From owner-sc22wg5+sc22wg5-dom8=www.open-std.org@open-std.org Wed Sep 27 01:21:06 2017 Return-Path: X-Original-To: sc22wg5-dom8 Delivered-To: sc22wg5-dom8@www.open-std.org Received: by www.open-std.org (Postfix, from userid 521) id 189623587DC; Wed, 27 Sep 2017 01:21:05 +0200 (CEST) Delivered-To: sc22wg5@open-std.org Received: from mail-pg0-f47.google.com (mail-pg0-f47.google.com [74.125.83.47]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) by www.open-std.org (Postfix) with ESMTP id 5E828356D2C for ; Wed, 27 Sep 2017 01:21:01 +0200 (CEST) Received: by mail-pg0-f47.google.com with SMTP id j16so6742908pga.1 for ; Tue, 26 Sep 2017 16:21:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceryinstitute.org; s=google; h=date:from:to:cc:message-id:in-reply-to:references:subject :mime-version; bh=5LPH5u2n75vQij6Gq3qj7kyl+qcpzY6zfkRlnsOpDkE=; b=Kw/GToV4uigqzSJS4gdDM4sY96U4UhfqCCnmq0+tmVzjcPTgd3vm2PFlLCqvfhXNP1 5K8N15L7DcCICAAPGYQnFh2/ubAeVUCHT6zRQXPcsDO41OudRhYbe3eAHRmf8pAY1fkn b65y1KhPs/3b3oqjzoTY+PWNDJiYgnHLwYbq0FUU2xNZv/OTXOQ7e240rfxEUnWePd0t qnduaxp8bnST47C14G7IlXENEaAw6x9KtjyGjg36FZxoDpCdCyKfEFchEG52s5kleO2a 2Zn9W0lb9h69pDlhjyO3Fn6QeQbTIW93F/gTBnpCrGQJ2b8B5K0t8KJQ247y14wU73Ly zPEw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:message-id:in-reply-to :references:subject:mime-version; bh=5LPH5u2n75vQij6Gq3qj7kyl+qcpzY6zfkRlnsOpDkE=; b=oqMI9U+EZV7PuQuF1X7HejQ9Hr3M/9TQJFDZETUpqe+b3QF2UNxRU6Eraowq57CSst YYUzaqERLPK5zKJW+IuxJb13LLejg+FBBD33x16Jm/GlbsgVGrS9Xlfu2UtEts9JnywQ pJE3Pgu1JgHWr1GezxpZL6Si5s80HJRntEulaR3NslQlcC3rt35yKxtggk1uucw42rYu DrJmMS/EpoVhybyaOkbV+QR67NVlTWKhEAt7bMBK5Yh6/VGMf6fInsswo0QE4z9jjLYk wIi1r3TV0PTAKQwI73vIpHLZu+wahkYPK+W7+5a+2IuB/t/BYBBKWYl1r6L3ZiYXWry5 hX4A== X-Gm-Message-State: AHPjjUhUbkAM1MW+1/bfOOHbgnDV3tnOsSakwfxg9J5kSwtzVv3Iqrc1 RoA+0iM1g4P/vHqgoqUFMgChcw== X-Google-Smtp-Source: AOwi7QBLlqicYIb31pTIISxDneXcc6dFzKhyRlIhl1l0S1Uo2mQvg6iiFVLRcqSh3529CloOyCo5vw== X-Received: by 10.99.150.25 with SMTP id c25mr3561781pge.241.1506468060025; Tue, 26 Sep 2017 16:21:00 -0700 (PDT) Received: from localhost.mail ([50.233.164.226]) by smtp.gmail.com with ESMTPSA id e7sm16855806pfi.188.2017.09.26.16.20.58 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 26 Sep 2017 16:20:58 -0700 (PDT) Date: Tue, 26 Sep 2017 16:20:57 -0700 From: Damian Rouson To: Bill Long , fortran standards email list for J3 , Van Snyder Cc: WG5 Message-ID: In-Reply-To: References: <20170926174021.A8F283587DC@www.open-std.org> <08474B91-8ACB-43E9-8568-8804C9FE3C44@cray.com> <20170926223420.27B2E3587DE@www.open-std.org> Subject: Re: (j3.2006) (SC22WG5.5962) generic programming in F2020 X-Mailer: Airmail (442) MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="59cae0d9_6b5811b0_b1c" Sender: owner-sc22wg5@open-std.org Precedence: bulk --59cae0d9_6b5811b0_b1c Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On September 26, 2017 at 3:44:45 PM, Bill Long (longb=40cray.com) wrote: > On Sep 26, 2017, at 5:34 PM, Van Snyder wro= te: =20 > =20 > I have concluded they're too simplistic to be worth the effort. =20 It depends on what problem you are trying to solve. If the problem is =E2= =80=9Cwe don=E2=80=99t have parameterized modules=E2=80=9D, then I agree = templates do not solve that problem. If it is =E2=80=9CI don=E2=80=99t wh= at to write multiple versions of the same code with different argument ty= pe/kind combinations=E2=80=9D then it does solve that problem. =20 It certainly seems to solve the case of most interest in OpenCoarrays. =C2= =A0We provide a module containing some parallel =46ortran 2015 features f= or users of compilers that don=E2=80=99t yet support the features. =C2=A0= The module has generic interfaces such as interface co=5Fmin =C2=A0 module procedure co=5Fmin=5Fc=5Fint, co=5Fmin=5Fc=5Fdouble end interface where the two specific procedures have identical definitions except for t= he first argument=E2=80=99s type. =C2=A0In case it=E2=80=99s of interest,= the definitions are here: https://github.com/sourceryinstitute/OpenCoarrays/blob/master/src/extensi= ons/opencoarrays.=4690=23L628 Damian --59cae0d9_6b5811b0_b1c Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline