JuliaLang/julia — pull request #1535 by nolta (2012-11-13 00:06:22+00:00)
Title: RFC: float32 literals

```
julia> 1f0
1.0

julia> typeof(ans)
Float32

julia> 1.3f10
1.3e10

julia> typeof(ans)
Float32
```

Inspired by fortran, where `4.3` is single precision and `4.3d0` is double precision.