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Re: How to simulate C style integer division?

From Random832 <random832@fastmail.com>
Newsgroups comp.lang.python
Subject Re: How to simulate C style integer division?
Date 2016-01-21 14:52 -0500
Message-ID <mailman.155.1453405932.15297.python-list@python.org> (permalink)
References <CAJQX3DyoDUtNWbNEpGVJxeKATADWAikP47NRZb7+UaxSwSRZaQ@mail.gmail.com> <mailman.143.1453367498.15297.python-list@python.org> <56a0d24f$0$1614$c3e8da3$5496439d@news.astraweb.com> <lf5mvrzuj5z.fsf@ling.helsinki.fi> <87mvrzc8bx.fsf@elektro.pacujo.net>

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On Thu, Jan 21, 2016, at 09:31, Marko Rauhamaa wrote:
> Maybe:
> 
>    def intdiv(a, b):
>        return a // b if (a < 0) == (b < 0) else -(-a // b)

Personally, I like a // b + (a % b and a ^ b < 0) - I've done the
opposite in C to get python-style division.

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Re: How to simulate C style integer division? Ben Finney <ben+python@benfinney.id.au> - 2016-01-21 20:11 +1100
  Re: How to simulate C style integer division? Paul Rubin <no.email@nospam.invalid> - 2016-01-21 01:43 -0800
    Re: How to simulate C style integer division? Jussi Piitulainen <jussi.piitulainen@helsinki.fi> - 2016-01-21 11:58 +0200
  Re: How to simulate C style integer division? Steven D'Aprano <steve@pearwood.info> - 2016-01-21 23:42 +1100
    Re: How to simulate C style integer division? Jussi Piitulainen <jussi.piitulainen@helsinki.fi> - 2016-01-21 16:00 +0200
      Re: How to simulate C style integer division? Marko Rauhamaa <marko@pacujo.net> - 2016-01-21 16:31 +0200
        Re: How to simulate C style integer division? Jussi Piitulainen <jussi.piitulainen@helsinki.fi> - 2016-01-21 16:48 +0200
        Re: How to simulate C style integer division? Random832 <random832@fastmail.com> - 2016-01-21 14:52 -0500
          Re: How to simulate C style integer division? Marko Rauhamaa <marko@pacujo.net> - 2016-01-21 23:17 +0200
            Re: How to simulate C style integer division? Matt Wheeler <m@funkyhat.org> - 2016-01-22 00:51 +0000
      Re: How to simulate C style integer division? Wolfgang Maier <wolfgang.maier@biologie.uni-freiburg.de> - 2016-01-21 15:22 +0100

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