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@ -147,7 +147,7 @@ def make_pad_mask(lengths, xs=None, length_dim=-1):
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seq_range = paddle.arange(0, maxlen, dtype=paddle.int64)
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seq_range_expand = seq_range.unsqueeze(0).expand([bs, maxlen])
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seq_length_expand = lengths.unsqueeze(-1)
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mask = seq_range_expand >= seq_length_expand
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mask = seq_range_expand >= seq_length_expand.cast(seq_range_expand.dtype)
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if xs is not None:
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assert paddle.shape(xs)[0] == bs, (paddle.shape(xs)[0], bs)
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