (int j = 0; j < para->inner_count_; ++j) {
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(void)memcpy(out_seq + j * para->inner_stride_, in_seq + j * para->inner_stride_, para->copy_byte_size_);
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}
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}
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}
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}
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}
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