Repository URL to install this package:
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Version:
1.2.1 ▾
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"""
Copyright 2013 Steven Diamond
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
"""
import cvxopt
import numpy as np
# # Problem data.
# m = 100
# n = 30
# A = cvxopt.normal(m,n)
# b = cvxopt.normal(m)
# import cProfile
# # Construct the problem.
# x = Variable(n)
# u = m*[[1]]
# t = Variable(m,m)
# # objective = Minimize( sum(t) )
# # constraints = [0 <= t, t <= 1]
# # p = Problem(objective, constraints)
# # The optimal objective is returned by p.solve().
# cProfile.run("""
# sum(t)
# """)
# # The optimal value for x is stored in x.value.
# #print x.value
# # The optimal Lagrange multiplier for a constraint
# # is stored in constraint.dual_value.
# #print constraints[0].dual_value
class MyMeta(type):
def __getitem__(self, key):
print(key)
return 2
def __len__(self):
return 1
def __contains__(self, obj):
print("hello")
return 0
class Exp:
def __add__(self, other):
return 0
def __radd__(self, other):
return 1
def __rmul__(self, other):
print(1)
__array_priority__ = 100
import numpy as np
a = np.random.random((2,2))
class Bar1:
__metaclass__ = MyMeta
def __add__(self, rhs): return 0
def __radd__(self, rhs): return 1
def __lt__(self, rhs): return 0
def __le__(self, rhs): return 1
def __eq__(self, rhs): return 2
def __ne__(self, rhs): return 3
def __gt__(self, rhs): return 4
def __ge__(self, rhs): return 5
def __array_prepare__(self):
print("hello")
return self
def __array_wrap__(self):
return self
def __array__(self):
print("Afafaf")
arr = np.array([self], dtype="object")
return arr
__array_priority__ = 100
def override(name):
if name == "equal":
def ufunc(x, y):
print(y)
if isinstance(y, Bar1) or \
isinstance(y, np.ndarray) and isinstance(y[0], Bar1):
raise NotImplementedError()
return getattr(np, name)(x, y)
return ufunc
else:
def ufunc(x, y):
print(y)
if isinstance(y, Bar1):
raise NotImplementedError()
return getattr(np, name)(x, y)
return ufunc
np.set_numeric_ops(
** {
ufunc : override(ufunc) for ufunc in (
"less_equal", "equal", "greater_equal"
)
}
)
b = Bar1()
print(a == b)
print(a <= b)
print(a + b)