def __init__(self, **d):
"""
The constructor have two variants : you can either provide the mesh in
Matsubara frequencies yourself, or give the parameters to build it.
All parameters must be given with keyword arguments.
GfReTime(indices, window, n_points, data, tail, name)
* ``indices``: a list of indices names of the block
* ``window``: a tuple (t_min, t_max)
* ``n_points`` : Number of time points in the mesh
* ``data``: A numpy array of dimensions (len(indices),len(indices),n_points) representing the value of the Green function on the mesh.
* ``tail``: the tail
* ``name``: a name of the GF
GfReTime (indices, mesh, data, tail, name)
* ``indices``: a list of indices names of the block
* ``mesh``: a MeshGf object, such that mesh.TypeGF== GF_Type.Imaginary_Time
* ``data``: A numpy array of dimensions (len(indices),len(indices),n_points) representing the value of the Green function on the mesh.
* ``tail``: the tail
* ``name``: a name of the GF
.. warning::
The Green function take a **view** of the array data, and a **reference** to the tail.
"""
mesh = d.pop('mesh', None)
if mesh is None:
window = d.pop('window')
t_min = window[0]
t_max = window[1]
n_max = d.pop('n_points', 10000)
kind = d.pop('kind', 'F')
mesh = MeshReTime(t_min, t_max, n_max, kind)
self.dtype = numpy.complex_
indices_pack = get_indices_in_dict(d)
indicesL, indicesR = indices_pack
N1, N2 = len(indicesL), len(indicesR)
data = d.pop('data') if 'data' in d else numpy.zeros(
(len(mesh), N1, N2), self.dtype)
tail = d.pop('tail') if 'tail' in d else TailGf(shape=(N1, N2))
symmetry = d.pop('symmetry', None)
name = d.pop('name', 'g')
assert len(
d
) == 0, "Unknown parameters in GFBloc constructions %s" % d.keys()
GfGeneric.__init__(self, mesh, data, tail, symmetry, indices_pack,
name, GfReTime)
GfReTime_cython.__init__(self, mesh, data, tail)
def __init__(self, **d):
"""
The constructor has two variants : you can either provide the mesh in
real time yourself, or give the parameters to build it.
All parameters must be given with keyword arguments.
GfReTime (indices, beta, statistic, n_time_points, time_min, time_max, data, tail, name, note)
* ``indices``: a list of indices names of the block
* ``beta``: Inverse Temperature
* ``statistic``: 'F' or 'B'
* ``n_time_points`` : Number of time slices
* ``time_min,time_max`` : The time window
* ``data``: A numpy array of dimensions (len(indices),len(indices),n_time_points) representing the value of the Green function on the mesh.
* ``tail``: the tail
* ``name``: a name of the GF
* ``note``: any string you like...
If you already have the mesh, you can use a simpler version :
GfReTime (indices, mesh, data, tail, name,note)
* ``indices``: a list of indices names of the block
* ``mesh``: a MeshGf object, such that mesh.TypeGF== GF_Type.Real_Time
* ``data``: A numpy array of dimensions (len(indices),len(indices),n_time_points) representing the value of the Green function on the mesh.
* ``tail``: the tail
* ``name``: a name of the GF
* ``note``: any string you like...
.. warning::
The Green function take a **view** of the array data, and a **reference** to the tail.
"""
# construct the mesh if needed
if 'mesh' not in d :
if 'beta' not in d : raise ValueError, "beta not provided"
beta = float(d['beta'])
n_max = d.pop('n_time_points',1024)
assert n_max%2 ==0, "Use an even number of slices"
timeMin = d.pop('time_min',-10)
timeMax = d.pop('time_max', 10)
dt = float (timeMax - timeMin)/ n_max
d['mesh'] = MeshRealTime( GF_Type.Real_Time,stat,beta,
numpy.array([ timeMin + (n+0.5)*dt for n in range(n_max)]))
self.time_min, self.time_max, self.Npts = min(d['mesh']), max(d['mesh']), len(d['mesh'])
dt = (self.time_max - self.time_min)/(self.Npts -1)
self.time_min -= dt/2 ;self.time_max += dt/2
# ????? duplicated in C++... not very clean, but ok.
GfReTime_cython.__init__(self,*self._prepare_init(d))
def __init__(self, **d):
"""
The constructor have two variants : you can either provide the mesh in
Matsubara frequencies yourself, or give the parameters to build it.
All parameters must be given with keyword arguments.
GfReTime(indices, window, n_points, data, tail, name)
* ``indices``: a list of indices names of the block
* ``window``: a tuple (t_min, t_max)
* ``n_points`` : Number of time points in the mesh
* ``data``: A numpy array of dimensions (len(indices),len(indices),n_points) representing the value of the Green function on the mesh.
* ``tail``: the tail
* ``name``: a name of the GF
GfReTime (indices, mesh, data, tail, name)
* ``indices``: a list of indices names of the block
* ``mesh``: a MeshGf object, such that mesh.TypeGF== GF_Type.Imaginary_Time
* ``data``: A numpy array of dimensions (len(indices),len(indices),n_points) representing the value of the Green function on the mesh.
* ``tail``: the tail
* ``name``: a name of the GF
.. warning::
The Green function take a **view** of the array data, and a **reference** to the tail.
"""
mesh = d.pop('mesh',None)
if mesh is None :
window = d.pop('window')
t_min = window[0]
t_max = window[1]
n_max = d.pop('n_points',10000)
kind = d.pop('kind','F')
mesh = MeshReTime(t_min, t_max, n_max, kind)
self.dtype = numpy.complex_
indices_pack = get_indices_in_dict(d)
indicesL, indicesR = indices_pack
N1, N2 = len(indicesL),len(indicesR)
data = d.pop('data') if 'data' in d else numpy.zeros((len(mesh),N1,N2), self.dtype )
tail= d.pop('tail') if 'tail' in d else TailGf(shape = (N1,N2))
symmetry = d.pop('symmetry',None)
name = d.pop('name','g')
assert len(d) ==0, "Unknown parameters in GFBloc constructions %s"%d.keys()
GfGeneric.__init__(self, mesh, data, tail, symmetry, indices_pack, name, GfReTime)
GfReTime_cython.__init__(self, mesh, data, tail)
