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from dreamcoder.program import *
from dreamcoder.type import *
def _addition(x): return lambda y: x + y
def _subtraction(x): return lambda y: x - y
def _division(x): return lambda y: x / y
subtraction = Primitive("-",
arrow(tint, arrow(tint, tint)),
_subtraction)
real_subtraction = Primitive("-.",
arrow(treal, treal, treal),
_subtraction)
addition = Primitive("+",
arrow(tint, arrow(tint, tint)),
Curried(_addition))
real_addition = Primitive("+.",
arrow(treal, treal, treal),
_addition)
def _multiplication(x): return lambda y: x * y
multiplication = Primitive("*",
arrow(tint, arrow(tint, tint)),
_multiplication)
real_multiplication = Primitive("*.",
arrow(treal, treal, treal),
_multiplication)
real_division = Primitive("/.",
arrow(treal, treal, treal),
_division)
def _power(a): return lambda b: a**b
real_power = Primitive("power",
arrow(treal, treal, treal),
_power)
k1 = Primitive("1", tint, 1)
k_negative1 = Primitive("negative_1", tint, -1)
k0 = Primitive("0", tint, 0)
for n in range(2,10):
Primitive(str(n),tint,n)
f1 = Primitive("1.", treal, 1.)
f0 = Primitive("0.", treal, 0)
real = Primitive("REAL", treal, None)
fpi = Primitive("pi", treal, 3.14)
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