Apply suggestions from code review

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: lachlangrose

LoopStructural/interpolators/_discrete_interpolator.py

@@ -686,7 +686,7 @@ def solve_system(
             solver_kwargs.pop("x0", None)
             if Q is None:
                 logger.warning("No inequality constraints, using lsmr")
-                return self.solve_system("lsmr", solver_kwargs)
+                return self.solve_system("lsmr", solver_kwargs=solver_kwargs)
 
             try:
                 from loopsolver import admm_solve

LoopStructural/interpolators/supports/_3d_base_structured.py

@@ -285,6 +285,7 @@ def position_to_cell_global_index(self, pos):
 
     def inside(self, pos):
         # check whether point is inside box
+        pos = self.check_position(pos)
         inside = np.all((pos > self.origin) & (pos < self.maximum), axis=1)
         return inside