hmf.core.units.littleh_power

hmf.core.units.littleh_power(unit: UnitBase) → float[source]

Return the power of littleh in unit (0 if it has none).

Parameters:

unit – Any astropy unit.

Returns:

E.g. -1 for Msun_h, 4 for dndm_unit, 0 for u.Msun.

Return type:

float

Examples

>>> littleh_power(Msun_h)
-1.0