From 7d759b6c0efcb58b5c7c6858d7dcbd2060992430 Mon Sep 17 00:00:00 2001
From: Gustaf Rydholm <gustaf.rydholm@gmail.com>
Date: Mon, 6 Jun 2022 23:03:20 +0200
Subject: Add lit conformer model

---
 text_recognizer/models/util.py | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 text_recognizer/models/util.py

(limited to 'text_recognizer/models/util.py')

diff --git a/text_recognizer/models/util.py b/text_recognizer/models/util.py
new file mode 100644
index 0000000..cc0df3c
--- /dev/null
+++ b/text_recognizer/models/util.py
@@ -0,0 +1,10 @@
+from typing import Union
+
+from torch import Tensor
+
+
+def first_element(x: Tensor, element: Union[int, float], dim: int = 1) -> Tensor:
+    nonz = x == element
+    ind = ((nonz.cumsum(dim) == 1) & nonz).max(dim).indices
+    ind[ind == 0] = x.shape[dim]
+    return ind
-- 
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