def test_consistency(self):
"""Test that variables and constraints keep a consistent order.
"""
import itertools
num_solves = 4
vars_lists = []
ineqs_lists = []
for k in range(num_solves):
sum = 0
constraints = []
for i in range(100):
var = Variable(name=str(i))
sum += var
constraints.append(var >= i)
obj = Minimize(sum)
p = Problem(obj, constraints)
objective, constr_map, dims = p.canonicalize()
all_ineq = itertools.chain(constr_map[s.EQ], constr_map[s.INEQ])
var_info = p._get_var_offsets(objective, all_ineq)
sorted_vars, var_offsets, x_length = var_info
vars_lists.append([int(v.name()) for v in sorted_vars])
ineqs_lists.append(constr_map[s.INEQ])
# Verify order of variables is consistent.
for i in range(num_solves):
self.assertEqual(range(100), vars_lists[i])
for i in range(num_solves):
for idx, constr in enumerate(ineqs_lists[i]):
var = constr.variables()[0]
self.assertEqual(idx, int(var.name()))
def test_consistency(self):
"""Test that variables and constraints keep a consistent order.
"""
import itertools
num_solves = 4
vars_lists = []
ineqs_lists = []
for k in range(num_solves):
sum = 0
constraints = []
for i in range(100):
var = Variable(name=str(i))
sum += var
constraints.append(var >= i)
obj = Minimize(sum)
p = Problem(obj, constraints)
objective, constr_map, dims = p.canonicalize()
all_ineq = itertools.chain(constr_map[s.EQ], constr_map[s.INEQ])
var_info = p._get_var_offsets(objective, all_ineq)
sorted_vars, var_offsets, x_length = var_info
vars_lists.append([int(v.name()) for v in sorted_vars])
ineqs_lists.append(constr_map[s.INEQ])
# Verify order of variables is consistent.
for i in range(num_solves):
self.assertEqual(range(100), vars_lists[i])
for i in range(num_solves):
for idx, constr in enumerate(ineqs_lists[i]):
var = constr.variables()[0]
self.assertEqual(idx, int(var.name()))
def test_consistency(self):
"""Test that variables and constraints keep a consistent order.
"""
import itertools
num_solves = 4
vars_lists = []
ineqs_lists = []
var_ids_order_created = []
for k in range(num_solves):
sum = 0
constraints = []
var_ids = []
for i in range(100):
var = Variable(name=str(i))
var_ids.append(var.id)
sum += var
constraints.append(var >= i)
var_ids_order_created.append(var_ids)
obj = Minimize(sum)
p = Problem(obj, constraints)
objective, constr_map = p.canonicalize()
all_ineq = itertools.chain(constr_map[s.EQ], constr_map[s.LEQ])
var_offsets, var_sizes, x_length = p._get_var_offsets(objective, all_ineq)
# Sort by offset.
vars_ = sorted(var_offsets.items(), key=lambda (var_id, offset): offset)
vars_ = [var_id for (var_id, offset) in vars_]
vars_lists.append(vars_)
ineqs_lists.append(constr_map[s.LEQ])
# Verify order of variables is consistent.
for i in range(num_solves):
self.assertEqual(var_ids_order_created[i],
vars_lists[i])
for i in range(num_solves):
for idx, constr in enumerate(ineqs_lists[i]):
var_id, _ = lu.get_expr_vars(constr.expr)[0]
self.assertEqual(var_ids_order_created[i][idx],
var_id)
def test_consistency(self):
"""Test that variables and constraints keep a consistent order.
"""
import itertools
num_solves = 4
vars_lists = []
ineqs_lists = []
var_ids_order_created = []
for k in range(num_solves):
sum = 0
constraints = []
var_ids = []
for i in range(100):
var = Variable(name=str(i))
var_ids.append(var.id)
sum += var
constraints.append(var >= i)
var_ids_order_created.append(var_ids)
obj = Minimize(sum)
p = Problem(obj, constraints)
objective, constr_map = p.canonicalize()
all_ineq = itertools.chain(constr_map[s.EQ], constr_map[s.LEQ])
var_offsets, var_sizes, x_length = p._get_var_offsets(
objective, all_ineq)
# Sort by offset.
vars_ = sorted(var_offsets.items(),
key=lambda (var_id, offset): offset)
vars_ = [var_id for (var_id, offset) in vars_]
vars_lists.append(vars_)
ineqs_lists.append(constr_map[s.LEQ])
# Verify order of variables is consistent.
for i in range(num_solves):
self.assertEqual(var_ids_order_created[i], vars_lists[i])
for i in range(num_solves):
for idx, constr in enumerate(ineqs_lists[i]):
var_id, _ = lu.get_expr_vars(constr.expr)[0]
self.assertEqual(var_ids_order_created[i][idx], var_id)
