Extract cell indexing function

1 files changed, 14 insertions, 0 deletions

diff --git a/boltzgen/kernel/target/layout/SOA.py b/boltzgen/kernel/target/layout/SOA.py
new file mode 100644
index 0000000..8f126ff
--- /dev/null
+++ b/boltzgen/kernel/target/layout/SOA.py
@@ -0,0 +1,14 @@
+class SOA:
+    def __init__(self, descriptor, cell_index, geometry):
+        self.descriptor = descriptor
+        self.cell_index = cell_index
+        self.geometry = geometry
+
+    def cell_preshift(self, gid):
+        return gid
+
+    def pop_offset(self, i):
+        return i * self.geometry.volume
+
+    def neighbor_offset(self, c_i):
+        return self.cell_index.neighbor(c_i)