From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.5-pre1 (2020-06-20) on ip-172-31-74-118.ec2.internal X-Spam-Level: X-Spam-Status: No, score=-1.9 required=3.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.5-pre1 Path: eternal-september.org!reader02.eternal-september.org!aioe.org!pBWEO6hi52oGFheO/GY5ag.user.gioia.aioe.org.POSTED!not-for-mail From: Stephen Leake Newsgroups: comp.lang.ada Subject: Re: Performance of records with variant parts Date: Fri, 26 Mar 2021 08:38:16 -0700 Organization: Aioe.org NNTP Server Message-ID: <86h7kyapsn.fsf@stephe-leake.org> References: <07a56dcc-9e17-49b2-a980-3a5a2d265cedn@googlegroups.com> <23dcce3e-0db1-4417-a5d1-a05f03f74464n@googlegroups.com> <302c2e86-2379-46e0-b1f7-d69e7e14f9cfn@googlegroups.com> NNTP-Posting-Host: pBWEO6hi52oGFheO/GY5ag.user.gioia.aioe.org Mime-Version: 1.0 Content-Type: text/plain X-Complaints-To: abuse@aioe.org User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (windows-nt) X-Notice: Filtered by postfilter v. 0.9.2 Cancel-Lock: sha1:QoRY30kO16yu/g/Bk0qJdKbckZE= Xref: reader02.eternal-september.org comp.lang.ada:61656 List-Id: "Jeffrey R. Carter" writes: > On 3/24/21 12:00 AM, John Perry wrote: >> | if denom <= 0.0 then >> | [constraint_error when >> | objects__thing_typeD3 (obj.kind) >> | "discriminant check failed"] >> | [constraint_error when >> | objects__thing_typeD3 (obj.kind) >> | "discriminant check failed"] >> | return (vectors__vector_dot (obj.norm, ray.start) + >> | obj.offset) / (-denom); >> Am I right in thinking this is a bug? It shouldn't even check it, >> let alone check it twice. As a workaround, you can suppress checks in that block of code: pragma Suppress (Discriminant_Check); -- -- Stephe