From 048c4d6efd34ae26cebf5a6b662d4480dfe61f0e Mon Sep 17 00:00:00 2001
From: Benoit Steiner <benoit.steiner.goog@gmail.com>
Date: Fri, 11 Mar 2016 17:21:42 -0800
Subject: Made half floats usable on hardware that doesn't support them
 natively.

---
 Eigen/src/Core/arch/CUDA/PacketMathHalf.h | 46 -------------------------------
 1 file changed, 46 deletions(-)

(limited to 'Eigen/src/Core/arch/CUDA/PacketMathHalf.h')

diff --git a/Eigen/src/Core/arch/CUDA/PacketMathHalf.h b/Eigen/src/Core/arch/CUDA/PacketMathHalf.h
index 9e3c51d49..9e1d87062 100644
--- a/Eigen/src/Core/arch/CUDA/PacketMathHalf.h
+++ b/Eigen/src/Core/arch/CUDA/PacketMathHalf.h
@@ -19,55 +19,9 @@
 
 #if defined(__CUDA_ARCH__) && __CUDA_ARCH__ >= 300
 
-// The following operations require arch >= 5.3
-#if  __CUDA_ARCH__ >= 530
-__device__ half operator + (const half& a, const half& b) {
-  return __hadd(a, b);
-}
-__device__ half operator * (const half& a, const half& b) {
-  return __hmul(a, b);
-}
-__device__ half operator - (const half& a, const half& b) {
-  return __hsub(a, b);
-}
-__device__ half operator / (const half& a, const half& b) {
-  float num = __half2float(a);
-  float denom = __half2float(b);
-  return __float2half(num / denom);
-}
-__device__ half operator - (const half& a) {
-  return __hneg(a);
-}
-__device__ half& operator += (half& a, const half& b) {
-   a = a + b;
-   return a;
-}
-__device__ half& operator *= (half& a, const half& b) {
-  a = a * b;
-  return a;
-}
-__device__ half& operator -= (half& a, const half& b) {
-  a = a - b;
-  return a;
-}
-__device__ half& operator /= (half& a, const half& b) {
-  a = a / b;
-  return a;
-}
-
-namespace std {
-__device__ half abs(const half& a) {
-  half result;
-  result.x = a.x & 0x7FFF;
-  return result;
-}
-}
-#endif
-
 namespace Eigen {
 namespace internal {
 
-template<> struct is_arithmetic<half> { enum { value = true }; };
 template<> struct is_arithmetic<half2> { enum { value = true }; };
 
 template<> struct packet_traits<half> : default_packet_traits
-- 
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