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_leaky_relu(xnn_subgraph_t subgraph,float negative_slope,uint32_t input_id,uint32_t output_id,uint32_t flags)16 enum xnn_status xnn_define_leaky_relu(
17 xnn_subgraph_t subgraph,
18 float negative_slope,
19 uint32_t input_id,
20 uint32_t output_id,
21 uint32_t flags)
22 {
23 if ((xnn_params.init_flags & XNN_INIT_FLAG_XNNPACK) == 0) {
24 xnn_log_error("failed to define %s operator: XNNPACK is not initialized",
25 xnn_node_type_to_string(xnn_node_type_leaky_relu));
26 return xnn_status_uninitialized;
27 }
28
29 if (!isfinite(negative_slope)) {
30 xnn_log_error(
31 "failed to create %s operator with %f negative slope: finite number expected",
32 xnn_node_type_to_string(xnn_node_type_leaky_relu),
33 negative_slope);
34 return xnn_status_invalid_parameter;
35 }
36
37 if (input_id >= subgraph->num_values) {
38 xnn_log_error(
39 "failed to define %s operator with input ID #%" PRIu32 ": invalid Value ID",
40 xnn_node_type_to_string(xnn_node_type_leaky_relu), input_id);
41 return xnn_status_invalid_parameter;
42 }
43
44 if (output_id >= subgraph->num_values) {
45 xnn_log_error(
46 "failed to define %s operator with output ID #%" PRIu32 ": invalid Value ID",
47 xnn_node_type_to_string(xnn_node_type_leaky_relu), output_id);
48 return xnn_status_invalid_parameter;
49 }
50
51 struct xnn_node* node = xnn_subgraph_new_node(subgraph);
52 if (node == NULL) {
53 return xnn_status_out_of_memory;
54 }
55
56 node->type = xnn_node_type_leaky_relu;
57 node->params.leaky_relu.negative_slope = negative_slope;
58 node->num_inputs = 1;
59 node->inputs[0] = input_id;
60 node->num_outputs = 1;
61 node->outputs[0] = output_id;
62 node->flags = flags;
63
64 return xnn_status_success;
65 }
66