X-Git-Url: https://fleuret.org/cgi-bin/gitweb/gitweb.cgi?a=blobdiff_plain;f=tasks.py;h=0ab18233a72e27b5b0b02e96a21abd5009d37ad6;hb=ce969e8372fb161d86be29042a20b044ee6efe2a;hp=c7348d50653cbb58ace6e040bf861b7028513e9e;hpb=6f61f9438799d65c980726e28546f8775bf83a60;p=picoclvr.git

diff --git a/tasks.py b/tasks.py
index c7348d5..0ab1823 100755
--- a/tasks.py
+++ b/tasks.py
@@ -1429,7 +1429,7 @@ class Grid(Task):
     def tensorize(self, descr):
         token_descr = [s.strip().split(" ") for s in descr]
         l = max([len(s) for s in token_descr])
-        token_descr = [s + ["<nul>"] * (l - len(s)) for s in token_descr]
+        token_descr = [s + ["#"] * (l - len(s)) for s in token_descr]
         id_descr = [[self.token2id[u] for u in s] for s in token_descr]
         return torch.tensor(id_descr, device=self.device)
 
@@ -1440,7 +1440,7 @@ class Grid(Task):
     # trim all the tensors in the tuple z to remove as much token from
     # left and right in the first tensor. If z is a tuple, all its
     # elements are trimed according to the triming for the first
-    def trim(self, z, token="<nul>"):
+    def trim(self, z, token="#"):
         n = self.token2id[token]
         if type(z) == tuple:
             x = z[0]
@@ -1483,7 +1483,7 @@ class Grid(Task):
         )
 
         # Build the tokenizer
-        tokens = {}
+        tokens = set()
         for d in [self.train_descr, self.test_descr]:
             for s in d:
                 for t in s.strip().split(" "):
@@ -1492,10 +1492,10 @@ class Grid(Task):
         # the same descr
         tokens = list(tokens)
         tokens.sort()
-        tokens = ["<nul>"] + tokens
+        tokens = ["#"] + tokens
         self.token2id = dict([(t, n) for n, t in enumerate(tokens)])
         self.id2token = dict([(n, t) for n, t in enumerate(tokens)])
-        self.t_nul = self.token2id["<nul>"]
+        self.t_nul = self.token2id["#"]
         self.t_true = self.token2id["<true>"]
         self.t_false = self.token2id["<false>"]