Marat Dukhan | a160020 | 2020-12-01 22:17:16 -0800 | [diff] [blame] | 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 | |
| 16 | enum xnn_status xnn_define_elu( |
| 17 | xnn_subgraph_t subgraph, |
| 18 | float alpha, |
| 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_elu)); |
| 26 | return xnn_status_uninitialized; |
| 27 | } |
| 28 | |
| 29 | if (alpha <= 0.0f || !isnormal(alpha)) { |
| 30 | xnn_log_error( |
| 31 | "failed to define %s operator with %.7g alpha parameter: alpha must be finite, normalized, and positive", |
| 32 | xnn_node_type_to_string(xnn_node_type_elu), alpha); |
| 33 | return xnn_status_invalid_parameter; |
| 34 | } |
| 35 | |
| 36 | if (input_id >= subgraph->num_values) { |
| 37 | xnn_log_error( |
| 38 | "failed to define %s operator with input ID #%" PRIu32 ": invalid Value ID", |
| 39 | xnn_node_type_to_string(xnn_node_type_elu), input_id); |
| 40 | return xnn_status_invalid_parameter; |
| 41 | } |
| 42 | |
| 43 | if (output_id >= subgraph->num_values) { |
| 44 | xnn_log_error( |
| 45 | "failed to define %s operator with output ID #%" PRIu32 ": invalid Value ID", |
| 46 | xnn_node_type_to_string(xnn_node_type_elu), output_id); |
| 47 | return xnn_status_invalid_parameter; |
| 48 | } |
| 49 | |
| 50 | struct xnn_node* node = xnn_subgraph_new_node(subgraph); |
| 51 | if (node == NULL) { |
| 52 | return xnn_status_out_of_memory; |
| 53 | } |
| 54 | |
| 55 | node->type = xnn_node_type_elu; |
| 56 | node->params.elu.alpha = alpha; |
| 57 | node->num_inputs = 1; |
| 58 | node->inputs[0] = input_id; |
| 59 | node->num_outputs = 1; |
| 60 | node->outputs[0] = output_id; |
| 61 | node->flags = flags; |
| 62 | |
| 63 | return xnn_status_success; |
| 64 | } |