def __new__(self, M=10, beta=1, phi=0, normalised=True, inverted=False):
if not inverted:
if phi == 0:
wc = np.kaiser(M, beta) # Window coefficients
win = wc / sum(wc) # Normalised window
else:
wc = np.kaiser(M, beta) # Window coefficients
m = np.arange(0, M) # Create M indeces from 0 to 1
a = exp(-1j * 2 * pi * m * phi) # Steering vector
ws = dot(wc, a) # Normalisation factor
win = a * wc / ws # Steered and normalised window
else:
if phi == 0:
wc = 1 / np.kaiser(M, beta) # Window coefficients
win = wc / sum(wc) # Normalised window
else:
wc = 1 / np.kaiser(M, beta) # Window coefficients
m = np.arange(0, M) # Create M indeces from 0 to 1
a = exp(-1j * 2 * pi * m * phi) # Steering vector
ws = dot(wc, a) # Normalisation factor
win = a * wc / ws # Steered and normalised window
w = np.Ndarray.__new__(self, win)
# axes=('M',),
# desc = 'Kaiser (beta=%d, phi=%d)'%(beta,phi))
# shape_desc=('M','1'))
return w
def create_modular_toy(edges, modular_edges):
adjMatrix = np.zeros((15, 15))
module_1, module_2, module_3 = np.arange(5), np.arange(5, 10), np.arange(
10, 15)
modules = []
modules.append(module_1), modules.append(module_2), modules.append(
module_3)
def add_modular_edge():
randomComm = seeded_rng.randint(0, 3)
randEdge = seeded_rng.choice(modules[randomComm], 2, replace=False)
while adjMatrix[randEdge[0]][randEdge[1]] != 0 or adjMatrix[
randEdge[1]][randEdge[0]] != 0:
randomComm = seeded_rng.randint(0, 3)
randEdge = seeded_rng.choice(modules[randomComm], 2, replace=False)
adjMatrix[randEdge[0]][randEdge[1]] += 1
adjMatrix[randEdge[1]][randEdge[0]] += 1
def add_cross_edge(): #adds edge outside modules
randEdge = seeded_rng.choice(15, 2, replace=False)
while adjMatrix[randEdge[0]][randEdge[1]] != 0 or adjMatrix[randEdge[1]][randEdge[0]] != 0 or \
(randEdge[0] in module_1 and randEdge[1] in module_1) \
or (randEdge[0] in module_2 and randEdge[1] in module_2) or \
(randEdge[0] in module_3 and randEdge[1] in module_3):
randEdge = seeded_rng.choice(15, 2, replace=False)
adjMatrix[randEdge[0]][randEdge[1]] += 1
adjMatrix[randEdge[1]][randEdge[0]] += 1
for i in range(modular_edges):
add_modular_edge()
for i in range(edges - modular_edges):
add_cross_edge()
return adjMatrix
def create_undirected_network(N, edges):
adjMatrix = np.zeros((N, N), dtype=float)
perm = np.arange(N)
for i in range(N - 1):
adjMatrix[perm[i]][perm[i + 1]] = 1.0
adjMatrix[perm[i + 1]][perm[i]] = 1.0
for i in range(edges - N + 1):
randEdge = seeded_rng.choice(N, 2, replace=False)
while adjMatrix[randEdge[0]][randEdge[1]] != 0:
randEdge = seeded_rng.choice(N, 2, replace=False)
#print("STUCK")
adjMatrix[randEdge[0]][randEdge[1]] = 1.0
adjMatrix[randEdge[1]][randEdge[0]] = 1.0
return adjMatrix
def __new__(self, M=10, phi=0, normalised=True):
# Create the window
if phi == 0:
win = np.ones((M, ), dtype=None) / M
else:
wc = np.ones(M, dtype=complex) # Window coefficients
m = np.arange(0, M) # Create M indeces from 0 to 1
a = exp(-1j * 2 * pi * m * phi) # Steering vector
ws = dot(wc, a) # Normalisation factor
win = a * wc / ws # Steered and normalised window
w = np.Ndarray.__new__(self, win)
# axes=('M',),
# desc = 'Rectangular (phi=%d)'%phi)
# desc='Rectangular (phi=%d)'%phi,
# shape_desc=('M','1'))
return w
