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=-0.8 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, MAILING_LIST_MULTI autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 13587 invoked from network); 26 Nov 2021 20:32:39 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 26 Nov 2021 20:32:39 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id 0CA7A9CE86; Sat, 27 Nov 2021 06:32:35 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id A33B19CE5D; Sat, 27 Nov 2021 06:30:30 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=fail reason="signature verification failed" (2048-bit key; secure) header.d=hamartun.priv.no header.i=@hamartun.priv.no header.b="ToEU4F19"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id 6C7EA9CE5D; Sat, 27 Nov 2021 06:30:28 +1000 (AEST) Received: from barsoom.hamartun.priv.no (barsoom.hamartun.priv.no [193.71.27.8]) by minnie.tuhs.org (Postfix) with ESMTPS id B2A5394942 for ; Sat, 27 Nov 2021 06:30:25 +1000 (AEST) Received: from thuvia.hamartun.priv.no (thuvia.hamartun.priv.no [193.71.27.7]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by barsoom.hamartun.priv.no (Postfix) with ESMTPS id 4J15wD3JNszG2dD; Fri, 26 Nov 2021 21:30:20 +0100 (CET) Authentication-Results: barsoom.hamartun.priv.no; arc=none smtp.remote-ip=193.71.27.7 ARC-Seal: i=1; a=rsa-sha256; d=hamartun.priv.no; s=barsoom; t=1637958620; cv=none; b=ga719HJY0anLxay2z7M4Pt+3kFW8FQgVtH6q4BENbpt4B1XIkDLO5sTIkdQauF/zeqQpT1JZsJPfpzAImgFvJqElkEHK5ZKVIw3bNJ0VsIQa3k9rfMq/g58Hz76MDjHWfMh3A7wj0s2BbU0WR4Y9deEhNQsNoFUvhshxPh1n5Ng= ARC-Message-Signature: i=1; a=rsa-sha256; d=hamartun.priv.no; s=barsoom; t=1637958620; c=relaxed/simple; bh=7t1BK3pxuFA0B55UqJzPypiFwdA95yp8jpb0I73BW9Q=; h=DKIM-Signature:Received:From:To:Cc:Subject:References:Date: In-Reply-To:Message-ID:User-Agent:MIME-Version:Content-Type; b=UyAJh+Ugj6p9WaOWr+vauyFeq9PP1Mfh2Fkp+haXKsTECsgf6pQKJD+1xVw3FyHRaHBDvYTKpTLBE1xGJzx5T46j1D/YcLm7B+TaRX4j+DGgN1dSOW9nM7Kr3gmOIGAQELiOEtrPYzpNRoK7qdhWywzbTyqZem0wEpHZlxpMHkc= ARC-Authentication-Results: i=1; barsoom.hamartun.priv.no DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=hamartun.priv.no; s=20200727; t=1637958620; bh=7t1BK3pxuFA0B55UqJzPypiFwdA95yp8jpb0I73BW9Q=; h=From:To:Cc:Subject:References:Date:In-Reply-To; b=ToEU4F19O9f1wBa0rKXQlOHnYGBtmgOPwUOlpWJO+tg/BcWisN0T8h+M/rt/AtX+n a9hUhL92fTBC1u23qRG2+h1jfYaV2HYVNiydjILQXJOlH8/WD1/mTPz516GYxPIjpi IeWQKWlkVa/juo+pBvbCBQro1ecm+dhMBbrka+hI8hYA5FBJfgHvG0MgyIiRa+u36x nUoML4sUexr7r3Zl6Tqkt9AWEV734VEyxYMdDBATSKtkS8oPiJe0YjI3mCBN8UWGie 829lshVsExiwNh7COXm3bjxaCUYWiGH18RpIX5Y02rdGuQKcWIU08EdAPCDWFmtV3T A8+fCVh9oAF6w== Received: by thuvia.hamartun.priv.no (Postfix, from userid 501) id 10D984DF20; Fri, 26 Nov 2021 21:30:20 +0100 (CET) To: Paul Winalski References: Date: Fri, 26 Nov 2021 21:30:20 +0100 In-Reply-To: (Paul Winalski's message of "Fri, 26 Nov 2021 11:59:35 -0500") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.3 (berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain Subject: Re: [TUHS] PL/I stuff - was: Book Recommendation X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Tom Ivar Helbekkmo via TUHS Reply-To: Tom Ivar Helbekkmo Cc: TUHS main list , Douglas McIlroy Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" Paul Winalski writes: > Back in the pre-virtual-memory days of the System/360, IBM offered its > compilers in at least three variants: F, G, and H. They differed in > the amount of memory required and in features and especially the > sophistication of the optimizations they performed. IBM PL/I H > required the most memory and performed the highest levels of > optimization. Is there any relationship, other than pure coincidence, between this naming scheme and DEC's F, G, and H floating point number formats? -tih -- Most people who graduate with CS degrees don't understand the significance of Lisp. Lisp is the most important idea in computer science. --Alan Kay