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_softmax(xnn_subgraph_t subgraph,uint32_t input_id,uint32_t output_id,uint32_t flags)16 enum xnn_status xnn_define_softmax(
17 xnn_subgraph_t subgraph,
18 uint32_t input_id,
19 uint32_t output_id,
20 uint32_t flags)
21 {
22 if ((xnn_params.init_flags & XNN_INIT_FLAG_XNNPACK) == 0) {
23 xnn_log_error("failed to define %s operator: XNNPACK is not initialized",
24 xnn_node_type_to_string(xnn_node_type_softmax));
25 return xnn_status_uninitialized;
26 }
27
28 if (input_id >= subgraph->num_values) {
29 xnn_log_error(
30 "failed to define %s operator with input ID #%" PRIu32 ": invalid Value ID",
31 xnn_node_type_to_string(xnn_node_type_softmax), input_id);
32 return xnn_status_invalid_parameter;
33 }
34
35 if (output_id >= subgraph->num_values) {
36 xnn_log_error(
37 "failed to define %s operator with output ID #%" PRIu32 ": invalid Value ID",
38 xnn_node_type_to_string(xnn_node_type_softmax), output_id);
39 return xnn_status_invalid_parameter;
40 }
41
42 struct xnn_node* node = xnn_subgraph_new_node(subgraph);
43 if (node == NULL) {
44 return xnn_status_out_of_memory;
45 }
46
47 node->type = xnn_node_type_softmax;
48 node->num_inputs = 1;
49 node->inputs[0] = input_id;
50 node->num_outputs = 1;
51 node->outputs[0] = output_id;
52 node->flags = flags;
53
54 return xnn_status_success;
55 }
56