Reset .git folder to save space

generator.py

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+#!/usr/bin/env python3
+import libpme, math, random, sys
+import pip._vendor.progress.bar as libbar
+img = libpme.PME()
+img.height = img.width = 1024
+img.color_type = libpme.color_types.GREYSCALE
+img.bit_depth = 1
+
+operations = {
+        "^": lambda x, y: x ^ y,
+        "**": lambda x, y: x ** y,
+        "*": lambda x, y: x * y,
+        "+": lambda x, y: x + y,
+        "-": lambda x, y: x - y,
+        "÷?": lambda x, y: x if y == 0 else x / y, # don't want division by zero errors, and filenames can't have / in them.
+        #"log": lambda x, y: math.log(x, y), # giving math domain errors
+        #"~": lambda x, y: ~(getop()(x, y)), # todo
+        ">>": lambda x, y: x >> y,
+        "<<": lambda x, y: x << y,
+        "&": lambda x, y: x & y,
+        "|": lambda x, y: x | y
+}
+
+def gensym():
+    r = random.randint(0, 2)
+    if r == 0:
+        return lambda x, y: y
+    elif r == 1:
+        return lambda x, y: x
+    else:
+        r = random.randint(1, 16)
+        return lambda x, y: r
+
+
+# ops = [">>", "*", "-", "^"]
+# ops.reverse()
+# x = lambda x, y: x
+# y = lambda x, y: y
+# syms = [x, y, y, x, lambda x, y: 11]
+# syms.reverse()
+ops = [random.choice([x for x, y in operations.items()]) for k in range(random.randint(2, 6))]
+syms = [gensym() for i in range(len(ops) + 1)]
+def around(x):
+    return abs(round(x))
+def builder(k, i = 0):
+    if len(k) == 0:
+        return lambda x, y: syms[i](x, y)
+    return lambda x, y: operations[k[0]](round(builder(k[1:], i + 1)(x, y)), syms[i](x, y))
+
+def sbuilder(k, i = 0, recurse = False):
+    if len(k) == 0:
+        return str(syms[i]("x", "y"))
+    if recurse:
+        return "(" + sbuilder(k[1:], i + 1, True) + ") " + k[0] +  " " + str(syms[i]("x", "y"))
+    return "(" + sbuilder(k, i, True) + ") & 1"
+
+
+#print(ops)
+#the_function = lambda x, y: (((x^y)-y)*x >> 11) & 1
+#print(sbuilder(ops));
+the_function = lambda x, y: round(builder(ops)(x, y)) & 1
+#print(the_function(2, 2))
+
+# i = int(sys.argv[1])
+# badfiles = open("badfiles", "r").read().split("\n")[:-1]
+# the_function = eval("lambda x, y: " + badfiles[i].split("/")[-1].replace(" BAD FILENAME.png", ""))
+
+data = b''
+bar = libbar.IncrementalBar(max = img.height)
+bar.start()
+
+for y in range(1024):
+    data += b'\x00'
+    for x in range(0, 1024, 8):
+        this_pixel = 0;
+        for subx in range(8):
+            this_x = x + subx
+            val = the_function(this_x, y)
+            this_pixel += val
+            this_pixel <<= 1
+        this_pixel >>= 1
+        data += bytes([this_pixel])
+    bar.index = y
+    if y % 13 == 0: bar.update()
+
+
+img.write_raw_idat_data(img.compress(data))
+img.save(sbuilder(ops) + ".png")

sample/formula.txt

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+(((x^y)-y)*x >> 11) & 1
+
+1024x1024