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dft_tools/pytriqs/gf/local/retime.pyx
Olivier Parcollet 579368f24b gf. Clean Fourier
- lazy_fourier and co --> fourier
- ex fourier --> make_gf_from_fourier to make a new gf
- = fourier (g) works only iif lhs is a view, like scalar.
- updated python (commented fourier method).
2013-10-23 18:46:55 +02:00

77 lines
2.5 KiB
Cython

from gf_retime import GfReTime
cdef class GfReTime_cython:
cdef gf_retime _c
def __init__(self, MeshReTime mesh, data, TailGf tail):
self._c = gf_retime(mesh._c, array_view[dcomplex,THREE](data), tail._c, nothing())
def __write_hdf5_cython__ (self, gr , char * key) :
h5_write (make_h5_group(gr), key, self._c)
# Put it back ?
#def fourier(self):
# return make_GfReFreq(fourier(self._c))
def set_from_inverse_fourier(self, GfReFreq_cython gw) :
"""Fills self with the Inverse Fourier transform of gw"""
self._c << inverse_fourier( gw._c)
def __dealloc__ (self):
pass
#---------------- Reading from h5 ---------------------------------------
def h5_read_GfReTime(gr, key):
try:
indicesL = gr[key]['indices']['left']
indicesR = gr[key]['indices']['right']
pack = [indicesL, indicesR]
except:
pack = []
try:
name = gr[key]['name']
except:
name = key
return make_GfReTime(h5_extractor[gf_retime]()(make_h5_group(gr),key), pack, name)
from pytriqs.archive.hdf_archive_schemes import register_class
register_class (GfReTime, read_fun = h5_read_GfReTime)
#---------------- Convertions functions ---------------------------------------
# Python -> C
cdef gf_retime as_gf_retime (g) except +:
return (<GfReTime_cython?>g)._c
# C -> Python. Do NOT add except +
cdef make_GfReTime (gf_retime x, indices_pack = [], name = "g"):
data = x.data().to_python()
if indices_pack == []:
indices_pack = [range(data.shape[1]), range(data.shape[2])]
return GfReTime(
mesh = make_MeshReTime (x.mesh()),
data = data,
tail = make_TailGf (x.singularity()),
indices_pack = indices_pack,
name = name)
# Python -> C for blocks
cdef gf_block_retime as_gf_block_retime (G) except +:
cdef vector[gf_retime] v_c
for n,g in G:
v_c.push_back(as_gf_retime(g))
return make_gf_block_retime (v_c)
# C -> Python for block
cdef make_BlockGfReTime (gf_block_retime G, block_indices_pack = [], name = "G"):
gl = []
name_list = G.mesh().domain().names()
if block_indices_pack == []:
for i,n in enumerate(name_list):
sha = G[i].data().to_python().shape[1:3]
block_indices_pack.append( [range(sha[0]), range(sha[1])] )
for i,n in enumerate(name_list):
gl.append( make_GfReTime(G[i], block_indices_pack[i]) )
return BlockGf( name_list = name_list, block_list = gl, name = name )