From d2c9ba4baa213683dacd63589d9589e6eaff4e7d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=A9a=20Saviot?= <lea.saviot@numworks.com>
Date: Thu, 1 Aug 2019 16:09:50 +0200
Subject: [PATCH] [poincare/matrix_inverse] Remove duplicate check if matrix is
 square

Also done in Matrix::createInverse
---
 poincare/src/matrix_inverse.cpp | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/poincare/src/matrix_inverse.cpp b/poincare/src/matrix_inverse.cpp
index 2590626ff..506fea1bb 100644
--- a/poincare/src/matrix_inverse.cpp
+++ b/poincare/src/matrix_inverse.cpp
@@ -51,14 +51,10 @@ Expression MatrixInverse::shallowReduce(ExpressionNode::ReductionContext reducti
   }
   Expression c = childAtIndex(0);
   if (c.type() == ExpressionNode::Type::Matrix) {
-    Matrix matrixChild = static_cast<Matrix&>(c);
-    if (matrixChild.numberOfRows() != matrixChild.numberOfColumns()) {
-      return replaceWithUndefinedInPlace();
-    }
     /* Power(matrix, -n) creates a matrixInverse, so the simplification must be
      * done here and not in power. */
     bool couldComputeInverse = false;
-    Expression result = matrixChild.createInverse(reductionContext, &couldComputeInverse);
+    Expression result = static_cast<Matrix&>(c).createInverse(reductionContext, &couldComputeInverse);
     if (couldComputeInverse) {
       replaceWithInPlace(result);
       return result.shallowReduce(reductionContext);