copr: fix wrong function cast double to double (#10370)
copr: fix wrong function cast double to double (#10370)

Signed-off-by: lzmhhh123 <lzmhhh123@gmail.com>

Co-authored-by: Ti Chi Robot <040e6455cde1c91e876ec337e785ce913eacba35@tidb.io>
BusyJay/tikv,BusyJay/tikv,BusyJay/tikv,BusyJay/tikv