summaryrefslogtreecommitdiff
path: root/test-chill/test-cases/examples/cuda-chill/cp.c
diff options
context:
space:
mode:
Diffstat (limited to 'test-chill/test-cases/examples/cuda-chill/cp.c')
-rw-r--r--test-chill/test-cases/examples/cuda-chill/cp.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/test-chill/test-cases/examples/cuda-chill/cp.c b/test-chill/test-cases/examples/cuda-chill/cp.c
new file mode 100644
index 0000000..837d7a6
--- /dev/null
+++ b/test-chill/test-cases/examples/cuda-chill/cp.c
@@ -0,0 +1,29 @@
+#define N 1
+
+#define VOLSIZEY 512
+#define VOLSIZEX 512
+#define VOLSIZEZ 1
+#define ATOMCOUNT 4000
+#define GRIDSPACING 0.1
+#define zDim 0
+
+extern float sqrtf(float);
+
+void cenergy_cpu(float atoms[ATOMCOUNT*4],float *energy,float z)
+{
+int i,j,n;float dx,dy,dz;
+
+ for (j=0; j<VOLSIZEY; j++) {
+ for (i=0; i<VOLSIZEX; i++) {
+ for (n=0;n<ATOMCOUNT;n+=4) {
+ dx = (GRIDSPACING * i) - atoms[n];
+ dy = (GRIDSPACING * j) - atoms[n+1];
+ dz = z - atoms[n+2];
+ energy[(j*VOLSIZEX + i)+VOLSIZEX*VOLSIZEY*zDim] += atoms[n+3]/sqrtf( (dx*dx) + (dy*dy)+ (dz*dz) ) ;
+ }
+
+
+ }
+ }
+}
+