From 51eabf08e1521c95d5ffbcc268964ce5c273e0f8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89milie=20Feral?= <emilie.feral@numworks.com>
Date: Mon, 30 Mar 2020 16:04:59 +0200
Subject: [PATCH] [python] matplotlib: fix PlotStore::initRange for an only dot

---
 python/port/mod/matplotlib/pyplot/plot_store.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/python/port/mod/matplotlib/pyplot/plot_store.cpp b/python/port/mod/matplotlib/pyplot/plot_store.cpp
index 68b61ae98..4eeb49d63 100644
--- a/python/port/mod/matplotlib/pyplot/plot_store.cpp
+++ b/python/port/mod/matplotlib/pyplot/plot_store.cpp
@@ -176,6 +176,9 @@ void checkPositiveRangeAndAddMargin(float * min, float * max) {
   }
   // Add margins
   float margin = (*max - *min)/10.0f;
+  if (margin < FLT_EPSILON) {
+    margin = 1.0f;
+  }
   *min -= margin;
   *max += margin;
 }