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Fix PE Unmixing #368

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Fix PE Unmixing #368

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49 changes: 36 additions & 13 deletions heracles/unmixing.py
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Original file line number Diff line number Diff line change
Expand Up @@ -79,10 +79,8 @@ def _natural_unmixing(d, wm, fields, lmax=None):
# Grab metadata
dtype = _d.array.dtype
# pad cls
_d = np.atleast_2d(_d.array)
pad_width = [(0, 0)] * _d.ndim # no padding for other dims
pad_width[-1] = (0, lmax_mask - lmax) # pad only last dim
_d = np.pad(_d, pad_width, mode="constant", constant_values=0)
pad_width = [(0, 0)] * (_d.ndim - 1) + [(0, lmax_mask - lmax)]
_d = np.pad(_d, pad_width)
if (s1 != 0) and (s2 != 0):
__d = np.array(
[
Expand Down Expand Up @@ -113,17 +111,42 @@ def _natural_unmixing(d, wm, fields, lmax=None):
_corr_d[1, 1] = __corr_d[2] # BB like spin-2
_corr_d[0, 1] = -__icorr_d[1] # EB like spin-0
_corr_d[1, 0] = __icorr_d[2] # EB like spin-0
elif (s1 != 0) or (s2 != 0):
__dp = np.array(
[
np.zeros_like(_d[0]),
np.zeros_like(_d[0]),
np.zeros_like(_d[0]),
_d[0]+_d[1], # TE like spin-2
])
__dm = np.array(
[
np.zeros_like(_d[0]),
np.zeros_like(_d[0]),
np.zeros_like(_d[0]),
_d[0]-_d[1], # TE like spin-2
])
# Correct by alpha
wp = cl2corr(__dp.T).T
wm = cl2corr(__dm.T).T
corr_wp = (wp / _wm).real
corr_wm = (wm / _wm).imag
# Transform back to Cl
corr_dp = corr2cl(corr_wp.T).T
corr_dm = corr2cl(corr_wm.T).T
# reorder
_corr_d = np.zeros_like(_d)
_corr_d[0] = 0.5 * (corr_dp[3]+corr_dm[3]) # TE
_corr_d[1] = 0.5 * (corr_dp[3]-corr_dm[3]) # TB
print("shape of _d:", np.zeros_like(_d).shape)
print("shape of corr_d:", np.zeros_like(_corr_d).shape)
print(corr_dp[3].shape, corr_dm[3].shape)
else:
# Treat everything as spin-0
_corr_d = []
for cl in _d:
wd = cl2corr(cl).T
corr_wd = wd / _wm
# Transform back to Cl
__corr_d = corr2cl(corr_wd.T).T
_corr_d.append(__corr_d[0])
# remove extra axis
_corr_d = np.squeeze(_corr_d)
wd = cl2corr(_d).T
corr_wd = wd / _wm
# Transform back to Cl
_corr_d = corr2cl(corr_wd.T).T[0]
# Add metadata back
_corr_d = np.array(list(_corr_d), dtype=dtype)
corr_d[key] = replace(d[key], array=_corr_d)
Expand Down
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