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import struct
def enumerate_stepped(l, start=0, step=1):
p = start
for e in l:
yield p, e
p += step
def back_align(x, al):
return x - (x % al)
def forward_align(x, al):
return (x + (al - 1)) & ~(al - 1)
def as_double(b):
return struct.unpack(">d", b)[0]
def as_dword(b):
return struct.unpack(">Q", b)[0]
def as_float(b):
return struct.unpack(">f", b)[0]
def as_word(b):
return struct.unpack(">I", b)[0]
def as_hword(b):
return struct.unpack(">H", b)[0]
def as_double_list(b):
return [i[0] for i in struct.iter_unpack(">d", b)]
def as_dword_list(b):
return [i[0] for i in struct.iter_unpack(">Q", b)]
def as_float_list(b):
return [i[0] for i in struct.iter_unpack(">f", b)]
def as_word_list(b):
return [i[0] for i in struct.iter_unpack(">I", b)]
def as_hword_list(b):
return [h[0] for h in struct.iter_unpack(">H", b)]
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