add check
add check


Former-commit-id: 2f19c3129c95f021951e7c5e45b7f99fc878f251
clab/dynet,shuheik/dynet,chunyang-wen/dynet,xunzhang/dynet,shuheik/dynet,clab/cnn,danielhers/dynet,shuheik/dynet,shuheik/dynet,shuheik/dynet,clab/dynet,clab/dynet,chunyang-wen/dynet,shuheik/dynet,xunzhang/dynet,clab/dynet,clab/cnn,danielhers/dynet,shuheik/dynet,danielhers/dynet,chunyang-wen/dynet,clab/cnn,xunzhang/dynet,danielhers/dynet,danielhers/dynet,chunyang-wen/dynet,xunzhang/dynet,clab/dynet,clab/dynet,danielhers/dynet,clab/dynet,danielhers/dynet