change input data type and decrease max_relative_error value in test_check_grad for grop_nom_op test !21608
Created by: lijianshe02
把group_norm op单测中输入数据类型从float32修改为float64, 并修改反向梯度精度对比时的max_relative_error值从0.01降低到0.005 related #21502 (closed)
Created by: lijianshe02
把group_norm op单测中输入数据类型从float32修改为float64, 并修改反向梯度精度对比时的max_relative_error值从0.01降低到0.005 related #21502 (closed)