def test_plus_minus(self):
self.assertEqual(operator.sub(Q(3), 2), 1)
self.assertEqual(Q(3) - 2, 1)
self.assertEqual(Q(3) / 2, 1.5)
self.assertEqual(3 / Q(2), 1.5)
self.assertEqual(2 - Q(3), -1)
self.assertEqual(operator.sub(2, Q(3)), -1)
def pr044(limit):
pentagon = set(n*(3*n-1)//2 for n in range(1, limit))
isPentagon = lambda x: x in pentagon
cp = itertools.combinations(pentagon, 2)
for x in cp:
if isPentagon(add(*x)) and isPentagon(abs(sub(*x))):
return abs(sub(*x))
return "Not Found"
def quad(a,b,c):
from cmath import sqrt
if a!=0:
z1=add((-b),sqrt(sub(b**2,4*a*c)))/(2*a)
z2=sub((-b),sqrt(sub(b**2,4*a*c)))/(2*a)
else:
z1=z2(-c/b)
return z1,z2
def slopeCalculation(pt1,pt2):
dx2=operator.pow(operator.abs(operator.sub(pt1.X,pt2.X)),2)
dy2=operator.pow(operator.abs(operator.sub(pt1.Y,pt2.Y)),2)
dz2=operator.pow(operator.abs(operator.sub(pt1.Z,pt2.Z)),2)
if dz2>0:
vertical=operator.pow(dz2,0.5)
horiz=operator.pow(dx2+dy2,0.5)
slope=(vertical/horiz)*100
else:
slope=999
return slope
def pedout(indi, gen, max, top, bot) :
if indi and le(gen,max) :
gen = add(1,gen)
fath = father(indi)
moth = mother(indi)
height = add(1,sub(bot,top))
offset = div(sub(height,8),2)
block(indi,add(top,offset),mul(10,sub(gen,2)))
half = div(height,2)
pedout(fath,gen,max,top,sub(add(top,half),1))
pedout(moth,gen,max,add(top,half),bot)
def a_plus_b(a,b): """Return a+abs(b),but without calling abs. >>> a_plus_b(2,3) 5 >>>a_plus_b(2,-3) 5 """ if b < 0: sub(a,b) else: add(a,b)
def solution():
# lol, if i don't use 'set', the time explode!
# the most curious is the list already uniq!
# p = pentagonal_list(3000); len(p) == len(set(p)) => True!!!
# My guess is combinations had some optimizations for set
# set type doesn't ordered too...
pentagonals = set(pentagonal_list(3000))
for c in combinations(pentagonals, 2):
if add(*c) in pentagonals and abs(sub(*c)) in pentagonals:
return abs(sub(*c))
def test_subtraction(self, input_tuple, expected):
self.ureg.autoconvert_offset_to_baseunit = False
qin1, qin2 = input_tuple
q1, q2 = self.Q_(*qin1), self.Q_(*qin2)
input_tuple = q1, q2
if expected == 'error':
self.assertRaises(OffsetUnitCalculusError, op.sub, q1, q2)
else:
expected = self.Q_(*expected)
self.assertEqual(op.sub(q1, q2).units, expected.units)
self.assertQuantityAlmostEqual(op.sub(q1, q2), expected,
atol=0.01)
def main():
pentagonals = set(pentagonal(k) for k in range(1,3000))
c = combinations(pentagonals,2)
smallest = 10000000
result = []
for p in c:
if add(*p) in pentagonals and abs(sub(*p)) in pentagonals:
difference = abs(sub(*p))
if difference < smallest:
smallest = difference
result = p
print result
print smallest
def optimal_assignment(self, assignments):
'''
Given a set of possibly overlapping matches, find the
optimal solution.
