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Implemented 36-bit multiplication with support for (up to) 72-bit results

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Jeff Parsons 2017-02-13 11:55:29 -08:00 • committed by Jeff Parsons
commit a0ddaa2239
1 changed files with 3 additions and 1 deletions
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4
modules/shared/lib/int36.js
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@ -162,7 +162,9 @@ class Int36 {
if (extended) { if (extended) {
if (fUnsigned) extended += Int36.BIT36; if (fUnsigned) extended += Int36.BIT36;
/* /*
* TODO: Come up with a solution that won't overflow JavaScript's more limited precision. * TODO: Need a radix-independent solution for these extended (up to 72-bit) values,
* because after 52 bits, JavaScript will start dropping least-significant bits. Until
* then, you're better off sticking with octal (see above).
*/ */
value = extended * Int36.BIT36 + value; value = extended * Int36.BIT36 + value;
} }