From 5abb05e7bc9f4725b0cc3f4b4ed6fedfb8d6d5ff Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89milie=20Feral?= <emilie.feral@numworks.com>
Date: Mon, 21 Jan 2019 17:54:11 +0100
Subject: [PATCH] [poincare] Store: implementation of deepReduceChildren should
 recursively test that the children are not matrix (or enable the interruption
 flag)

---
 poincare/src/store.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/poincare/src/store.cpp b/poincare/src/store.cpp
index a38327460..52b17fac4 100644
--- a/poincare/src/store.cpp
+++ b/poincare/src/store.cpp
@@ -16,6 +16,10 @@ extern "C" {
 namespace Poincare {
 
 void StoreNode::deepReduceChildren(Context & context, Preferences::ComplexFormat complexFormat, Preferences::AngleUnit angleUnit, ExpressionNode::ReductionTarget target) {
+  // Interrupt simplification if the expression stored contains a matrix
+  if (Expression(childAtIndex(0)).recursivelyMatches([](const Expression e, Context & context, bool replaceSymbols) { return Expression::IsMatrix(e, context, replaceSymbols); }, context, true)) {
+    Expression::SetInterruption(true);
+  }
   return;
 }