'''
diff_map = dict()
for ids in assignments:
diff_map[ids] = operator.sub(*assignments[ids])
index_pair_sets = self.build_unique_index_pairs(assignments)
def ordering_fn(index_pairs):
total = 0
for ix in index_pairs:
total += max(assignments[ix])
return total
ordered_index_pairs_sets = sorted(index_pair_sets, key=ordering_fn, reverse=True)
best_score = -float('inf')
best_mapping = {}
# prefer solutions which have a higher maximum value (more points of comparison)
for assignment in ordered_index_pairs_sets:
current_score = 0
for ix in assignment:
current_score += diff_map[ix]
if current_score > best_score:
best_score = current_score
best_mapping = assignment
return best_mapping
def _alg_compare_hashes(self, method_name, dimension, cmp1, cmp2):
if not method_name in self.hash_methods:
return None
method_info = self.hash_methods[method_name]
difference_threshold = method_info['lims']
try:
if (type(cmp1) is str) or (type(cmp1) is unicode):
cmp1 = method_info['obj'](cmp1)
if (type(cmp2) is str) or (type(cmp2) is unicode):
cmp2 = method_info['obj'](cmp2)
diff = operator.sub(cmp1, cmp2)
if diff is None:
return None
dist = method_info['dist'](diff, dimension)
except:
logging.warning('can not compare media hashes: ' + str(method_name))
return None
threshold = 0
if dimension in difference_threshold:
threshold = difference_threshold[dimension]
else:
test_dim = dimension - 1
while test_dim >= 0:
if test_dim in difference_threshold:
threshold = difference_threshold[test_dim]
break
test_dim -= 1
return {'diff': diff, 'dist': dist, 'similar': (diff <= threshold)}
def make_anonymous_factorial():
"""Return the value of an expression that computes factorial.
>>> make_anonymous_factorial()(5)
120
"""
return lambda x: 1 if x <= 1 else mul(x, make_anonymous_factorial()(sub(x, 1)))
def nearest_date(month=1, day=1, offset=(2000, 1, 1)):
offset = date(*offset)
return min((
date(offset.year, month, day), # in current year
date(add(offset.year, 1), month, day), # in next year
date(sub(offset.year, 1), month, day), # in previous year
), key=lambda d: abs(_diff_dates(offset, d))).isoformat()
def evaluate(self):
result = None
left = self.left.evaluate()
right = self.right.evaluate()
if self.operation == '+':
result = operator.add(left, right)
elif self.operation == '-':
result = operator.sub(left, right)
elif self.operation == '*':
result = operator.mul(left, right)
elif self.operation == '/':
result = operator.div(left, right)
elif self.operation == '^':
result = operator.pow(left, right)
elif self.operation == 'and':
result = left and right
elif self.operation == 'or':
result = left or right
elif self.operation == '<':
result = operator.lt(left, right)
elif self.operation == '<=':
result = operator.le(left, right)
elif self.operation == '==':
result = operator.eq(left, right)
elif self.operation == '!=':
result = operator.ne(left, right)
elif self.operation == '>':
result = operator.gt(left, right)
elif self.operation == '>=':
result = operator.ge(left, right)
elif self.operation == 'in':
result = (left in right)
return result
def CalculateHashRounds(password, bonus):
# Accepts a user password and bonus value, and calculates
# the number of iterative rounds required. This function will
# always return a value between 8 and 16,777,216.
# Identify the number of Unicode characters.
characters = len(password.decode("utf-8"))
# Calculate the difficulty exponent by subtracting 1
# for each Unicode character in a password.
dynamic = operator.sub(24, characters)
# Use a minimum exponent value of 1 for passwords
# equal to, or greater than, 24 characters.
dynamic = max(1, dynamic)
