Source code for

# Copyright (c) 2017 Commissariat à l'énergie atomique et aux énergies alternatives (CEA)
# Copyright (c) 2017 Centre national de la recherche scientifique (CNRS)
# Copyright (c) 2020-2023 Simons Foundation
# Copyright (c) 2017 Igor Krivenko
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# GNU General Public License for more details.
# You may obtain a copy of the License at
# Authors: Michel Ferrero, Igor Krivenko, Olivier Parcollet, Nils Wentzell

import itertools
from functools import reduce # Valid in Python 2.6+, required in Python 3
import operator
import numpy as np

[docs]def call_factory_from_dict(cl, name, l): return cl.__factory_from_dict__(name, l)
[docs]class MeshProduct: """ The cartesian Mesh product Parameters ---------- mlist: list The list of Meshes in the MeshProduct """
[docs] def __init__(self, *mlist): self._mlist = mlist self._hdf5_data_scheme_ = 'MeshProduct'
@property def components(self): """ A list of the meshes """ return self._mlist
[docs] def size_of_components(self): """ A tuple with the size of the compomements """ return (len(x) for x in self._mlist)
def __getitem__(self, i): return self._mlist[i] @property def rank(self): return len(self._mlist) # @property # def size(self) : # return len(self) def __len__(self): """ Total number of points (product of size of components) """ return reduce(operator.mul, self.size_of_components(), 1) def __eq__(self, other): """ Compare with another product mesh """ return self._mlist == other._mlist def __iter__(self): """ The composite mesh point """ return itertools.product(*self._mlist)
[docs] def copy(self): """ Deep copy """ return self.__class__(*[x.copy() for x in self._mlist])
[docs] def copy_from(self, another): """ Deep copy """ assert self.rank == another.rank, "copy_from requires the same rank for meshes" return self.__class__(*[x.copy_from(y) for x,y in zip(self._mlist, another._mlist)])
[docs] def to_data_index(self, idx) : """ """ return (x.to_data_index(i) for x,i in zip(self._mlist, idx))
def __repr__(self): """ """ return "MeshProduct of :" + ', '.join(repr(x) for x in self._mlist) def __str__(self): """ """ return ', '.join(str(x) for x in self._mlist) #----------------------------- IO ----------------------------------- def __reduce__(self): return call_factory_from_dict, (self.__class__, "", self.__reduce_to_dict__()) def __reduce_to_dict__(self): return dict (('MeshComponent%s'%i, m) for i,m in enumerate(self._mlist)) # @classmethod # def __factory_from_dict__(cls, l): # return cls(*l) @classmethod def __factory_from_dict__(cls, name, d): return cls(*(d['MeshComponent%s'%i] for i in range(len(d)))) #.values())
#--------------------------------------------------------- from h5.formats import register_class register_class (MeshProduct)