1 files changed, 37 insertions, 0 deletions
diff --git a/pseudocode/operators/ARGMAX.tosac b/pseudocode/operators/ARGMAX.tosac
new file mode 100644
index 0000000..bbe301f
--- /dev/null
+++ b/pseudocode/operators/ARGMAX.tosac
@@ -0,0 +1,37 @@
+//
+// This confidential and proprietary software may be used only as
+// authorised by a licensing agreement from ARM Limited
+// (C) COPYRIGHT 2020-2024 ARM Limited
+// ALL RIGHTS RESERVED
+// The entire notice above must be reproduced on all authorised
+// copies and copies may only be made to the extent permitted
+// by a licensing agreement from ARM Limited.
+
+ERROR_IF(axis < 0 || axis >= rank(shape1));
+if (axis == 0) {
+    left_shape = [];
+} else {
+    left_shape = shape1[0:axis - 1];
+}
+if (axis == rank(shape1)-1) {
+    right_shape = [];
+} else {
+    right_shape = shape1[axis+1:rank(shape1) - 1];
+}
+ERROR_IF(flatten(left_shape, right_shape) != shape);
+for_each(left_index in left_shape) {
+    for_each(right_index in right_shape) {
+        in_t max_value = minimum_s<in_t>;
+        out_t max_index = 0;
+        for (i = 0; i < shape[axis]; i++) {
+            dim_t index = flatten(left_index, [i], right_index);
+            in_t value = tensor_read<in_t>(input, shape1, index);
+            if (apply_max_s<in_t>(value, max_value) != max_value) {
+                max_value = value;
+                max_index = i;
+            }
+        }
+        dim_t index = flatten(left_index, right_index);
+        tensor_write<out_t>(output, shape, index, max_index);
+    }
+}