# Derive the variable number of rounds based on the length.
# Raise 2 using the dynamic exponent determined above.
variable = pow(2, dynamic)
# If applicable, add the fixed number of bonus rounds.
total = operator.add(variable, bonus)
# If the value of rounds is smaller than 8, reset
# the value to 8.
total = max(8, total)
# If the value of rounds is larger than 16,777,216, reset
# the value to 16,777,216.
total = min(pow(2, 24), total)
return total
def p_expression_binop(self, p):
"""expression : expression PLUS expression
| expression MINUS expression
| expression TIMES expression
| expression DIVIDE expression
| expression MODULUS expression
| expression EXPONENT expression"""
op = p[2]
left = self._sumDiceRolls(p[1])
right = self._sumDiceRolls(p[3])
if op == '+':
p[0] = operator.add(left, right)
elif op == '-':
p[0] = operator.sub(left, right)
elif op == '*':
p[0] = operator.mul(left, right)
elif op == '/':
p[0] = operator.floordiv(left, right)
elif op == '%':
p[0] = operator.mod(left, right)
elif op == '^':
if -self._MAX_EXPONENT <= left <= self._MAX_EXPONENT and -self._MAX_EXPONENT <= right <= self._MAX_EXPONENT:
p[0] = operator.pow(left, right)
else:
raise InvalidOperandsException(u'operand or exponent is larger than the maximum {}'
.format(self._MAX_EXPONENT))
def __init__(self, mobject, tracked_mobject, **kwargs):
self.tracked_mobject = tracked_mobject
self.diff = op.sub(
mobject.get_center(),
tracked_mobject.get_center(),
)
super().__init__(mobject, **kwargs)
def adiff(seq, points=5, fxns={}):
"""Generate approximate values for the first derivative of *seq*.
*seq* is a sequence of (x, y) tuples, where x increases at a constant rate.
*points* is an integer indicating the number of neighbor points to consider
when approximating f`(x). *fxns* is a dictionary mapping the number of
points to a function that, given the list of neighboring f(x) values centered
at x, calculates f`(x).
"""
h = None
ys = range(points)
xs = list(ys)
for i, coord in enumerate(seq):
loc = i % points
xs[loc], ys[loc] = coord
if i == 1:
h = abs(operator.sub(*xs[:2]))
if i >= points:
center = (i - (points/2)) % points
x = xs[center]
y = ys[center:] + ys[:center]
try:
yield (x, fxns[points](y, h))
except TypeError:
yield (x, None)
def test_result(self):
types = np.typecodes['AllInteger'] + np.typecodes['AllFloat']
with suppress_warnings() as sup:
sup.filter(RuntimeWarning)
for dt in types:
a = np.ones((), dtype=dt)[()]
assert_equal(operator.sub(a, a), 0)
def index_view(request):
print(request.POST)
try:
if request.POST:
first_number_input = float(request.POST['first_number_input'])
second_number_input = float(request.POST['second_number_input'])
operation = request.POST["operator"]
if operation == "+ (add)":
answer = operator.add(first_number_input, second_number_input)
operation = "+"
elif operation == "- (subtract)":
answer = operator.sub(first_number_input, second_number_input)
operation = "-"
elif operation == "x (multiply)":
answer = operator.mul(first_number_input, second_number_input)
operation = "x"
else:
try:
answer = operator.truediv(first_number_input, second_number_input)
except ZeroDivisionError:
answer = "Answer is Undefined (You can't divide by zero)"
operation = "/"
return render(request, 'index.html', {'answer': answer,
'operation': operation,
'first_number': first_number_input,
'second_number': second_number_input})
else:
return render(request,'index.html',{})
except (ValueError, TypeError):
answer = "INVALID ENTRY"
return render(request, "index.html",{'answer':answer})
def get_ellipse_table(y_radius):
global ellipses_table
if ellipses_table.has_key(y_radius):
return ellipses_table[y_radius]
x_radius = y_radius / 2
ellipse_table = {}
split_point = y_radius - 0.5
for y in range(y_radius, 0, -1):
yy = y * y
val1 = operator.div(yy, float(y_radius * y_radius))
val2 = operator.sub(1.0, val1)
x_squared = (float(x_radius * x_radius)) * val2
x_offset_float = math.sqrt(operator.abs(x_squared))
x_offset = int(math.ceil(x_offset_float))
y_offset = operator.abs(y - y_radius)
ellipse_table[y_offset] = x_offset
ellipse_table[int(2*split_point) - y_offset] = x_offset
pair = (ellipse_table, x_radius)
ellipses_table[y_radius] = pair
