`rem` not defined

[milankl]

julia> mod(1f0, 1)
0.0f0

julia> mod(BFloat16(1f0), 1)
ERROR: rem not defined for BFloat16
Stacktrace:
 [1] error(::String, ::String, ::Type)
   @ Base ./error.jl:44
 [2] no_op_err(name::String, T::Type)
   @ Base ./promotion.jl:624
 [3] rem(x::BFloat16, y::BFloat16)
   @ Base ./promotion.jl:643
 [4] mod(x::BFloat16, y::BFloat16)
   @ Base ./float.jl:605
 [5] mod(x::BFloat16, y::Int64)
   @ Base ./promotion.jl:488
 [6] top-level scope
   @ REPL[5]:1