From e6fcee995b0083e5652c79957090684a47a727c3 Mon Sep 17 00:00:00 2001
From: Rasmus Munk Larsen <rmlarsen@google.com>
Date: Thu, 9 Jan 2020 00:04:26 +0000
Subject: Don't use the rational approximation to the logistic function on GPUs
 as it appears to be slightly slower.

---
 Eigen/src/Core/functors/UnaryFunctors.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'Eigen/src/Core/functors')

diff --git a/Eigen/src/Core/functors/UnaryFunctors.h b/Eigen/src/Core/functors/UnaryFunctors.h
index 410cc6f58..a07ddaa30 100644
--- a/Eigen/src/Core/functors/UnaryFunctors.h
+++ b/Eigen/src/Core/functors/UnaryFunctors.h
@@ -924,6 +924,7 @@ struct scalar_logistic_op {
   }
 };
 
+#ifndef EIGEN_GPU_COMPILE_PHASE
 /** \internal
   * \brief Template specialization of the logistic function for float.
   *
@@ -1007,6 +1008,7 @@ struct scalar_logistic_op<float> {
     }
   }
 };
+#endif  // #ifndef EIGEN_GPU_COMPILE_PHASE
 
 template <typename T>
 struct functor_traits<scalar_logistic_op<T> > {
-- 
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