zjuzuhe

My apologies.Error like that ``` 1> yolo_output.cu 1>d:\python3ex\mxnetyolo\mxnet\src\operator\contrib\./yolo_output-inl.h(61): error C2398: conversion from 'double' to 'float' requires a narrowing conversion 1>d:\python3ex\mxnetyolo\mxnet\src\operator\contrib\./yolo_output-inl.h(61): error C2398: conversion from 'double' to 'float' requires a narrowing...

Thx.I had force it to be float in another way. It seems to be OK.