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Added preliminary support for unary operations

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Niles Rogoff 2017-03-21 11:40:06 -04:00
parent 2af5fe5e14
commit f05375398c
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1 changed files with 7 additions and 0 deletions
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7
generator.py
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@ -17,6 +17,9 @@ operations = {
"&": lambda x, y: x & y, "&": lambda x, y: x & y,
"|": lambda x, y: x | y "|": lambda x, y: x | y
} }
unary_operations = {
"~": lambda s, x, y: ~(s(x, y)) if type(x) == type(0) and type(y) == type(0) else "~" + str(s(x, y))
}
# gensym has a 1/3 chance of returning a lambda that returns x, 1/3 for y, and 1/3 for a number generated *when gensym was run*. # gensym has a 1/3 chance of returning a lambda that returns x, 1/3 for y, and 1/3 for a number generated *when gensym was run*.
def gensym(): def gensym():
@ -113,6 +116,10 @@ def generate(arg = "default", ops = False, syms = False):
ops = [random.choice([x for x, y in operations.items()]) for k in range(random.randint(2, 6))] ops = [random.choice([x for x, y in operations.items()]) for k in range(random.randint(2, 6))]
if not syms: if not syms:
syms = [gensym() for i in range(len(ops) + 1)] syms = [gensym() for i in range(len(ops) + 1)]
# for i in range(len(syms)):
# if random.randint(0, 4) == 0:
# sym = syms[i] # do not try and inline this
# syms[i] = lambda x, y: unary_operations[random.choice(x for x, y in unary_operations.items())](sym, x, y)
literals = [f("x", "y") for f in syms] literals = [f("x", "y") for f in syms]
if "y" not in literals or "x" not in literals: if "y" not in literals or "x" not in literals: