Re: writing Chinese dialects

From: vunzndi@vfemail.net
Date: Tue Feb 06 2007 - 09:42:33 CST

  • Next message: James Cloos: "Re: writing Chinese dialects"

    Ah, why is it called polish order?

    Quoting James Cloos <cloos@jhcloos.com>:

    >>>>>> "vunzndi" == vunzndi <vunzndi@vfemail.net> writes:
    >
    > vunzndi> Standard ids addresses this by using reverse polish order,
    > vunzndi> ... , in this case (a+b)/c becomes /+abc, whereas a+b/c
    > vunzndi> becomes +ab/c .
    >
    > Actually, that is polish order, not reverse polish. Polish order is
    > as seen in lisp: << (+ 1 4) >> returns 5. Reverse Polish order is as
    > seen in stack-based languages like forth: << 1 4 + >> returns 5.
    >
    > So, infix (a+b)/c is ab+c/ and infix a+b/c is abc/+ in Reverse Polish.
    >
    > -JimC
    > --
    > James Cloos <cloos@jhcloos.com> OpenPGP: 1024D/ED7DAEA6
    >

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