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Fix ell0 in PS from file and broadcast amplitude #33

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Fix ell0 in PS from file and broadcast amplitude #33

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7a4829c
Fix ell0 in PS from file and broadcast amplitude
dpole Apr 15, 2020
32b06b8
ell_0 removed
dpole Apr 15, 2020
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22 changes: 19 additions & 3 deletions fgspectra/power.py
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Original file line number Diff line number Diff line change
Expand Up @@ -79,9 +79,25 @@ def __init__(self, filenames, **kwargs):
self._cl[i+(ell,)] = spec
self.set_defaults(**kwargs)

def eval(self, ell=None, ell_0=None, amp=1.0):
"""Compute the power spectrum with the given ell and parameters."""
return amp * self._cl[..., ell] / self._cl[..., ell_0, np.newaxis]
def eval(self, ell=None, amp=1.0):
"""

Parameters
----------
ell: float or array
Multipoles
amp: float or array
Multiply the templates contructed from the files with this
amplitude (its shape must be compatible with them,
ell-dimension excluded).

Returns
-------
cl: ndarray
The last dimension is ell.
"""
amp = np.array(amp)[..., np.newaxis]
return amp * self._cl[..., ell]


class tSZ_150_bat(PowerSpectrumFromFile):
Expand Down