fix cross_entropy bug of the axis parameter in log_softmax#27311

Merged

shippingwang merged 2 commits intoPaddlePaddle:developfrom

chajchaj:api20_ce_rc

Sep 18, 2020

Commits on Sep 15, 2020

fix the axis param of log_softmax in cross_entropy
chajchaj
committed

Commits on Sep 17, 2020

change the default value of log_softmax's parameter axis in test_cross_entropy_loss.py, test=develop
chajchaj
committed