> Try this:
>
> #include <stdio.h>
>
> main()
> {
> double f1 = 123.45;
> double f2 = 123.00;
> double r;
>
> r = f1 - f2;
> printf("%0.15f %0.15f %0.15f\n", f1, f2, r);
> }
>
> Internal representation of 123.45 is not exact. In the conversion to
> binary, an irrational number is created which is truncated to 64 bits.
Yes, someone pointed this out to me in private e-mail, and I wrote a C
program to confirm it. I just had never seen such rounding on such
small non-irrational numbers.
-- Bruce Momjian | http://www.op.net/~candle maillist@candle.pha.pa.us | (610)
853-3000+ If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill,
Pennsylvania19026
