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b/python/maths.py |
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import struct |
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value = struct.pack('>hh', 125, 148) |
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print([value, ]) |
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print([struct.unpack('f', value)]) |
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def bits(bytes): |
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print("+++++++++++++++++++") |
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""" |
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Helper function to get a tuple of the bits in a byte. |
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:param byte: The byte from which to get the bits. |
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:return: Tuple of bits in the byte param. |
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""" |
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value = 0 |
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bits_list = [] |
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packed = [] |
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for byte in bytes: |
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level = 0 |
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print(byte) |
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bit_list = [] |
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for i in range(8): |
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level <<= 1 |
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bit_list.append(byte >> i & 1) |
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level |= byte >> i & 1 |
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print(level) |
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print(bit_list) |
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value += level |
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print(value) |
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packed.append(struct.unpack('f', struct.pack('>l', value))) |
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print(packed) |
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print("math") |
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# print(packed[0][0] + packed[1][0]) |
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# print(packed[0][1] / packed[0][0] * 16) |
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# print(packed[0][0] * packed[0][1] * packed[1][0] * packed[1][1] * 16) |
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# print(packed[0] / packed[1]) |
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# print((packed[0] / packed[1]) / 128) |
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# print((packed[0] / packed[1]) / 256) |
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# print(packed[0] * packed[1]) |
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# print("flopped") |
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# print(packed[1] + packed[0]) |
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# print((packed[1] + packed[0]) / 128) |
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# print(packed[1] / packed[0]) |
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# print((packed[1] / packed[0]) / 128) |
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# print((packed[1] / packed[0]) / 256) |
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# print(packed[1] * packed[0]) |
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# print("mangled") |
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# mange = packed[1] + packed[0] |
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# added_mod = struct.pack('l', mange) |
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# print([added_mod, ]) |
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# print(struct.unpack('d', added_mod)) |
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print("------------------") |
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return value |
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b = bits([227, 125, ]) |
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b = bits([6, 126, ]) |
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print(b) |
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'4080.00389105' |
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'4080.99610901' |
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'4335.0000152' |
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'4335.003891' |
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'4335.99609375' |
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def bits_to_float(b): |
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print('bits to float') |
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print('b: {}'.format(b)) |
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print('bj: {}'.format("".join(b))) |
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b = "".join(b) |
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print('a: {}'.format(b)) |
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# s = struct.pack('L', b) |
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# print("s: {}".format(s)) |
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return struct.unpack('>d', b)[0] |