def __new__(self, M=10, a=0.54, phi=0, normalised=True):
# Create the window
if phi == 0:
wc = a + (1 - a) * np.cos(2 * pi * np.linspace(-0.5, 0.5, M))
win = wc / sum(wc) # Normalised window
else:
n = np.linspace(-0.5, 0.5, M)
wc = a + (1 - a) * np.cos(2 * pi * n) # Window coefficients
m = np.arange(0, M) # Create M indeces from 0 to 1
aa = exp(-1j * 2 * pi * m * phi) # Steering vector
ws = dot(wc, aa) # Normalisation factor
win = aa * wc / ws # Steered and normalised window
w = np.Ndarray.__new__(self, win)
# axes=('M',),
# desc = 'Rectangular (phi=%d)'%phi)
# desc='Rectangular (phi=%d)'%phi,
# shape_desc=('M','1'))
return w
def __find_new_slot__(self, root_node, conf):
import mynumpy as np
dummy_conf = {}
db = Configurable.__db__
class_node = db.save(root_node, self.__class__.__name__, None, type='group')
# If the configuration is new, set a new slot as default
if conf == None:
id = class_node._v_nchildren
# If a configuration exists, set the old slot as default
else:
id = conf['id']
conf = conf['class_attr']
# Iterate over each of the index slots in the class
is_equal = True
for i in range(0,class_node._v_nchildren):
id_node = db.save(class_node, i, None, type='id')
is_equal = True
# Iterate over all class variables
for key,val in self.__dict__.iteritems():
if val != None:
cn = val.__class__.__name__
vc = val.__class__
# For configurable types, just make sure their entry is the DB
if issubclass(vc, Configurable):
if cn not in root_node:
is_equal = False
break
# The values of common types need to be compared aswell
if vc == float or vc == long or vc == int or vc == complex or vc == str:
# Fetch the data if it exists
if key in id_node:
db_val = getattr(id_node, key)
else:
is_equal = False
break
# Compare the values. If they are unequal, or the compare operation
# is undefined for the two types, the values are treated as unequal.
try:
if val != db_val.read():
is_equal = False
break
except:
is_equal = False
break
# Reading and comparing all arrays in the database is performance
# intensive. To speed up the process the DB entry is only read if the
# matrix dimensions are equal:
elif issubclass(vc, np.Ndarray):
# Fetch the data if it exists
if key in id_node:
db_val = getattr(id_node, key)
else:
is_equal = False
break
# Record the array lengths
val_len = val.shape.__len__()
db_val_len = db_val.shape.__len__()
# Are the values scalars?
if val_len==0 or (val_len==1 and val.shape==(1,)):
if db_val_len==0 or (db_val_len==1 and db_val.shape==(1,)):
db_val = db_val.read()
if val != db_val:
is_equal = False
break
# ...or arrays?
else:
# Make sure the DB entry is an array-type
if db_val_len>1 or db_val.shape[0]>1:
if db_val.shape == val.shape:
db_val = db_val.read()
t = val != db_val
if (np.isscalar(t) and t) or t.any():
is_equal = False
break
else:
is_equal = False
break
elif vc == tuple or vc == list:
val_len = val.__len__()
db_val = []
# Create the wrapper object and fill it with list/tuple items
if vc == tuple:
tw = TupleWrapper()
else:
tw = ListWrapper()
for j in np.arange(0,val_len):
setattr(tw, 'i%d'%j, val[j])
# Call its find new slot to recursively dig into the data
was_equal,id2 = tw.__find_new_slot__(root_node, conf)
# If any of the list items were unequal, we return
if was_equal == False:
