def single_prec(v):


    return (-1)**int(v[0])*sum([int(v[i])*2**(8-i) for i in range(1,23)])



def double_prec(v):

        v+="0"*(64-len(v))
        return (-1)**int(v[0])*sum([int(v[i])*2**(11-i) for i in range(1,64)])


def IEEEsingle(v):
   	"""ใช้ IEEE สูตร
  	(-1)^2*2^(e-127)*1.f"""




def IEEEdouble(v):
  	"""ใช้ IEEE สูตร
	(-1)^2*2^(e-1023)*1.f"""