Re: Convert array to integer value

[David Gillon <David.Gillon@spamtrap.baesystems.com>]

Stephen Frackelton wrote:
> I have set up an array of integers, value 0..1, to simulate a word, 16 bits.
> I need to convert this array of 0's and 1's from the binary value to its
> corresponding integer value.
> is there any simple way of doing this ?
> All i can think of is for loop through the array and having a translation
> table for each position within the array, i.e if bit 5 = 1 then add 16 to
> total, if bit 6 = 1 then add 32 to total and so on.
> any other ideas ?

Without getting into questions over why you would want to use a
datastructure like that, try the following algorithm:

Sum = 0
For Count = 1 to 16 
  Sum = Sum + ((2 ** Count-1) * Integer_Array(Count))

(And there's also a perfectly good internal company newsgroup for Ada
questions)
 
-- 


David Gillon