aboutsummaryrefslogtreecommitdiff
path: root/Examples/SimpleWaveCaKernel/src/CaKernel__copy_to_device.code
diff options
context:
space:
mode:
Diffstat (limited to 'Examples/SimpleWaveCaKernel/src/CaKernel__copy_to_device.code')
-rw-r--r--Examples/SimpleWaveCaKernel/src/CaKernel__copy_to_device.code77
1 files changed, 77 insertions, 0 deletions
diff --git a/Examples/SimpleWaveCaKernel/src/CaKernel__copy_to_device.code b/Examples/SimpleWaveCaKernel/src/CaKernel__copy_to_device.code
new file mode 100644
index 0000000..24b4566
--- /dev/null
+++ b/Examples/SimpleWaveCaKernel/src/CaKernel__copy_to_device.code
@@ -0,0 +1,77 @@
+#undef KRANC_DIFF_FUNCTIONS
+#define KRANC_C
+#include "Differencing.h"
+#include "GenericFD.h"
+
+#undef KRANC_GFOFFSET3D
+#define KRANC_GFOFFSET3D(u,i,j,k) I3D(u,i,j,k)
+
+
+/* Define macros used in calculations */
+#define INITVALUE (42)
+#define QAD(x) (SQR(SQR(x)))
+#define INV(x) ((1.0) / (x))
+#define SQR(x) ((x) * (x))
+#define CUB(x) ((x) * (x) * (x))
+
+CAKERNEL_copy_to_device_Begin
+
+ /* Include user-supplied include files */
+
+ /* Initialise finite differencing variables */
+ CCTK_REAL const dx = params.cagh_dx;
+ CCTK_REAL const dy = params.cagh_dy;
+ CCTK_REAL const dz = params.cagh_dz;
+ CCTK_REAL const dt = params.cagh_dt;
+ CCTK_REAL const t = params.cagh_time;
+ CCTK_REAL const dxi = INV(dx);
+ CCTK_REAL const dyi = INV(dy);
+ CCTK_REAL const dzi = INV(dz);
+ CCTK_REAL const khalf = 0.5;
+ CCTK_REAL const kthird = 1/3.0;
+ CCTK_REAL const ktwothird = 2.0/3.0;
+ CCTK_REAL const kfourthird = 4.0/3.0;
+ CCTK_REAL const keightthird = 8.0/3.0;
+ CCTK_REAL const hdxi = 0.5 * dxi;
+ CCTK_REAL const hdyi = 0.5 * dyi;
+ CCTK_REAL const hdzi = 0.5 * dzi;
+
+ /* Initialize predefined quantities */
+ CCTK_REAL const p1o2dx = 0.5*INV(dx);
+ CCTK_REAL const p1o2dy = 0.5*INV(dy);
+ CCTK_REAL const p1o2dz = 0.5*INV(dz);
+ CCTK_REAL const p1odx2 = INV(SQR(dx));
+ CCTK_REAL const p1ody2 = INV(SQR(dy));
+ CCTK_REAL const p1odz2 = INV(SQR(dz));
+
+ /* Assign local copies of arrays functions */
+
+
+
+ /* Calculate temporaries and arrays functions */
+
+ /* Copy local copies back to grid functions */
+ CAKERNEL_copy_to_device_Computations_Begin
+
+ /* Assign local copies of grid functions */
+
+ CCTK_REAL phiL = I3D(phi,0,0,0);
+ CCTK_REAL piL = I3D(pi,0,0,0);
+
+
+ /* Include user supplied include files */
+
+ /* Precompute derivatives */
+
+ /* Calculate temporaries and grid functions */
+ phiL = phiL;
+
+ piL = piL;
+
+ /* Copy local copies back to grid functions */
+ I3D(phi,0,0,0) = phiL;
+ I3D(pi,0,0,0) = piL;
+
+ CAKERNEL_copy_to_device_Computations_End
+
+CAKERNEL_copy_to_device_End