adversarial_VLNDUET/map_nav_src/utils/misc.py
Shizhe Chen 747cf0587b init
2021-11-24 13:29:08 +01:00

18 lines
510 B
Python

import random
import numpy as np
import torch
def set_random_seed(seed):
torch.manual_seed(seed)
torch.cuda.manual_seed(seed)
torch.cuda.manual_seed_all(seed)
random.seed(seed)
np.random.seed(seed)
def length2mask(length, size=None):
batch_size = len(length)
size = int(max(length)) if size is None else size
mask = (torch.arange(size, dtype=torch.int64).unsqueeze(0).repeat(batch_size, 1)
> (torch.LongTensor(length) - 1).unsqueeze(1)).cuda()
return mask