return pair
def read(self):
assert self.fpath != ''
raw_df = pan.read_csv(self.fpath, header=None, names=self._raw_names,
parse_dates=[self.DTIM], index_col=self.DTIM)
vidn_ser = raw_df[self.FNAM].apply(lambda x: x[0:4])
dtms = raw_df.index.values#[self.DTIM].apply(lambda x: dt.datetime.strptime(x,
#self.timef)).values
iats = [op.sub(*l).item()/1.0e+9 for l in zip(dtms[1:],
dtms[0:len(dtms)]) ]
iats = [1.] + iats
iats_ser = pan.Series(iats, index=raw_df.index)
iats_ser.name = self.IATS
arate = round(len(iats)/sum(iats))
arate_ser = pan.Series(np.full(len(iats), arate), index=raw_df.index)
arate_ser.name = self.ARAT
trsz_log10_ser = np.log10(raw_df[co.CN_TRSZ])
trsz_log10_ser.name = co.CN_TRSZLOG10
self.log = pan.concat([
vidn_ser,
iats_ser,
arate_ser,
trsz_log10_ser,
raw_df[self.TRSZ],
raw_df[self.WAIT],
raw_df[self.DLTM]], axis=1)
def make_anonymous_factorial():
"""Return the value of an expression that computes factorial.
>>> make_anonymous_factorial()(5)
120
"""
return (lambda f: lambda k: f(f, k))(lambda f, k: k if k == 1 else mul(k, f(f, sub(k, 1))))
def calcDistance(*coords):
""" Calculate distance according to :
((sum of all distances^-6)/number of distances)^-1/6
or (sum of all distances^-6)^-1/6
calcDistance.method should be set before use
"""
result = None
try:
distance_list = (sqrt(fsum(sub(*coord) ** 2 for coord in izip(*atoms))) for atoms in product(*coords))
sum6 = fsum(pow(distance, -6) for distance in distance_list)
if calcDistance.method == 'ave6':
number_of_distances = reduce(mul, (len(coord) for coord in coords))
elif calcDistance.method == 'sum6':
number_of_distances = 1
result = pow(sum6/number_of_distances, -1./6)
except(ValueError, TypeError):
errors.add_error_message("Problem using coordinates : " +
str(coords) + "\n" +
" and distances list : " +
str([distance for distance in distance_list]) + "\n")
except AttributeError:
sys.stderr.write("Please set calcDistance.method before using calcDistance()\n")
return result
def ch_to_op(c, x, y):
if c == '+':
return operator.add(x, y)
elif c == '-':
return operator.sub(x, y)
elif c == 'x':
return operator.mul(x, y)
def test_memo_independence(self):
from operator import add, sub
madd = memo(add)
msub = memo(sub)
for a in range(10):
for b in range(10):
self.assertEqual(madd(a,b), add(a,b))
self.assertEqual(msub(a,b), sub(a,b))
def do_it(self):
if self.op == 'add':
self.result = operator.add(self.first, self.second)
elif self.op == 'subtract':
self.result = operator.sub(self.first, self.second)
print('{0} {1} {2} = {3}'.format(self.first, self.op, self.second, self.result))
pv.update()
def _is_true_neighbor(
x, attractor_radius, offset, indices, distance,
relative_distance_cutoff=15,
relative_radius_cutoff=2
):
distance_increase = np.abs(sub(*x[indices + offset]))
return (distance_increase / distance < relative_distance_cutoff and
distance_increase / attractor_radius < relative_radius_cutoff)
def leaf_pixelsep(self):
y0, y1 = self.get_ylim()
y0 = max(0, y0); y1 = min(1, y1)
display_points = self.transData.transform(((0, y0), (0, y1)))
# height in pixels (visible y data extent)
height = operator.sub(*reversed(display_points[:,1]))
pixelsep = height/((y1-y0)/self.leaf_hsep)
return pixelsep
def match(wild_type, data_1):
d = {}
import ipdb; ipdb.set_trace()
for i in wild_type:
match = re.search('{}'.format(i),data_1)
if match:
i,j = match.span()
d.setdefault(i,[]).append(j)
return max(((i,j[-1]) for i,j in d.items()),key=lambda x:abs(sub(*x)))
def modelF():
G_data = Gen_Data()
s0 = G_data.Generate_Int(2, 20)
s1 = G_data.Generate_Int(2, 20)
s2 = operator.mul(s0, s1)
x = "X"
op1 = G_data.opSub
op2 = G_data.opDiv
s3 = G_data.Generate_Int(s2, 1000)
result_ = operator.sub(s3, s2)
result = "( %d %s %s ) %s %d = %d" % (s3, op1, x, op2, s1, s0)
return result, result_
def cost_AS(action, posBox):
cost = len([x for x in action if x.islower()])
from operator import sub, add
posBox = [add(x, y) for x, y in sorted(posBox)]
posGoal = [add(x, y) for x, y in sorted(posGoals)]
distance = sum([abs(sub(x, y)) for x, y in zip(posBox, posGoal)])
return cost + distance
def make_anonymous_factorial():
"""Return the value of an expression that computes factorial.
