c_s_sq property

cli.py

@@ -30,14 +30,13 @@ def benchmark(x=10):
 )
 @click.option("--seed", type=int, help="Random number to be used as seed")
 def lbmweights(dimension, order, shells, seed):
-
     #shell_list = [int(x) for x in re.findall(u"\d+", shells)]
     #lattice = Lattice(
     #    dimension=dimension, order=order, shell_list=shell_list, seed=seed
     #)
+
     lattice = Lattice.from_name("D2Q9")
-    # benchmark(10)
-    print(lattice.velocity_set())
+
 
 
 if __name__ == "__main__":

lbmweights/lattice.py

@@ -176,6 +176,12 @@ class Lattice:
             return self._weights
         return self.calculate_weights()
 
+    @property
+    def c_s_sq(self):
+        if self._c_s_sq:
+            return self._c_s_sq
+        return self.velocity_set()[0]
+
     def shell_from_type(self, type):
         for shell in self._shells:
             if shell.type == type: