examples/filters/fblock: reorganise source code (add missing file)

examples/filters/fblock_cpu.c

@@ -0,0 +1,37 @@
+/*
+ * StarPU
+ * Copyright (C) INRIA 2008-2010 (see AUTHORS file)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * See the GNU Lesser General Public License in COPYING.LGPL for more details.
+ */
+
+#include <starpu.h>
+
+void cpu_func(void *buffers[], void *cl_arg)
+{
+        unsigned i, j, k;
+        int *factor = cl_arg;
+	int *block = (int *)STARPU_BLOCK_GET_PTR(buffers[0]);
+	int nx = (int)STARPU_BLOCK_GET_NX(buffers[0]);
+	int ny = (int)STARPU_BLOCK_GET_NY(buffers[0]);
+	int nz = (int)STARPU_BLOCK_GET_NZ(buffers[0]);
+        unsigned ldy = STARPU_BLOCK_GET_LDY(buffers[0]);
+        unsigned ldz = STARPU_BLOCK_GET_LDZ(buffers[0]);
+
+        for(k=0; k<nz ; k++) {
+                for(j=0; j<ny ; j++) {
+                        for(i=0; i<nx ; i++)
+                                block[(k*ldz)+(j*ldy)+i] = *factor;
+                }
+        }
+}
+