[yt-dev] Issue #863: mach_number field has units "code_length" (yt_analysis/yt)

[Cameron Hummels]

New issue 863: mach_number field has units "code_length"
https://bitbucket.org/yt_analysis/yt/issue/863/mach_number-field-has-units-code_length

Cameron Hummels:

I realize that mach_number is unlikely to work with units of "mach" given that it is a dynamical unit, but it should have a dimensionless unit as opposed to "code_length".  i don't know how to set dimensionless units.