From 164265927286caabfcefa241313a2d54d377d41b Mon Sep 17 00:00:00 2001
From: Tom Deakin <tom.deakin@bristol.ac.uk>
Date: Wed, 8 Jan 2020 10:07:41 +0000
Subject: [PATCH] Use 1D index for initialisation

---
 heat_sycl.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/heat_sycl.cpp b/heat_sycl.cpp
index 2a04a16..4110461 100644
--- a/heat_sycl.cpp
+++ b/heat_sycl.cpp
@@ -189,7 +189,7 @@ void initial_value(cl::sycl::queue& queue, const unsigned int n, const double dx
       int j = idx[0];
       double y = dx * (j+1); // Physical y position
       double x = dx * (i+1); // Physical x position
-      ua[j][i] = cl::sycl::sin(PI * x / length) * cl::sycl::sin(PI * y / length);
+      ua[idx] = cl::sycl::sin(PI * x / length) * cl::sycl::sin(PI * y / length);
     });
   });
 }