/
widget.py
81 lines (64 loc) · 1.86 KB
/
widget.py
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import theano, cPickle
import theano.tensor as T
import numpy as np
from fftconv import cufft, cuifft
import keras.backend as K
def compute_cost_t(lin_output,y_t):
RNN_output = T.nnet.softmax(lin_output)
CE = T.nnet.categorical_crossentropy(RNN_output, y_t)
cost_t = CE.mean()
acc_t =(T.eq(T.argmax(RNN_output, axis=-1), y_t)).mean(dtype=theano.config.floatX)
return cost_t, acc_t
def permute_list12(s):
#s = 8
ind1 = range(s)
ind2 = range(s)
for i in range(s):
if i%2 == 1:
ind1[i] = ind1[i] - 1
if i == s -1:
continue
else:
ind2[i] = ind2[i] + 1
else:
ind1[i] = ind1[i] + 1
if i == 0:
continue
else:
ind2[i] = ind2[i] - 1
#print("Index permutation",[ind1,ind2])
return [ind1, ind2]
def permute_approx(s):
def ind_s(k):
if k==0:
return np.array([[1,0]])
else:
temp = np.array(range(2**k))
list0 = [np.append(temp + 2**k, temp)]
list1 = ind_s(k-1)
for i in range(k):
list0.append(np.append(list1[i],list1[i] + 2**k))
return list0
t = ind_s(int(np.log2(s/2)))
ind_list5 = []
for i in range(int(np.log2(s))):
ind_list5.append(t[i])
ind_list6 = []
for i in range(int(np.log2(s))):
ind = np.array([])
for j in range(2**i):
ind = np.append(ind, np.array(range(0, s, 2**i)) + j).astype(np.int32)
ind_list6.append(ind)
return ind_list5, ind_list6
def permute_list34(s):
ind3 = []
ind4 = []
for i in range(s/2):
ind3.append(i)
ind3.append(i + s/2)
ind4.append(0)
for i in range(s/2 - 1):
ind4.append(i + 1)
ind4.append(i + s/2)
ind4.append(s - 1)
return [ind3, ind4]