Added missing packet primitives for CUDA.
diff --git a/Eigen/src/Core/arch/CUDA/PacketMath.h b/Eigen/src/Core/arch/CUDA/PacketMath.h
index 5b0abe2..7b481d5 100644
--- a/Eigen/src/Core/arch/CUDA/PacketMath.h
+++ b/Eigen/src/Core/arch/CUDA/PacketMath.h
@@ -216,6 +216,21 @@
to[stride*1] = from.y;
}
+template<> EIGEN_DEVICE_FUNC inline float pfirst<float4>(const float4& a) {
+ return a.x;
+}
+template<> EIGEN_DEVICE_FUNC inline double pfirst<double2>(const double2& a) {
+ return a.x;
+}
+
+template<> EIGEN_DEVICE_FUNC inline float4 pabs<float4>(const float4& a) {
+ return make_float4(fabs(a.x), fabs(a.y), fabs(a.z), fabs(a.w));
+}
+template<> EIGEN_DEVICE_FUNC inline double2 pabs<double2>(const double2& a) {
+ return make_double2(abs(a.x), abs(a.y));
+}
+
+
template<> EIGEN_DEVICE_FUNC inline void
ptranspose(PacketBlock<float4,4>& kernel) {
double tmp = kernel.packet[0].y;
