From 6de5ed08d88239080b9381f60f75e5abea731d75 Mon Sep 17 00:00:00 2001
From: Rasmus Munk Larsen <rmlarsen@google.com>
Date: Thu, 19 Sep 2019 12:48:30 -0700
Subject: Add generic PacketMath implementation of the Error Function (erf).

---
 Eigen/src/Core/arch/NEON/MathFunctions.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'Eigen/src/Core/arch/NEON/MathFunctions.h')

diff --git a/Eigen/src/Core/arch/NEON/MathFunctions.h b/Eigen/src/Core/arch/NEON/MathFunctions.h
index fdee9f9b4..13e3f4989 100644
--- a/Eigen/src/Core/arch/NEON/MathFunctions.h
+++ b/Eigen/src/Core/arch/NEON/MathFunctions.h
@@ -36,6 +36,20 @@ Packet4f pcos<Packet4f>(const Packet4f& x)
   return pcos_float(x);
 }
 
+// Hyperbolic Tangent function.
+template <>
+EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS EIGEN_UNUSED Packet4f
+ptanh<Packet4f>(const Packet4f& x) {
+  return internal::generic_fast_tanh_float(x);
+}
+
+// Error function.
+template <>
+EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS EIGEN_UNUSED Packet4f
+perf<Packet4f>(const Packet4f& x) {
+  return internal::generic_fast_erf_float(x);
+}
+
 } // end namespace internal
 
 } // end namespace Eigen
-- 
cgit v1.2.3