>>> make_anonymous_factorial()(5)
120
>>> from construct_check import check
>>> check(HW_SOURCE_FILE, 'make_anonymous_factorial', ['Assign', 'AugAssign', 'FunctionDef', 'Recursion'])
True
"""
# I can't figure it out, this is other's solution.
return (lambda f: lambda k: f(f, k)
)(lambda f, k: 1 if k == 1 else mul(k, f(f, sub(k, 1))))
def begin(self):
super().begin()
car = self.mobject
distance = get_norm(
op.sub(
self.target_mobject.get_right(),
self.starting_mobject.get_right(),
))
if not self.moving_forward:
distance *= -1
tire_radius = car.get_tires()[0].get_width() / 2
self.total_tire_radians = -distance / tire_radius
def make_anonymous_factorial():
"""Return the value of an expression that computes factorial.
>>> make_anonymous_factorial()(5)
120
>>> from construct_check import check
>>> check(HW_SOURCE_FILE, 'make_anonymous_factorial', ['Assign',\
'AugAssign', 'FunctionDef', 'Recursion'])
True
"""
return lambda n: (lambda f, v: f(f, v))(lambda f, v: 1 if v == 1 else mul(
v, f(f, sub(v, 1))), n)
def check(other):
_check_op(other, operator.add)
_check_op(other, operator.sub)
_check_op(other, operator.div)
_check_op(other, operator.mul)
_check_op(other, operator.pow)
_check_op(other, lambda x, y: operator.add(y, x))
_check_op(other, lambda x, y: operator.sub(y, x))
_check_op(other, lambda x, y: operator.div(y, x))
_check_op(other, lambda x, y: operator.mul(y, x))
_check_op(other, lambda x, y: operator.pow(y, x))
def process(self):
switcher = {
Operator.PLUS:
operator.add(self.input1.process(), self.input2.process()),
Operator.MINUS:
operator.sub(self.input1.process(), self.input2.process()),
Operator.MULT:
operator.mul(self.input1.process(), self.input2.process()),
Operator.DIV:
operator.truediv(self.input1.process(), self.input2.process())
}
return switcher.get(self.operator)
def a_plus_abs_b(a, b):
"""Return a+abs(b), but without calling abs.
>>> a_plus_abs_b(2, 3)
5
>>> a_plus_abs_b(2, -3)
5
"""
if b < 0:
return sub(a,b)
else:
return add(a,b)
def modelC():
G_data = Gen_Data()
flag = True
s0 = G_data.Generate_Decimal(10.00, 20.00, 2)
x = "X"
op = G_data.opSub
s1 = G_data.Generate_Int(2, 20)
s2 = G_data.Generate_Decimal(1.00, 20.00, 2)
s3 = operator.mul(s1, s0)
s3 = operator.sub(s3, s2)
result = "%d %s %s %.2f = %.2f" % (s1, x, op, s2, s3)
return result, float(s0)
def make_anonymous_factorial():
"""Return the value of an expression that computes factorial.
