From 1841d6d4c349e1e1d64820a26aaab5df30750400 Mon Sep 17 00:00:00 2001
From: Benoit Steiner <benoit.steiner.goog@gmail.com>
Date: Tue, 29 Mar 2016 13:29:34 -0700
Subject: [PATCH] Added missing cuda template specializations for numext::ceil

---
 Eigen/src/Core/MathFunctions.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Eigen/src/Core/MathFunctions.h b/Eigen/src/Core/MathFunctions.h
index 6ffad6c29..000cafee7 100644
--- a/Eigen/src/Core/MathFunctions.h
+++ b/Eigen/src/Core/MathFunctions.h
@@ -962,6 +962,15 @@ T (ceil)(const T& x)
   return ceil(x);
 }
 
+#ifdef __CUDACC__
+template<> EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE
+float ceil(const float &x) { return ::ceilf(x); }
+
+template<> EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE
+double ceil(const double &x) { return ::ceil(x); }
+#endif
+
+
 /** Log base 2 for 32 bits positive integers.
   * Conveniently returns 0 for x==0. */
 inline int log2(int x)