From e8dd42202b9a7d35aa4328e4a70f373b662e1b12 Mon Sep 17 00:00:00 2001
From: Antonio Vilches <antonio.vilches@shapelets.io>
Date: Thu, 30 Jul 2020 23:45:46 +0200
Subject: [PATCH] Adding safeguards to avoid failing corner cases

---
 src/khiva/dimensionality.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/khiva/dimensionality.cpp b/src/khiva/dimensionality.cpp
index 80e632a..e0fd958 100644
--- a/src/khiva/dimensionality.cpp
+++ b/src/khiva/dimensionality.cpp
@@ -674,7 +674,11 @@ af::array khiva::dimensionality::visvalingam(const af::array &pointList, int num
         points.emplace_back(x[i], y[i]);
     }
 
-    std::vector<Point> rPoints = visvalingam(points, numPoints);
+    std::vector<Point> rPoints = points;
+    if (points.size() > numPoints) {
+        rPoints = visvalingam(points, numPoints);
+    }
+
     af::array out = af::constant(0, rPoints.size(), 2);
 
     std::vector<float> vx;