is_equal = False
break
# If all contents are equal to that stored at a specific slot in the DB,
# set the id of this class to match that DB slot.
# TODO: Performance tip: I'm storing thing twice now..
if is_equal:
id = i
break
return is_equal,id
def __load__(self, root_node, conf):
import mynumpy as np
import Coordinate
'''
self_key The variable in the calling class that points to self
db The database
depth The recursive level'''
# from TypeExtensions import Ndarray
class_node = getattr(root_node, self.__class__.__name__)
id = conf.pop('id')
node = getattr(class_node,'i%d'%id)
conf = conf['class_attr']
# Iterate over all class instance variables
for key in conf:
# Lookup the type of the variable
try:
class_type = conf[key].pop('class_type')
except:
class_type = conf[key]
# Configurable types are first created, then asked to load themselves
if issubclass(class_type, Configurable):
# Hmm, this is some nasty piece of code; A 'lookahead' to fetch the
# data of the base class in order to initialize the Ndarray with
# that data..
if class_type == np.Ndarray:
data = getattr(node,key).read()
# tmp = class_type(data)
# tmp.__load__(root_node, conf[key])
# axes = tmp.__dict__.pop('axes')
# setattr(self, key, class_type(data, axes))
setattr(self, key, class_type(data))
# for subkey in tmp.__dict__:
# setattr(getattr(self, key), subkey, getattr(tmp, subkey))
# TODO: Should make this more general, but no time for that now
elif issubclass(class_type, Coordinate.Coordinate):
data = getattr(node,key).read()
setattr(self, key, class_type(x=data[:,0],y=data[:,1],z=data[:,2]))
else:
setattr(self, key, class_type())
getattr(self,key).__load__(root_node, conf[key])
# Unwrap tuples and lists if necessary:
if class_type == TupleWrapper or class_type == ListWrapper:
val = []
for i in np.arange(0,getattr(self,key).len):
subval = getattr(getattr(self,key), 'i%d'%i)
if subval == 'None':
subval = None
val.append(subval)
delattr(self,key)
if class_type == TupleWrapper:
val = tuple(val)
setattr(self, key, tuple(val))
elif class_type == DictWrapper:
val = {}
for subkey in self.__dict__:
if subkey == 'None':
val[None] = getattr(getattr(self,key),'None')
else:
val[subkey] = getattr(getattr(self,key), subkey)
delattr(self,key)
setattr(self, key, val)
else:
setattr(self, key, getattr(node,key).read())
def __find_new_slot__(self, root_node, conf):
import mynumpy as np
dummy_conf = {}
db = Configurable.__db__
class_node = db.save(root_node,
self.__class__.__name__,
None,
type='group')
# If the configuration is new, set a new slot as default
if conf == None:
id = class_node._v_nchildren
# If a configuration exists, set the old slot as default
else:
id = conf['id']
conf = conf['class_attr']
# Iterate over each of the index slots in the class
is_equal = True
for i in range(0, class_node._v_nchildren):
id_node = db.save(class_node, i, None, type='id')
is_equal = True
# Iterate over all class variables
for key, val in self.__dict__.iteritems():
if val != None:
cn = val.__class__.__name__
vc = val.__class__
# For configurable types, just make sure their entry is the DB
if issubclass(vc, Configurable):
if cn not in root_node:
is_equal = False
break
# The values of common types need to be compared aswell
if vc == float or vc == long or vc == int or vc == complex or vc == str:
# Fetch the data if it exists
if key in id_node:
db_val = getattr(id_node, key)
else:
