From 12cde59008e15abb935a2177a2a4ed3038841c96 Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Sun, 3 Feb 2019 19:46:01 +0100
Subject: Add ceil function for our Vector class

---
 src/utilities/vectorHelpers.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/utilities/vectorHelpers.h b/src/utilities/vectorHelpers.h
index 17453dd..e4fc958 100644
--- a/src/utilities/vectorHelpers.h
+++ b/src/utilities/vectorHelpers.h
@@ -188,6 +188,17 @@ Vector<T,Size> ceil(const Vector<T,Size>& a)
   return out;
 }
 
+/// applies ceil to each component of a vector
+template <typename T, unsigned Size>
+Vector<T,Size> ceil(const Vector<T,Size>& a)
+{
+  Vector<T,Size> out;
+  for (unsigned int iDim=0; iDim < Size; ++iDim) {
+    out[iDim] = std::ceil(a[iDim]);
+  }
+  return out;
+}
+
 /*
 /// algorithm by Möller–Trumbore (TODO add ref), implemented by Lucas Cruz and Mathias J. Krause
 /// returns true if there is an intersection of a triangle given by (point0, point1, point1) and a ray given by its origin and direction and computes the distance
-- 
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