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1 /**
2  * Copyright 2021 Huawei Technologies Co., Ltd
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 "nnacl/infer/control/tensorlist_fromtensor_infer.h"
18 #include "nnacl/infer/infer_register.h"
19 #include "nnacl/tensorlist_c_utils.h"
20 #include "nnacl/tensor_c_utils.h"
21 
TensorListFromTensorInferShape(const TensorC * const * inputs,size_t inputs_size,TensorC ** outputs,size_t outputs_size,OpParameter * parameter)22 int TensorListFromTensorInferShape(const TensorC *const *inputs, size_t inputs_size, TensorC **outputs,
23                                    size_t outputs_size, OpParameter *parameter) {
24   int check_ret = CheckAugmentWithMinSize(inputs, inputs_size, outputs, outputs_size, parameter, 2, 1);
25   if (check_ret != NNACL_OK) {
26     return check_ret;
27   }
28 
29   TensorListC *output = (TensorListC *)(outputs[0]);
30   const TensorC *input0 = inputs[0];
31   output->data_type_ = kObjectTypeTensorType;
32   output->format_ = Format_NHWC;
33   output->tensors_data_type_ = input0->data_type_;
34 
35   if (!InferFlag(inputs, inputs_size)) {
36     return NNACL_INFER_INVALID;
37   }
38 
39   if (input0->shape_size_ < 1) {
40     return NNACL_ERR;
41   }
42   int dim0 = input0->shape_[0];
43   if (dim0 < 0) {
44     return NNACL_ERR;
45   }
46   const TensorC *input1 = inputs[1];
47   if (input1->data_ == NULL) {
48     return NNACL_NULL_PTR;
49   }
50   int *ele_shape_ptr = (int *)(input1->data_);
51   NNACL_CHECK_NULL_RETURN_ERR(ele_shape_ptr);
52   vvector tensor_shape;
53   tensor_shape.size_ = (size_t)(dim0);
54   tensor_shape.shape_ = (int **)malloc(tensor_shape.size_ * sizeof(int *));
55   if (tensor_shape.shape_ == NULL) {
56     return NNACL_NULL_PTR;
57   }
58   tensor_shape.shape_size_ = (int *)malloc(tensor_shape.size_ * sizeof(int));
59   if (tensor_shape.shape_size_ == NULL) {
60     free(tensor_shape.shape_);
61     return NNACL_NULL_PTR;
62   }
63   for (int i = 0; i < dim0; i++) {
64     tensor_shape.shape_[i] = (int *)(input0->shape_ + 1);
65     tensor_shape.shape_size_[i] = (int)(input0->shape_size_) - 1;
66   }
67 
68   ShapeSet(output->element_shape_, &(output->element_shape_size_), ele_shape_ptr, (size_t)GetElementNum(input1));
69   output->element_num_ = (size_t)(dim0);
70   int ret = MallocTensorListData(output, input0->data_type_, &tensor_shape);
71   if (ret != NNACL_OK) {
72     free(tensor_shape.shape_);
73     free(tensor_shape.shape_size_);
74     return NNACL_ERR;
75   }
76   free(tensor_shape.shape_);
77   free(tensor_shape.shape_size_);
78   return NNACL_OK;
79 }
80 
81 REG_INFER(TensorListFromTensor, PrimType_TensorListFromTensor, TensorListFromTensorInferShape)
82