fix

Author: fnrizzi

romtools/trial_space/__init__.py

@@ -90,7 +90,13 @@
 
 import abc
 import numpy as np
-from romtools.trial_space.utils import *
+from romtools.trial_space.utils import tensor_to_matrix, matrix_to_tensor
+from romtools.trial_space.utils.truncater import *
+from romtools.trial_space.utils.shifter import *
+from romtools.trial_space.utils.scaler import *
+from romtools.trial_space.utils.splitter import *
+from romtools.trial_space.utils.orthogonalizer import *
+
 
 class TrialSpace(abc.ABC):
     '''
@@ -242,7 +248,7 @@ def __init__(self,
 
         n_var = snapshots.shape[0]
         shifted_snapshots, self.__shift_vector = shifter(snapshots)
-        snapshot_matrix = utils.tensor_to_matrix(shifted_snapshots)
+        snapshot_matrix = tensor_to_matrix(shifted_snapshots)
         shifted_split_snapshots = splitter(snapshot_matrix)
 
         svd_picked = np.linalg.svd if svdFnc is None else svdFnc
@@ -318,14 +324,14 @@ def __init__(self, snapshots,
         n_var = snapshots.shape[0]
         shifted_snapshots, self.__shift_vector = shifter(snapshots)
         scaled_shifted_snapshots = scaler.pre_scaling(shifted_snapshots)
-        snapshot_matrix = utils.tensor_to_matrix(scaled_shifted_snapshots)
+        snapshot_matrix = tensor_to_matrix(scaled_shifted_snapshots)
         snapshot_matrix = splitter(snapshot_matrix)
 
         lsv, svals, _ = np.linalg.svd(snapshot_matrix, full_matrices=False)
         self.__basis = truncater(lsv, svals)
         self.__basis = matrix_to_tensor(n_var, self.__basis)
         self.__basis = scaler.post_scaling(self.__basis)
-        self.__basis = utils.tensor_to_matrix(self.__basis)
+        self.__basis = tensor_to_matrix(self.__basis)
         self.__basis = orthogonalizer(self.__basis)
         self.__basis = matrix_to_tensor(n_var, self.__basis)
         self.__dimension = self.__basis.shape[2]