That's strange. I believe I replied to different thread. Sorry. Sent from my Windows Phone ________________________________ From: Rick Waldron Sent: 04.11.2013 15:41 To: Ingvar Stepanyan Cc: es-discuss@mozilla.org Subject: Re: Re: Re: Math.sign vs ±0
On Mon, Nov 4, 2013 at 4:10 AM, Ingvar Stepanyan <m...@rreverser.com> wrote: > Why can’t we do Uint64 class inside Math namespace to be used for all the > 64-bit arithmetic operations? > > Like: > > var x = Math.Uint64(2); > var y = Math.Uint64.fromString(“0x12345678abcdef01”); > var z = x.mul(y); // or Math.Uint64.mul(x, y) > var z_hi = z.hi; // highest 32-bit part > var z_lo = z.lo; // lowest 32-bit part > var z_val = Number(z); // or z.valueOf(), returns IEEE.754-compatible > float64 number when possible (with highest possible precision, so no loss > up to +-2^52) > > Such syntax looks not so “low-level” for JS devs, should be easily > polyfilled by current engines and optimized by new ones. > Please read and review the value types proposal http://wiki.ecmascript.org/doku.php?id=strawman:value_types which will eventually replace the current contents of value objects http://wiki.ecmascript.org/doku.php?id=strawman:value_objects Rick
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