is_equal = False
break
# Compare the values. If they are unequal, or the compare operation
# is undefined for the two types, the values are treated as unequal.
try:
if val != db_val.read():
is_equal = False
break
except:
is_equal = False
break
# Reading and comparing all arrays in the database is performance
# intensive. To speed up the process the DB entry is only read if the
# matrix dimensions are equal:
elif issubclass(vc, np.Ndarray):
# Fetch the data if it exists
if key in id_node:
db_val = getattr(id_node, key)
else:
is_equal = False
break
# Record the array lengths
val_len = val.shape.__len__()
db_val_len = db_val.shape.__len__()
# Are the values scalars?
if val_len == 0 or (val_len == 1
and val.shape == (1, )):
if db_val_len == 0 or (db_val_len == 1
and db_val.shape == (1, )):
db_val = db_val.read()
if val != db_val:
is_equal = False
break
# ...or arrays?
else:
# Make sure the DB entry is an array-type
if db_val_len > 1 or db_val.shape[0] > 1:
if db_val.shape == val.shape:
db_val = db_val.read()
t = val != db_val
if (np.isscalar(t) and t) or t.any():
is_equal = False
break
else:
is_equal = False
break
elif vc == tuple or vc == list:
val_len = val.__len__()
db_val = []
# Create the wrapper object and fill it with list/tuple items
if vc == tuple:
tw = TupleWrapper()
else:
tw = ListWrapper()
for j in np.arange(0, val_len):
setattr(tw, 'i%d' % j, val[j])
# Call its find new slot to recursively dig into the data
was_equal, id2 = tw.__find_new_slot__(root_node, conf)
# If any of the list items were unequal, we return
if was_equal == False:
is_equal = False
break
# If all contents are equal to that stored at a specific slot in the DB,
# set the id of this class to match that DB slot.
# TODO: Performance tip: I'm storing thing twice now..
if is_equal:
id = i
break
return is_equal, id
def __load__(self, root_node, conf):
import mynumpy as np
import Coordinate
'''
self_key The variable in the calling class that points to self
db The database
depth The recursive level'''
# from TypeExtensions import Ndarray
class_node = getattr(root_node, self.__class__.__name__)
id = conf.pop('id')
node = getattr(class_node, 'i%d' % id)
conf = conf['class_attr']
# Iterate over all class instance variables
for key in conf:
# Lookup the type of the variable
try:
class_type = conf[key].pop('class_type')
except:
class_type = conf[key]
# Configurable types are first created, then asked to load themselves
if issubclass(class_type, Configurable):
# Hmm, this is some nasty piece of code; A 'lookahead' to fetch the
# data of the base class in order to initialize the Ndarray with
# that data..
if class_type == np.Ndarray:
data = getattr(node, key).read()
# tmp = class_type(data)
# tmp.__load__(root_node, conf[key])
# axes = tmp.__dict__.pop('axes')
# setattr(self, key, class_type(data, axes))
setattr(self, key, class_type(data))
# for subkey in tmp.__dict__:
# setattr(getattr(self, key), subkey, getattr(tmp, subkey))
# TODO: Should make this more general, but no time for that now
elif issubclass(class_type, Coordinate.Coordinate):
data = getattr(node, key).read()
setattr(
self, key,
class_type(x=data[:, 0], y=data[:, 1], z=data[:, 2]))
else:
setattr(self, key, class_type())
getattr(self, key).__load__(root_node, conf[key])
# Unwrap tuples and lists if necessary:
if class_type == TupleWrapper or class_type == ListWrapper:
val = []
for i in np.arange(0, getattr(self, key).len):
subval = getattr(getattr(self, key), 'i%d' % i)
if subval == 'None':
subval = None
val.append(subval)
delattr(self, key)
if class_type == TupleWrapper:
val = tuple(val)
setattr(self, key, tuple(val))
elif class_type == DictWrapper:
val = {}
for subkey in self.__dict__:
if subkey == 'None':
val[None] = getattr(getattr(self, key), 'None')
else:
val[subkey] = getattr(getattr(self, key), subkey)
delattr(self, key)
setattr(self, key, val)
else:
setattr(self, key, getattr(node, key).read())
