From bc7a7eea2f9b897095ab2f296e70617d4afeafd7 Mon Sep 17 00:00:00 2001
From: zdenop <zdenop@gmail.com>
Date: Sun, 4 Dec 2022 18:56:30 +0100
Subject: [PATCH] fix: index variable in OpenMP 'for' statement must have
 signed integral type

---
 src/ccmain/par_control.cpp | 2 +-
 src/lstm/parallel.cpp      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/ccmain/par_control.cpp b/src/ccmain/par_control.cpp
index efad3355..0f916c6e 100644
--- a/src/ccmain/par_control.cpp
+++ b/src/ccmain/par_control.cpp
@@ -55,7 +55,7 @@ void Tesseract::PrerecAllWordsPar(const std::vector<WordData> &words) {
 #  pragma omp parallel for num_threads(10)
 #endif // _OPENMP
     // NOLINTNEXTLINE(modernize-loop-convert)
-    for (size_t b = 0; b < blobs.size(); ++b) {
+    for (auto b = 0; b < blobs.size(); ++b) {
       *blobs[b].choices =
           blobs[b].tesseract->classify_blob(blobs[b].blob, "par", ScrollView::WHITE, nullptr);
     }
diff --git a/src/lstm/parallel.cpp b/src/lstm/parallel.cpp
index 2713314c..5b3fd1d4 100644
--- a/src/lstm/parallel.cpp
+++ b/src/lstm/parallel.cpp
@@ -137,7 +137,7 @@ bool Parallel::Backward(bool debug, const NetworkIO &fwd_deltas, NetworkScratch
 #ifdef _OPENMP
 #  pragma omp parallel for num_threads(stack_size)
 #endif
-    for (unsigned i = 0; i < stack_size; ++i) {
+    for (auto i = 0; i < stack_size; ++i) {
       stack_[i]->Backward(debug, *in_deltas[i], scratch, i == 0 ? back_deltas : out_deltas[i]);
     }
     if (needs_to_backprop_) {