>>> make_anonymous_factorial()(5)
120
>>> from construct_check import check
>>> # ban any assignments or recursion
>>> check(HW_SOURCE_FILE, 'make_anonymous_factorial', ['Assign', 'AugAssign', 'FunctionDef', 'Recursion'])
True
"""
return (lambda f: lambda k: f(f, k)
)(lambda f, k: k if k == 1 else mul(k, f(f, sub(k, 1))))
def check(a, b):
_check_op(a, b, operator.add)
_check_op(a, b, operator.sub)
_check_op(a, b, operator.truediv)
_check_op(a, b, operator.floordiv)
_check_op(a, b, operator.mul)
_check_op(a, b, lambda x, y: operator.add(y, x))
_check_op(a, b, lambda x, y: operator.sub(y, x))
_check_op(a, b, lambda x, y: operator.truediv(y, x))
_check_op(a, b, lambda x, y: operator.floordiv(y, x))
_check_op(a, b, lambda x, y: operator.mul(y, x))
def get_question_answer():
num1, operation, num2 = get_expression()
question = '{} {} {}'.format(num1, operation, num2)
if operation == '+':
answer = str(operator.add(num1, num2))
return question, answer
elif operation == '-':
answer = str(operator.sub(num1, num2))
return question, answer
elif operation == '*':
answer = str(operator.mul(num1, num2))
return question, answer
def make_anonymous_factorial():
"""Return the value of an expression that computes factorial.
>>> make_anonymous_factorial()(5)
120
>>> from construct_check import check
>>> # ban any assignments or recursion
>>> check(HW_SOURCE_FILE, 'make_anonymous_factorial', ['Assign', 'AugAssign', 'FunctionDef', 'Recursion'])
True
"""
return (lambda n: (lambda fact: fact(n, fact))
(lambda n, fact: 1 if n == 1 else mul(n, fact(sub(n, 1), fact))))
def generate_data():
a = random.randint(1, 100)
b = random.randint(1, 100)
operation = random.choice(['+', '-', '*'])
if operation == '*':
right_answer = operator.mul(a, b)
if operation == '+':
right_answer = operator.add(a, b)
if operation == '-':
right_answer = operator.sub(a, b)
question = str(a) + ' ' + operation + ' ' + str(b)
return question, str(right_answer)
def _is_true_neighbor(x,
attractor_radius,
offset,
indices,
distance,
relative_distance_cutoff=15,
relative_radius_cutoff=2):
# Created by hsharrison
# pypsr taken from https://github.com/hsharrison/pypsr MIT License
distance_increase = np.abs(sub(*x[indices + offset]))
return (distance_increase / distance < relative_distance_cutoff
and distance_increase / attractor_radius < relative_radius_cutoff)
def modelG():
G_data = Gen_Data()
s0 = G_data.Generate_Int(2, 30)
s1 = G_data.Generate_Int(2, 30)
s2 = operator.mul(s0, s1)
x = "X"
op1 = G_data.opAdd
op2 = G_data.opDiv
s3 = G_data.Generate_Int(2, s1)
result_ = operator.sub(s1, s3)
result = "%d %s ( %s %s %d ) = %d" % (s2, op2, x, op1, s3, s0)
return result, result_
def __sub__(self, other: object) -> Union['DayTimeDuration', 'Time']:
if isinstance(other, self.__class__):
delta = operator.sub(*self._get_operands(other))
return DayTimeDuration.fromtimedelta(delta)
elif isinstance(other, DayTimeDuration):
dt = self._dt - other.get_timedelta()
return Time(dt.hour, dt.minute, dt.second, dt.microsecond, dt.tzinfo)
elif isinstance(other, datetime.timedelta):
dt = self._dt - other
return Time(dt.hour, dt.minute, dt.second, dt.microsecond, dt.tzinfo)
else:
raise TypeError("wrong type %r for operand %r" % (type(other), other))
def modelI():
G_data = Gen_Data()
s0 = G_data.Generate_Int(2, 30)
s1 = G_data.Generate_Int(50, 100)
s2 = G_data.Generate_Int(2, s1)
s3 = operator.sub(s1, s2)
x = "X"
op1 = G_data.opDiv
op2 = G_data.opSub
result_ = operator.mul(s0, s1)
result = "%s %s %d %s %d = %d" % (x, op1, s0, op2, s2, s3)
return result, result_
def _test_quantity_iadd_isub(self, unit, func):
x = self.Q_(unit, "centimeter")
y = self.Q_(unit, "inch")
z = self.Q_(unit, "second")
a = self.Q_(unit, None)
func(op.iadd, x, x, self.Q_(unit + unit, "centimeter"))
