| from dreamcoder.program import * |
| from dreamcoder.type import * |
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| def _addition(x): return lambda y: x + y |
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| def _subtraction(x): return lambda y: x - y |
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| def _division(x): return lambda y: x / y |
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| 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) |
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| def _multiplication(x): return lambda y: x * y |
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| multiplication = Primitive("*", |
| arrow(tint, arrow(tint, tint)), |
| _multiplication) |
| real_multiplication = Primitive("*.", |
| arrow(treal, treal, treal), |
| _multiplication) |
| real_division = Primitive("/.", |
| arrow(treal, treal, treal), |
| _division) |
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| def _power(a): return lambda b: a**b |
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| real_power = Primitive("power", |
| arrow(treal, treal, treal), |
| _power) |
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| 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) |
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| 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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