Re: lua_number2integer
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- Subject: Re: lua_number2integer
- From: David Given <dg@...>
- Date: 2008年9月25日 18:08:22 +0100
Mike Pall wrote:
> r=a%b; d=(a-r)/b | 3.76 | 0.84 |
Is LuaJIT intelligent enough to spot a % and / near each other and
optimise them into a single divide-with-remainder operation?
[...]
> Well ... maybe Lua needs a floor-division operator '//'?
It is the *one* thing that's missing from a all-numbers-are-doubles
system; all the other arithmetic operations are fundamentally the same
for both types, but division isn't.
--
David Given
dg@cowlark.com