nce_layer cannot accept neg_distribution #1778
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reyoung commented Apr 12, 2017
| assert isinstance(neg_distribution, collections.Sequence) | ||
| assert len(neg_distribution) == num_classes | ||
| assert sum(neg_distribution) == 1 | ||
| assert abs(sum(neg_distribution) - 1.0) < 1e-5 |
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这个neg_distribution是一些实数的数组，相加永远不可能等于一个整数
luotao1 approved these changes Apr 12, 2017
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