Six new unary elementwise operators in Subgraph API
- Abs
- Bankers' Rounding
- Ceiling
- Floor
- Negate
- Square
PiperOrigin-RevId: 315649679
diff --git a/src/subgraph/bankers-rounding.c b/src/subgraph/bankers-rounding.c
new file mode 100644
index 0000000..7bd9b34
--- /dev/null
+++ b/src/subgraph/bankers-rounding.c
@@ -0,0 +1,55 @@
+// Copyright 2020 Google LLC
+//
+// This source code is licensed under the BSD-style license found in the
+// LICENSE file in the root directory of this source tree.
+
+#include <math.h>
+#include <stddef.h>
+#include <stdint.h>
+
+#include <xnnpack.h>
+#include <xnnpack/log.h>
+#include <xnnpack/params.h>
+#include <xnnpack/subgraph.h>
+
+
+enum xnn_status xnn_define_bankers_rounding(
+ xnn_subgraph_t subgraph,
+ uint32_t input_id,
+ uint32_t output_id,
+ uint32_t flags)
+{
+ if (!xnn_params.initialized) {
+ xnn_log_error("failed to define %s operator: XNNPACK is not initialized",
+ xnn_node_type_to_string(xnn_node_type_bankers_rounding));
+ return xnn_status_uninitialized;
+ }
+
+ if (input_id >= subgraph->num_values) {
+ xnn_log_error(
+ "failed to define %s operator with input ID #%" PRIu32 ": invalid Value ID",
+ xnn_node_type_to_string(xnn_node_type_bankers_rounding), input_id);
+ return xnn_status_invalid_parameter;
+ }
+
+ if (output_id >= subgraph->num_values) {
+ xnn_log_error(
+ "failed to define %s operator with output ID #%" PRIu32 ": invalid Value ID",
+ xnn_node_type_to_string(xnn_node_type_bankers_rounding), output_id);
+ return xnn_status_invalid_parameter;
+ }
+
+ struct xnn_node* node = xnn_subgraph_new_node(subgraph);
+ if (node == NULL) {
+ return xnn_status_out_of_memory;
+ }
+
+ node->type = xnn_node_type_bankers_rounding;
+ node->num_inputs = 1;
+ node->inputs[0] = input_id;
+ node->num_outputs = 1;
+ node->outputs[0] = output_id;
+ node->flags = flags;
+
+ return xnn_status_success;
+}