potential fix

Author: cgcgcg

fem/PyNucleus_fem/distributed_operators_{SCALAR}.pxi

@@ -116,6 +116,7 @@ cdef class {SCALAR_label}CSR_DistributedLinearOperator({SCALAR_label}Distributed
         else:
             w = y
 
+        w[:] = 0.
         for k in range(self.overlap_indices.shape[0]):
             i = self.overlap_indices[k]
             temp = 0.0
@@ -162,6 +163,7 @@ cdef class {SCALAR_label}CSR_DistributedLinearOperator({SCALAR_label}Distributed
         else:
             w = resAcc
 
+        w[:] = 0.
         for k in range(self.overlap_indices.shape[0]):
             i = self.overlap_indices[k]
             temp = rhs[i]