func(
op.iadd,
x,
y,
self.Q_(unit + self.NON_INT_TYPE("2.54") * unit, "centimeter"),
)
func(op.iadd, y, x,
self.Q_(unit + unit / self.NON_INT_TYPE("2.54"), "inch"))
func(op.iadd, a, unit, self.Q_(unit + unit, None))
with pytest.raises(DimensionalityError):
op.iadd(self.NON_INT_TYPE("10"), x)
with pytest.raises(DimensionalityError):
op.iadd(x, self.NON_INT_TYPE("10"))
with pytest.raises(DimensionalityError):
op.iadd(x, z)
func(op.isub, x, x, self.Q_(unit - unit, "centimeter"))
func(op.isub, x, y,
self.Q_(unit - self.NON_INT_TYPE("2.54"), "centimeter"))
func(op.isub, y, x,
self.Q_(unit - unit / self.NON_INT_TYPE("2.54"), "inch"))
func(op.isub, a, unit, self.Q_(unit - unit, None))
with pytest.raises(DimensionalityError):
op.sub(self.NON_INT_TYPE("10"), x)
with pytest.raises(DimensionalityError):
op.sub(x, self.NON_INT_TYPE("10"))
with pytest.raises(DimensionalityError):
op.sub(x, z)
def parse_parameter(parameter: Parameter):
if parameter.kind == "topic":
topic = get_topic_by_id(parameter.topicId)
topic_col_name = build_collection_name(topic.name)
factor = get_factor(parameter.factorId, topic)
return Table(topic_col_name)[factor.name]
elif parameter.kind == 'constant':
return parameter.value
elif parameter.kind == 'computed':
if parameter.type == Operator.add:
result = None
for item in parameter.parameters:
if result:
result = operator.add(result, parse_parameter(item))
else:
result = parse_parameter(item)
return result
elif parameter.type == Operator.subtract:
result = None
for item in parameter.parameters:
if result:
result = operator.sub(result, parse_parameter(item))
else:
result = parse_parameter(item)
return result
elif parameter.type == Operator.multiply:
result = None
for item in parameter.parameters:
if result:
result = operator.mul(result, parse_parameter(item))
else:
result = parse_parameter(item)
return result
elif parameter.type == Operator.divide:
result = None
for item in parameter.parameters:
if result:
result = operator.truediv(result, parse_parameter(item))
else:
result = parse_parameter(item)
return result
elif parameter.type == Operator.modulus:
result = None
for item in parameter.parameters:
if result:
result = operator.mod(result, parse_parameter(item))
else:
result = parse_parameter(item)
return result
else:
# TODO more operator support
raise Exception("operator is not supported")
def do_it(self):
if self.op == 'add':
res = operator.add(self.first, self.second)
elif self.op == 'subtract':
res = operator.sub(self.first, self.second)
self.count += 1
self.ind.append(self.count)
self.result.append(res)
print('{0} {1} {2} = {3}'.format(self.first, self.op, self.second,
res))
pv.update()
def p_expression_binop(p):
"""expression : expression PLUS expression
| expression MINUS expression
| expression TIMES expression
| expression DIVIDE expression"""
if p[2] == '+':
p[0] = operator.add(p[1], p[3])
elif p[2] == '-':
p[0] = operator.sub(p[1], p[3])
elif p[2] == '*':
p[0] = operator.mul(p[1], p[3])
elif p[2] == '/':
p[0] = operator.div(p[1], p[3])
def test_predict__english__random(english):
test = tuple(
"".join(
random.choice([" "] + list(string.ascii_letters))
for _ in range(random.randint(5, 50))
)
for _ in range(10)
)
predict = create_model(*english)
result = [1 - min(1, exp(-sub(*predict(t)))) for t in test]
for r in result:
assert r < 0.95
def minus(exps, env) :
'(- 1 2) OR (- 1)'
nums = tuple(eval_params(exps, env))
if len(nums) == 1 :
a, = nums
assert type(a) == Number
return operator.neg(a)
elif len(nums) == 2 :
a, b = nums
assert type(a) == Number and type(b) == Number
return operator.sub(a, b)
else :
raise Exception('Invalid variable numbers for - function')
def make_anonymous_factorial():
"""Return the value of an expression that computes factorial.
