From 071503b43ac2f3de03cb88e760c8afcf3d928f1e Mon Sep 17 00:00:00 2001
From: epezent <epezent@rice.edu>
Date: Wed, 2 Sep 2020 16:09:57 -0500
Subject: [PATCH] extend previous commit based on  #50 for vertical lines (e.g.
 for x-axis)

---
 implot.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/implot.cpp b/implot.cpp
index e113c87..242f152 100644
--- a/implot.cpp
+++ b/implot.cpp
@@ -1597,6 +1597,10 @@ void EndPlot() {
         if (gp.FitX && !ImHasFlag(plot.XAxis.Flags, ImPlotAxisFlags_LockMax) && !NanOrInf(gp.ExtentsX.Max)) {
             plot.XAxis.Range.Max = gp.ExtentsX.Max;
         }
+        if ((plot.XAxis.Range.Max - plot.XAxis.Range.Min) <= (2.0 * FLT_EPSILON))  {
+            plot.XAxis.Range.Max += FLT_EPSILON;
+            plot.XAxis.Range.Min -= FLT_EPSILON;
+        }
         for (int i = 0; i < IMPLOT_Y_AXES; i++) {
             if (gp.FitY[i] && !ImHasFlag(plot.YAxis[i].Flags, ImPlotAxisFlags_LockMin) && !NanOrInf(gp.ExtentsY[i].Min)) {
                 plot.YAxis[i].Range.Min = gp.ExtentsY[i].Min;