fits2cl*
call fits2cl*( filename, clin, lmax, ncl, header, [units] )
Reads a power spectrum from the FITS file `cl.fits' and stores the result in cl(0:lmax,1:ncl) which are the nclcoefficients up to
lmax. The FITS header is returned in header, the column units in units.
Version 3.50, 2018-12-10