From f4f5b9b2ccb110c244beaf83f32638e733875e3f Mon Sep 17 00:00:00 2001
From: Matt Peddie <matt.peddie@swift-nav.com>
Date: Wed, 7 Aug 2024 04:13:40 +1000
Subject: [PATCH] missing operator== for block diagonal LDLT

---
 include/albatross/src/linalg/block_diagonal.hpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/albatross/src/linalg/block_diagonal.hpp b/include/albatross/src/linalg/block_diagonal.hpp
index 29321879..c57fd1c5 100644
--- a/include/albatross/src/linalg/block_diagonal.hpp
+++ b/include/albatross/src/linalg/block_diagonal.hpp
@@ -68,6 +68,8 @@ struct BlockDiagonalLDLT {
   Eigen::Index rows() const;
 
   Eigen::Index cols() const;
+
+  bool operator==(const BlockDiagonalLDLT &other) const;
 };
 
 struct BlockDiagonal {
@@ -248,6 +250,11 @@ inline const BlockDiagonalLDLT &BlockDiagonalLDLT::adjoint() const {
   return *this;
 }
 
+inline bool
+BlockDiagonalLDLT::operator==(const BlockDiagonalLDLT &other) const {
+  return blocks == other.blocks;
+}
+
 /*
  * Block Diagonal
  */