Karmennevaya Dhikaraste, Maaphaaleshu Kadaachanah
----- Original Message ----
From: ~Rick <[EMAIL PROTECTED]>
To: [email protected]
Sent: Thursday, 15 November, 2007 8:30:17 PM
Subject: Re: [c-prog] how to convert hexadecimal to binary in c-langugae
At Wednesday 11/14/2007 09:54 PM, you wrote:
>hi to all,
> am very new to the c -languge.
> how to convert hexadecimal to binary in c-langugae.
> any body send the source code...
>
> Regards,
> Rajesh.
Your request is a bit unclear. Numbers (data in general) are stored
in a computer's memory as binary values.
Do you want to convert the DISPLAY of a number from one format to
another? Or take a display (in hexadecimal representation) of a
number and convert it to a binary number?
Hexadecimal "digits" range from 0-F, or 0-15; 0 - 9 plus A=10, B=11,
C=12, D=13, E=14 and F=15.
So hexadecimal 05 equals 5, hexadecimal 0F equals 15, hexadecimal 10
would equal decimal 16. ((16 * 1) + 0). Hexadecimal F2 equals
((15*16) + 2) or decimal 242.
So, walk through the digits and multiply it by its' units value
(0-15), (16-255), (256-2047), etc.
If you want to actually display the digits in binary, you need to
determine the value of each bit in the number. Step through the bits,
and print a '0' or '1' based on the bit value.
Hexadecimal F2 would be '11110010'
~Rick
I am in tune with Rick.Just for simplifying the matter heres the steps :
1: make an array 8 times the sizeof the number whose binary equivalent you
want to find out.
2: take one end of the array (say the last element ) and the number whose
binary value you want to find out to a temporary value.
3: AND the temporary value with 1(one) and store the value to the array.
4. Increment the array counter and and right shift the digit(whose binary
value is required) by one.
5. Store the value to the temporary digit.
6. Check if all the bits of the digit has been accessed. If not go to step 3
>else the value in the array is the required value.
If you want the ASCII value the add '0' to each element of the array.
Hope it simplifies the matter
Debasish
>
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