# 32 bits integer max
max = 0x7FFFFFFF
# 32 bits interger min
min = 0x80000000
mask = 0xFFFFFFFF
def bin32(a):
mask = 0xFFFFFFFF
a &= mask
res = ''
i = 0
while a != 0 or i < 32:
res = str(a & 1) + res
a >>= 1
i += 1
return res
def bin64(a):
mask = 0xFFFFFFFFFFFFFFFF
a &= mask
res = ''
i = 0
while a != 0 or i < 64:
res = str(a & 1) + res
a >>= 1
i += 1
return res
bin32(2)
bin32(~2)
bin32(~2+1)
bin32(-2) # -2 = ~2 + 1
bin32(1)
bin32(-1)
# or simply
def bin32(a):
mask = 0xFFFFFFFF
a = bin(a&mask)[2:]
return a
def bin64(a):
mask = 0xFFFFFFFFFFFFFFFF
a = bin(a&mask)[2:]
return a
