From f44c086804ca020a3028ca3598f7d3f1a38f60b6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=A9a=20Saviot?= <lea.saviot@numworks.com>
Date: Wed, 28 Aug 2019 17:23:31 +0200
Subject: [PATCH] [apps/cartesian_function] Fix angle conversion

---
 apps/shared/cartesian_function.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/apps/shared/cartesian_function.cpp b/apps/shared/cartesian_function.cpp
index e8e0643c5..c5fd33fb9 100644
--- a/apps/shared/cartesian_function.cpp
+++ b/apps/shared/cartesian_function.cpp
@@ -121,7 +121,14 @@ Poincare::Coordinate2D<T> CartesianFunction::privateEvaluateXYAtParameter(T t, P
   }
   assert(type == PlotType::Polar);
   T factor = (T)1.0;
-  // TODO LEA RUBEN
+  Preferences::AngleUnit angleUnit = Preferences::sharedPreferences()->angleUnit();
+  if (angleUnit == Preferences::AngleUnit::Degree) {
+    factor = (T) (M_PI/180.0);
+  } else if (angleUnit == Preferences::AngleUnit::Gradian) {
+    factor = (T) (M_PI/200.0);
+  } else {
+    assert(angleUnit == Preferences::AngleUnit::Radian);
+  }
   return Coordinate2D<T>(x1x2.x2() * std::cos(x1x2.x1()*factor), x1x2.x2() * std::sin(x1x2.x1()*factor));
 }