"Christophe" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > [EMAIL PROTECTED] a écrit :
> Floating point numbers just don't have the required precision to represent > 2.0 - 1e-050. For your specific problem, if you really want the result to > be < 2.0, the the best you can do is admit that floating point operations > have errors and return 0.0 when the modulus operation equals 2.0. I disagree. For any two floating-point numbers a and b, with b != 0, it is always possible to represent the exact value of a mod b as a floating-point number--at least on every floating-point system I have ever encountered. The implementation is not even that difficult.
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