From 2d978db01641b4edb58c8c906b297d85e827a4ac Mon Sep 17 00:00:00 2001
From: jeffro256 <jeffro256@tutanota.com>
Date: Mon, 5 Jan 2026 18:46:18 -0600
Subject: [PATCH] common: fix `apply_permutation()` for `std::vector<bool>`

---
 src/common/apply_permutation.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/common/apply_permutation.h b/src/common/apply_permutation.h
index 479dbc06d..4f8e52e43 100644
--- a/src/common/apply_permutation.h
+++ b/src/common/apply_permutation.h
@@ -67,4 +67,11 @@ void apply_permutation(const std::vector<size_t> &permutation, std::vector<T> &v
   apply_permutation(permutation, [&v](size_t i0, size_t i1){ std::swap(v[i0], v[i1]); });
 }
 
+static inline void apply_permutation(const std::vector<size_t> &permutation, std::vector<bool> &v)
+{
+  // std::vector<bool> is ~~special~~ b/c operator[] doesn't return a real reference
+  CHECK_AND_ASSERT_THROW_MES(permutation.size() == v.size(), "Mismatched vector sizes");
+  apply_permutation(permutation, [&v](size_t i0, size_t i1){ v.swap(v[i0], v[i1]); });
+}
+
 }