From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Thu, 18 Jan 2018 04:06:59 +0000 (-0700)
Subject: Fix CUDAVector::add_and_dot() for complex-valued vectors.
X-Git-Tag: v9.0.0-rc1~553^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d5bdcfd66e0bc39d7b1b198aa54f4f2c59ee6242;p=dealii.git

Fix CUDAVector::add_and_dot() for complex-valued vectors.
---

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.;