From dae5c4d2d43375cdc17568c85251b5a09df1df96 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89milie=20Feral?= <emilie.feral@numworks.com>
Date: Mon, 17 Dec 2018 14:54:48 +0100
Subject: [PATCH] [poincare] Constant: i->ComplexCartesian(0,1) only if the
 reduction target is the user

---
 poincare/include/poincare/constant.h | 2 +-
 poincare/src/constant.cpp            | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/poincare/include/poincare/constant.h b/poincare/include/poincare/constant.h
index ef3a385c7..acf8be0a4 100644
--- a/poincare/include/poincare/constant.h
+++ b/poincare/include/poincare/constant.h
@@ -58,7 +58,7 @@ public:
   bool isIComplex() const { return node()->isIComplex(); }
 
   // Simplification
-  Expression shallowReduce(Context & context, Preferences::AngleUnit angleUnit);
+  Expression shallowReduce(Context & context, Preferences::AngleUnit angleUnit, ExpressionNode::ReductionTarget target);
 
 private:
   ConstantNode * node() const { return static_cast<ConstantNode *>(Expression::node()); }
diff --git a/poincare/src/constant.cpp b/poincare/src/constant.cpp
index 3eb6f53be..12fc9fae4 100644
--- a/poincare/src/constant.cpp
+++ b/poincare/src/constant.cpp
@@ -46,15 +46,15 @@ Evaluation<T> ConstantNode::templatedApproximate(Context& context, Preferences::
 }
 
 Expression ConstantNode::shallowReduce(Context & context, Preferences::AngleUnit angleUnit, ReductionTarget target) {
-  return Constant(this).shallowReduce(context, angleUnit);
+  return Constant(this).shallowReduce(context, angleUnit, target);
 }
 
 Constant::Constant(char name) : SymbolAbstract(TreePool::sharedPool()->createTreeNode<ConstantNode>(SymbolAbstract::AlignedNodeSize(1, sizeof(ConstantNode)))) {
   node()->setName(&name, 1);
 }
 
-Expression Constant::shallowReduce(Context & context, Preferences::AngleUnit angleUnit) {
-  if (isIComplex()) {
+Expression Constant::shallowReduce(Context & context, Preferences::AngleUnit angleUnit, ExpressionNode::ReductionTarget target) {
+  if (target == ExpressionNode::ReductionTarget::User && isIComplex()) {
     ComplexCartesian c = ComplexCartesian::Builder(Rational(0), Rational(1));
     replaceWithInPlace(c);
     return c;