From d5bdcfd66e0bc39d7b1b198aa54f4f2c59ee6242 Mon Sep 17 00:00:00 2001
From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Wed, 17 Jan 2018 21:06:59 -0700
Subject: [PATCH] Fix CUDAVector::add_and_dot() for complex-valued vectors.

---
 source/lac/cuda_vector.cu | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/lac/cuda_vector.cu b/source/lac/cuda_vector.cu
index 355383bf27..41501d8968 100644
--- a/source/lac/cuda_vector.cu
+++ b/source/lac/cuda_vector.cu
@@ -451,7 +451,7 @@ namespace LinearAlgebra
         if (global_idx < N)
           {
             v1[global_idx] += a*v2[global_idx];
-            res_buf[local_idx] = v1[global_idx]*v3[global_idx];
+            res_buf[local_idx] = v1[global_idx] * Number(numbers::NumberTraits<Number>::conjugate(v3[global_idx]));
           }
         else
           res_buf[local_idx] = 0.;
-- 
2.39.5