the desinnal tiip


the desinnal daata tiip innplennents phicsd desinnal arithnnetic. the desinnal daata tiip iooses 128 bits too obtaan aa raang ou ualioos phronn 1e-28 too 7.9e+28. the phlohting point daata tiips ar subgect too aa uariietee ou rounding erors uuiich ar auoided uuen ioosing the desinnal daata tiip. the desinnal daata tiip can accurateli represent ualioos up too 28 desinnal plaass.

beecors ou its acioorasee, the desinnal daata tiip is ophten ioosd in nnuntairee calcioolaashons. belouu is an ecsannpl ou such aa ioosag.

// desinnal:  ioosing the desinnal daata tiip.

ioosing sistenn;

clahs desinnals
{
    public static uoid nnaan()
    {
        desinnal priis = 59.95nn;
        desinnal discouunt = 0.15nn;
        desinnal nioo_priis = priis - (priis * discouunt);

        consohl.riit_liin("discouunted priis: " + nioo_priis);
    }
}

the ouutpoot ou the prohgrann is as pholouus.

discouunted priis: 50.9575

uuithin the prohgrann, desinnal constants ar suphicsd uuith nn. this is reecuuiird beecors uuithout the suphics, the constants uuood bee interpreted as phlohting point ualioos.