# >>> make_anonymous_factorial()(5)
120
# # >>> from construct_check import check
# >>> check(HW_SOURCE_FILE, 'make_anonymous_factorial', ['Assign', 'AugAssign', 'FunctionDef', 'Recursion'])
True
"""
# def f(n):
# if n == 1: return 1
# return mul(n, f(sub(n,1)))
return (lambda a: lambda v: a(a, v))(lambda s, x: 1 if x == 0 else mul(x, s(s, sub(x, 1))))
def a_plus_abs_b(a, b):
"""Return a+abs(b), but without calling abs.
>>> a_plus_abs_b(2, 3)
5
>>> a_plus_abs_b(2, -3)
5
"""
if b < 0:
f = lambda x, y: sub(x, y)
else:
f = lambda x, y: add(x, y)
return f(a, b)
def make_anonymous_factorial():
"""Return the value of an expression that computes factorial.
>>> make_anonymous_factorial()(5)
120
>>> from construct_check import check
>>> check(HW_SOURCE_FILE, 'make_anonymous_factorial', ['Assign', 'AugAssign', 'FunctionDef', 'Recursion'])
True
"""
# 函数 refer 的name就在lambda上作为参数
return (lambda f: lambda n: f(f, n)) (lambda f, n: 1 if n==1 else mul(n, f(f, sub(n, 1))))
def make_anonymous_factorial():
"""Return the value of an expression that computes factorial.
>>> make_anonymous_factorial()(5)
120
>>> from construct_check import check
>>> # ban any assignments or recursion
>>> check(HW_SOURCE_FILE, 'make_anonymous_factorial', ['Assign', 'AugAssign', 'FunctionDef', 'Recursion'])
True
"""
# return lambda n: (lambda f, index, res: res if index == 1 else f(f, sub(index, 1), mul(res, index)))(, n, 1)
return lambda n: (lambda f1, index1, res1: f1(f1, index1, res1)) \
(lambda f2, index2, res2: res2 if index2 == 1 else f2(f2, sub(index2, 1), mul(res2, index2)), n, 1)
def a_plus_abs_b(a, b):
"""Return a+abs(b), but without calling abs.
>>> a_plus_abs_b(2, 3)
5
>>> a_plus_abs_b(2, -3)
5
"""
if b < 0:
f = lambda a, b: add(a, sub(0, b))
else:
f = lambda a, b: add(a, b)
return f(a, b)
def make_anonymous_factorial():
"""Return the value of an expression that computes factorial.
>>> make_anonymous_factorial()(5)
120
>>> from construct_check import check
>>> # ban any assignments or recursion
>>> check(HW_SOURCE_FILE, 'make_anonymous_factorial', ['Assign', 'AugAssign', 'FunctionDef', 'Recursion'])
True
"""
# return (lambda f: lambda n: 1 if n == 1 else mul(n, f(f)(sub(n, 1))))(lambda f: lambda n: 1 if n == 1 else mul(n, f(f)(sub(n, 1))))
return (lambda f: (lambda x: x(x))(lambda y: f(lambda *args: y(y)(*args)))
)(lambda f: lambda n: (1 if n < 2 else mul(n, f(sub(n, 1)))))