healpy.sphtfunc.Alm.getsize

static Alm.getsize(lmax, mmax=None)

Returns the size of the array needed to store alm up to lmax and mmax

Parameters :

lmax : int

The maximum l, defines the alm layout

mmax : int, optional

The maximum m, defines the alm layout. Default: lmax.

Returns :

size : int

The size of the array needed to store alm up to lmax, mmax.