Rename Number.prototype.clz to Math.clz
brendan at mozilla.com
Thu Jan 16 14:08:55 PST 2014
Kevin Reid wrote:
> On Thu, Jan 16, 2014 at 1:58 PM, Brendan Eich <brendan at mozilla.com
> <mailto:brendan at mozilla.com>> wrote:
> Kevin Reid wrote:
> FWIW: Common Lisp has rigorously transparent (that is, you
> cannot observe the machine word size) bigints and quite a few
> binary operations defined on them, so it's where I personally
> would look for precedent on such questions.
> (a) we don't have a bignum type yet; (b) we want to JIT to
> concrete machine types where possible. (b) does not require clz32
> vs. clz64 in my view, because of type inference or AOT
> type-checking (asm.js). But we don't want to require bignums.
> Yes, but choices which work for bignum also work for "I am working on
> 32-bit (or 8-bit or whatever) values which happen to be stored in a
> larger (53- or 64-bit) field, and the length of the larger field is
> irrelevant to the task".
Agreed, for integral types.
I remember the Harbison & Steele C book, lots of Common Lispy names,
like population_count() ;-).
More information about the es-discuss