1 // Copyright 2020 Google LLC
2 //
3 // This source code is licensed under the BSD-style license found in the
4 // LICENSE file in the root directory of this source tree.
5
6 #include <math.h>
7 #include <stddef.h>
8 #include <stdint.h>
9
10 #include <xnnpack.h>
11 #include <xnnpack/log.h>
12 #include <xnnpack/params.h>
13 #include <xnnpack/subgraph.h>
14
15
xnn_define_global_average_pooling_2d(xnn_subgraph_t subgraph,float output_min,float output_max,uint32_t input_id,uint32_t output_id,uint32_t flags)16 enum xnn_status xnn_define_global_average_pooling_2d(
17 xnn_subgraph_t subgraph,
18 float output_min,
19 float output_max,
20 uint32_t input_id,
21 uint32_t output_id,
22 uint32_t flags)
23 {
24 if ((xnn_params.init_flags & XNN_INIT_FLAG_XNNPACK) == 0) {
25 xnn_log_error("failed to define %s operator: XNNPACK is not initialized",
26 xnn_node_type_to_string(xnn_node_type_global_average_pooling_2d));
27 return xnn_status_uninitialized;
28 }
29
30 if (isnan(output_min)) {
31 xnn_log_error(
32 "failed to define %s operator with NaN output lower bound: lower bound must be non-NaN",
33 xnn_node_type_to_string(xnn_node_type_global_average_pooling_2d));
34 return xnn_status_invalid_parameter;
35 }
36
37 if (isnan(output_max)) {
38 xnn_log_error(
39 "failed to define %s operator with NaN output upper bound: upper bound must be non-NaN",
40 xnn_node_type_to_string(xnn_node_type_global_average_pooling_2d));
41 return xnn_status_invalid_parameter;
42 }
43
44 if (output_min >= output_max) {
45 xnn_log_error(
46 "failed to define %s operator with [%.7g, %.7g] output range: lower bound must be below upper bound",
47 xnn_node_type_to_string(xnn_node_type_global_average_pooling_2d), output_min, output_max);
48 return xnn_status_invalid_parameter;
49 }
50
51 if (input_id >= subgraph->num_values) {
52 xnn_log_error(
53 "failed to define %s operator with input ID #%" PRIu32 ": invalid Value ID",
54 xnn_node_type_to_string(xnn_node_type_global_average_pooling_2d), input_id);
55 return xnn_status_invalid_parameter;
56 }
57
58 if (output_id >= subgraph->num_values) {
59 xnn_log_error(
60 "failed to define %s operator with output ID #%" PRIu32 ": invalid Value ID",
61 xnn_node_type_to_string(xnn_node_type_global_average_pooling_2d), output_id);
62 return xnn_status_invalid_parameter;
63 }
64
65 struct xnn_node* node = xnn_subgraph_new_node(subgraph);
66 if (node == NULL) {
67 return xnn_status_out_of_memory;
68 }
69
70 node->type = xnn_node_type_global_average_pooling_2d;
71 node->activation.output_min = output_min;
72 node->activation.output_max = output_max;
73 node->num_inputs = 1;
74 node->inputs[0] = input_id;
75 node->num_outputs = 1;
76 node->outputs[0] = output_id;
77 node->flags = flags;
78
79 return xnn_status_success;
80 }
81