From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-3.3 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 12464 invoked from network); 24 Apr 2021 16:06:29 -0000 Received: from zero.zsh.org (2a02:898:31:0:48:4558:7a:7368) by inbox.vuxu.org with ESMTPUTF8; 24 Apr 2021 16:06:29 -0000 ARC-Seal: i=1; cv=none; a=rsa-sha256; d=zsh.org; s=rsa-20200801; t=1619280389; b=GB7m1PnbOdK0gzQs9k0pve5FgK9+sg+lVcEx9l6Ge9WTQN/beycG1Zi8azC1l+ShLqgpL01QhP 95xVM+hZB+klaopYg0q9ublnYRFM0QeHdnroLwi402vt9Pt/TXUtkVNaYSBCLg9/t7wqP7Ipp5 1OJNbJyw4ekZ4SObX4XBtUdD3qSG/njdc/bSo02TjCmneDOk+6fJODcMkCjquivq/2Xd5Rt02I 42pO6ERl6ZlmeStzy8CW1icQrDPrmXRT3zw05loNJyjoIPAWu8xT0lHBr/eJsEzzrfKcqqmEIL d29+U35v3pAzzjczJxhjZLQmyGzQt5ATkmBPgHMkHfG/xQ==; ARC-Authentication-Results: i=1; zsh.org; iprev=pass (mail-ot1-f41.google.com) smtp.remote-ip=209.85.210.41; dkim=pass header.d=brasslantern-com.20150623.gappssmtp.com header.s=20150623 header.a=rsa-sha256; dmarc=none header.from=brasslantern.com; arc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed; d=zsh.org; s=rsa-20200801; t=1619280389; bh=ye5db93q41Ehym+UQMc1QSvMtbP32owH/rQS/RuLg1M=; h=List-Archive:List-Owner:List-Post:List-Unsubscribe:List-Subscribe:List-Help: List-Id:Sender:Content-Type:To:Subject:Message-ID:Date:From:In-Reply-To: References:MIME-Version:DKIM-Signature:DKIM-Signature; b=v8la9nrTCumWed3AEMS0Fp7onL0aGE2xotoWys6w3Rfj8uoeqje8W3gJtaXaOIpQKq+/X3JopP 2AwSpP5Ut990a/T5aoGXsfHJgZ9NfB5Xzv3pUbZWdSc2XzRb8zjBRuh2lWE2wV9rFJZ5xPTnnb PzrZfzzWkqI5jttHV2TesRCfRUfXtuvNX0dpmGZlsQ4mmHcnQV0zruluntzhZ5NfjsrinAmL0u aTHnHy0NIb9/ljPE+FYHv3iKgstGsBxUDhi4v5tpTQ2hAREvdkew3GmvkF4ajRpBa3KOjWh25K Ljp49TFa+Eav45AknzVVuWwBsge/UUmlJ7oFoLgoq7G4mw==; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=zsh.org; s=rsa-20200801; h=List-Archive:List-Owner:List-Post:List-Unsubscribe: List-Subscribe:List-Help:List-Id:Sender:Content-Type:To:Subject:Message-ID: Date:From:In-Reply-To:References:MIME-Version:Reply-To:Cc: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID; bh=/pN45Q6adkENu8HezcVyZ+guqybO+hCUJUol8coFVps=; b=LL3EE0ZAh0BXLB3WTV+uCzeufV nmJwkYsO68zG0rSfQ90o7WUS7GMXB81CUlezRHQKU9ZqyYYwqlCIljJfAadvxhz+QqeI2YUFYUHHa vcKsvx60GdiBRI7DQFF9Z38ukHf7nezlHCFtoyb7ASMOakKm7I30csBXTyA8uO1+lSmkgxKMPuO4K UA0Vd2js6/xlsO6TSR7EM1hw0SPPbVGCYY6gcJ4t3+PH/+cv/AHPTQ3yyt20Pu1UapXufiMg6x9aK ctnMgKmFm6IYudt/39lwNV3kbK2EDZgleqljU0iB2h/O8NrC7yfkpPb6YjfoJJCEZecZBjcyCQyR7 a2Pf/hiA==; Received: from authenticated user by zero.zsh.org with local id 1laKnZ-000NPs-JG; Sat, 24 Apr 2021 16:06:25 +0000 Authentication-Results: zsh.org; iprev=pass (mail-ot1-f41.google.com) smtp.remote-ip=209.85.210.41; dkim=pass header.d=brasslantern-com.20150623.gappssmtp.com header.s=20150623 header.a=rsa-sha256; dmarc=none header.from=brasslantern.com; arc=none Received: from mail-ot1-f41.google.com ([209.85.210.41]:40626) by zero.zsh.org with esmtps (TLS1.3:TLS_AES_128_GCM_SHA256:128) id 1laKm7-000N8F-1S; Sat, 24 Apr 2021 16:04:55 +0000 Received: by mail-ot1-f41.google.com with SMTP id g4-20020a9d6b040000b029029debbbb3ecso15043075otp.7 for ; Sat, 24 Apr 2021 09:04:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=brasslantern-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=/pN45Q6adkENu8HezcVyZ+guqybO+hCUJUol8coFVps=; b=Ltiyk2C06GgzGtEVk1lmAmwTNzXnTy1mUYq1sWjHUNmKJbT23vhVtiaxy4AphUVsIZ arN+R9vLR/oKAXc7Kp+VQbfgJYSfmOHBLCoeUzdzgdi35fhfQ38g/Axaz7bpybLim7vE mifggLOzqAEYUaYTU+cvPwF5bJruvxZ3vHaGxE8a620vbC4GgMa1B+A+aohSaO+E0PH8 8i9Wp+19OctCm+Q11+bFtMdDAcAYcesy4EicFSvCzEhuZ/1j40uJjRtDGiLhqs7gipBr sgnWARf3ebmrjWx5RVlJLAMwEl5PPOjN9FCp+pI5Cbk5EgPBeMzBBEE9UwLaD3CJ3Fxr FKBw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=/pN45Q6adkENu8HezcVyZ+guqybO+hCUJUol8coFVps=; b=i7gH5i1FJXBs7OKRvHQCvyeza0/+0OSRaq/RWj7VMAwgAL+sV0ZY4dGzk/M9R4dn8x g0irkk8PTnzECn1DV6bOVTdXHQHbrzNTuvODM6v7BoEQ27c6T5CcnEWTJTC38+NdD5Wr fGIwUlIMmIB9i0y52q33l+xilhgdywJLDYiN9IJ2dNay5oqyoo5jMOvWh2rR+FyvKaKH GxPSMGRPKGThSGBDxMOPkbH7nmxf/hJqqwo2uYLDYyAjggvH3dEnMvBEnkQoLaMjygkc aXVDb2GyG/8fItBH23UpwqNjRVKo6yzazuW5uAHG96eWzGbVD9XDg1AfnTGlSSeICNrO 1Maw== X-Gm-Message-State: AOAM532Lck/NMraaNX8en8iNMmdxHrBw6aXrfret73zF2JlA5N5gMrZV 8eXae2qN6BYNmTYukufKL86GjZpfe89hzjaQTCPM1U4rv0NriQ== X-Google-Smtp-Source: ABdhPJxVLgB/sod3iu2y7oKlKGskyXUMQImkC4Gv8yF2OFlulHt+etXw6XfxQ0BhXmZiDacG41joxOwohpCHvimkGy0= X-Received: by 2002:a05:6830:55b:: with SMTP id l27mr7556111otb.260.1619280293624; Sat, 24 Apr 2021 09:04:53 -0700 (PDT) MIME-Version: 1.0 References: <20210413071742.tisslgg5fdqbageg@chazelas.org> <20210422153100.GD154089@zira.vinc17.org> <20210423164525.GA2033191@zira.vinc17.org> <55222-1619218004.791735@3FXq.NU49.vlrg> <0f0a356e-2499-427f-a8f4-c485d1d64e6e@www.fastmail.com> <20210424073304.uab77qvaeyinmvzd@chazelas.org> In-Reply-To: <20210424073304.uab77qvaeyinmvzd@chazelas.org> From: Bart Schaefer Date: Sat, 24 Apr 2021 09:04:41 -0700 Message-ID: Subject: Re: sh emulation POSIX non-conformances ("inf"/"Inf" in arithmetic expressions) To: Zsh hackers list Content-Type: text/plain; charset="UTF-8" X-Seq: 48688 Archived-At: X-Loop: zsh-workers@zsh.org Errors-To: zsh-workers-owner@zsh.org Precedence: list Precedence: bulk Sender: zsh-workers-request@zsh.org X-no-archive: yes List-Id: List-Help: List-Subscribe: List-Unsubscribe: List-Post: List-Owner: List-Archive: On Sat, Apr 24, 2021 at 12:33 AM Stephane Chazelas wrote: > > $ Infinity=42 zsh -c 'printf "%g\n" Infinity' > inf That's ... curious ... Infinity=42 zsh -c 'printf "%g\n" $(( Infinity ))' 42 > (as that's what strtod() returns) Er, hm. Does that mean we should be using strtod() in math context instead of hard-coding "Inf" into the lexer?