def convert(operand, inputBase, outputBase):
#correct edge case of having only a decimal before the num
if '.' in operand:
idx = operand.index('.')
if idx == 0:
operand = '0' + operand[idx:]
elif idx == 1 and operand[0] == '-':
operand = '-0' + operand[1:]
# input is Decimal
if inputBase == Base.decimal:
if outputBase == Base.decimal:
return operand
elif outputBase == Base.hexadecimal:
return decToHex(operand)
elif outputBase == Base.binary:
return decToBin(operand)
elif outputBase == Base.sem:
return binsem(operand)
#input is Hex
elif inputBase == Base.hexadecimal:
if outputBase == Base.decimal:
return hexToDec(operand)
elif outputBase == Base.hexadecimal:
return operand
elif outputBase == Base.binary:
return hexToBin(operand)
elif outputBase == Base.sem:
return binsem(hexToDec(operand))
# input is Binary
elif inputBase == Base.binary:
if outputBase == Base.decimal:
return binToDec(operand)
elif outputBase == Base.hexadecimal:
return binToHex(operand)
elif outputBase == Base.binary:
return operand
elif outputBase == Base.sem:
return binsem(binToDec(operand))
#input is SEM
elif inputBase == Base.sem:
if outputBase == Base.decimal:
return flsem(operand)
elif outputBase == Base.hexadecimal:
return decToHex(normalize(flsem(operand)))
elif outputBase == Base.binary:
return decToBin(normalize(flsem(operand)))
elif outputBase == Base.sem:
return operand
def decToBin( n ):
isNegative = False
if n[0] == '-':
isNegative = True
n = n[1:]
n = normalize(n)
if '.' in n:
pL = n.find('.') # location of point
integer = n[:pL]
fraction = n[pL+1:]
integer = bin(int(integer))[2:] + '.'
fraction = float(n) - int( float(n) )
counter = 32
while counter > 0 and fraction != 0:
fraction *= 2
if fraction >= 1:
integer = integer + str(int(fraction))
fraction -= int(fraction)
else:
integer = integer + '0'
counter -= 1
num = removeInsignificantZeroes(integer)
return ('-' + num) if isNegative else num
else:
b = bin(int(n))[2:]
return ('-' + b) if isNegative else b
def decToHex( n ):
isNegative = False
if n[0] == '-':
isNegative = True
n = n[1:]
n = normalize(n)
if '.' in n:
pL = n.find('.')
integer = n[:pL]
fraction = n[pL+1:]
integer = hex(int(integer))[2:] + '.'
fraction = float(n) - int(float(n))
counter = 32
while counter != 0 and fraction != 0:
fraction *= 16
if fraction >= 1:
if int(fraction) == 10:
integer = integer + 'a'
elif int(fraction) == 11:
integer = integer + 'b'
elif int(fraction) == 12:
integer = integer + 'c'
elif int(fraction) == 13:
integer = integer + 'd'
elif int(fraction) == 14:
integer = integer + 'e'
elif int(fraction) == 15:
integer = integer + 'f'
elif int(fraction) <= 9:
integer = integer + str(int(fraction))
fraction -= int(fraction)
else:
integer = integer + '0'
counter -= 1
num = removeInsignificantZeroes(integer)
return ('-'+num) if isNegative else num
else:
h = hex(int(n))[2:]
return ('-' + h) if isNegative else h