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

diff --git a/source/lac/cuda_vector.cu b/source/lac/cuda_vector.cu
index 355383bf27015db3cff2191c72dd63cb80618a08..41501d896889d5f4486d284f7b43b13c0cde469b 100644 (file)
--- 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.;