From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Zelphir Kaltstahl Newsgroups: gmane.lisp.guile.user Subject: SRFI-27, deterministic random generator for floats Date: Thu, 28 Sep 2023 23:56:33 +0000 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="613"; mail-complaints-to="usenet@ciao.gmane.io" To: Guile User Original-X-From: guile-user-bounces+guile-user=m.gmane-mx.org@gnu.org Fri Sep 29 01:57:19 2023 Return-path: Envelope-to: guile-user@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1qm0sh-000ARy-JG for guile-user@m.gmane-mx.org; Fri, 29 Sep 2023 01:57:19 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qm0s7-0006Ps-74; Thu, 28 Sep 2023 19:56:43 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qm0s4-0006PN-Qy for guile-user@gnu.org; Thu, 28 Sep 2023 19:56:41 -0400 Original-Received: from mout02.posteo.de ([185.67.36.66]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qm0s2-0001VH-HI for guile-user@gnu.org; Thu, 28 Sep 2023 19:56:40 -0400 Original-Received: from submission (posteo.de [185.67.36.169]) by mout02.posteo.de (Postfix) with ESMTPS id 39649240101 for ; Fri, 29 Sep 2023 01:56:34 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=posteo.de; s=2017; t=1695945394; bh=tNfdCWjqP8oCRxVw5J5nvj3beDIqM5ELz9mLPrbLIVM=; h=Message-ID:Date:MIME-Version:From:To:Subject:From; b=jN1CLU2x0OWhBm0ImPZBSL+EIpFbCZcjfxIelQoDxMLrmKerOH3f29iuTD/Hfwdx9 ow3/DH8d/6J2EHry8oYKQFeyRz8YaRCzj4JJfHo9fdVKYxjCdqdec7FPld236772RL jKtvjtP/yL7QH8A9W6Mv8IbqRH6c0AJvuxTyr3tITyvi977vYljHMqvd4KfRnutwMd WqVaPDy7+VjrFYvHLIYMa/b95y0UuqqiwrtKLMLnJ5HBq/M4tMfHgBBn8t/rUTRP/+ bhKMFc9CoVHRXck4MpHEWQsO7HBOuJFQ+9Dk0dX3WdsrpBNkS6CcGnOnygJRiZ8y7u W8VeSkU5p9Cjg== Original-Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 4RxVkT5Z7Dz9rxn for ; Fri, 29 Sep 2023 01:56:33 +0200 (CEST) Content-Language: en-US Received-SPF: pass client-ip=185.67.36.66; envelope-from=zelphirkaltstahl@posteo.de; helo=mout02.posteo.de X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: guile-user@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: General Guile related discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guile-user-bounces+guile-user=m.gmane-mx.org@gnu.org Original-Sender: guile-user-bounces+guile-user=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.lisp.guile.user:19204 Archived-At: Hello Guile Users! I am trying to deterministically generate random floats using SRFI-27 and I stumbled upon something weird: ~~~~ (use-modules (srfi srfi-27)) (define random-source (make-random-source)) (define random-state (random-source-pseudo-randomize! random-source 0 12345)) (define random-float-gen (random-source-make-reals random-state)) (random-float-gen) ice-9/boot-9.scm:1685:16: In procedure raise-exception: In procedure struct-vtable: Wrong type argument in position 1 (expecting struct): # Entering a new prompt. Type `,bt' for a backtrace or `,q' to continue. (random-float-gen 5) ;;; :11:0: warning: possibly wrong number of arguments to `#' ice-9/boot-9.scm:1685:16: In procedure raise-exception: Wrong number of arguments to # Entering a new prompt. Type `,bt' for a backtrace or `,q' to continue. (random-float-gen 0 5) ;;; :11:0: warning: possibly wrong number of arguments to `#' ice-9/boot-9.scm:1685:16: In procedure raise-exception: Wrong number of arguments to # Entering a new prompt. Type `,bt' for a backtrace or `,q' to continue. ~~~~ I do not understand, what I am doing wrong, since the same seems to work for integers: ~~~~ (use-modules (srfi srfi-27)) (define random-source (make-random-source)) (define random-state (random-source-pseudo-randomize! random-source 0 12345)) (define random-integer-gen (random-source-make-integers random-source)) (random-integer-gen 10) ~~~~ What do I need to do, to get a deterministic generator like I have for integers? (This is using Guile installed via Guix using the following channels: ~~~~ (list (channel (name 'guix) (url"https://git.savannah.gnu.org/git/guix.git") (branch "master") (commit "772eaa69f31457aa19ca4dc4ce755c791d722054") (introduction (make-channel-introduction "9edb3f66fd807b096b48283debdcddccfea34bad" (openpgp-fingerprint "BBB0 2DDF 2CEA F6A8 0D1D E643 A2A0 6DF2 A33A 54FA"))))) ~~~~ ) Regards, Zelphir -- repositories:https://notabug.org/ZelphirKaltstahl