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  1. September 6th, 2013, 04:31 AM

    Thread: convert 8 bytes into double and back?

    by 2kaud
    Replies
    4
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    8,955

    Re: convert 8 bytes into double and back?

    One possible way of obtaining the id as a long long is



    #include <stdio.h>

    int main()
    {
    unsigned char id[] = {1,2,3,4,5,6,7,8};
  2. September 6th, 2013, 03:39 AM

    Thread: convert 8 bytes into double and back?

    by 2kaud
    Replies
    4
    Views
    8,955

    Re: convert 8 bytes into double and back?

    The format of a double is described in
    http://en.wikipedia.org/wiki/Double-precision_floating-point_format

    Basically there are 52 bits for the fraction part, 11 bits for the exponent and 1 bit...
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