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implemented distributed almxfl

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This commit is contained in:
Andrea Zonca 2017-10-30 12:37:01 -07:00
parent 6bcd33a6da
commit 9673a3b427
1 changed files with 12 additions and 0 deletions
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12
python/libsharp/libsharp.pyx
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@ -246,6 +246,18 @@ cdef class alm_info:
sharp_destroy_alm_info(self.ainfo) sharp_destroy_alm_info(self.ainfo)
self.ainfo = NULL self.ainfo = NULL
def almxfl(self, np.ndarray[double, ndim=3, mode='c'] alm, np.ndarray[double, ndim=1, mode='c'] fl, int rank):
"""Multiply Alm by a Ell based array
For example beam smoothing"""
mvstart = 0
for m in self.mval():
f = 1 if (m==0) else 2
num_ells = self.ainfo.lmax + 1 - m
for i_l in range(num_ells):
l = m + i_l
alm[:,:,mvstart + f*i_l:mvstart + f*i_l +f] *= fl[l]
mvstart += f * num_ells
cdef class triangular_order(alm_info): cdef class triangular_order(alm_info):
def __init__(self, int lmax, mmax=None, stride=1): def __init__(self, int lmax, mmax=None, stride=1):