Received: from mout.gmx.net (mout.gmx.net [212.227.15.15]) by h1439878.stratoserver.net (8.14.4/8.14.4/Debian-2ubuntu2.1) with ESMTP id v46M17IY019051 for ; Sun, 7 May 2017 00:01:08 +0200 Received: from relay.uni-heidelberg.de ([129.206.100.212]) by mx-ha.gmx.net (mxgmx016 [212.227.15.9]) with ESMTPS (Nemesis) id 1MVtwN-1dWero44EH-00RtYZ for ; Sun, 07 May 2017 00:01:02 +0200 Received: from listserv.uni-heidelberg.de (listserv.uni-heidelberg.de [129.206.100.94]) by relay.uni-heidelberg.de (8.15.2/8.15.2) with ESMTP id v46M0uAX028175; Sun, 7 May 2017 00:00:56 +0200 Received: from listserv (localhost [127.0.0.1]) by listserv.uni-heidelberg.de (Postfix) with ESMTP id 9D04B127319; Sun, 7 May 2017 00:00:56 +0200 (CEST) Received: by LISTSERV.UNI-HEIDELBERG.DE (LISTSERV-TCP/IP release 16.0) with spool id 17039345 for LATEX-L@LISTSERV.UNI-HEIDELBERG.DE; Sun, 7 May 2017 00:00:55 +0200 Delivered-To: LATEX-L@listserv.uni-heidelberg.de Received: from relay.uni-heidelberg.de (relay.uni-heidelberg.de [129.206.100.212]) by listserv.uni-heidelberg.de (Postfix) with ESMTP id 0D7281272BD for ; Sun, 7 May 2017 00:00:55 +0200 (CEST) Received: from smtp5.clear.net.nz (smtp5.clear.net.nz [203.97.33.68]) by relay.uni-heidelberg.de (8.15.2/8.15.2) with ESMTP id v46M0jQv028121 for ; Sun, 7 May 2017 00:00:49 +0200 Received: from mxin1-orange.clear.net.nz (lb1-srcnat.clear.net.nz [203.97.32.236]) by smtp5.clear.net.nz (CLEAR Net Mail) with ESMTP id <0OPJ001NIX57KQ40@smtp5.clear.net.nz> for LATEX-L@listserv.uni-heidelberg.de; Sun, 07 May 2017 10:00:44 +1200 (NZST) Received: from 118-92-75-0.dsl.dyn.ihug.co.nz (HELO [192.168.1.2]) ([118.92.75.0]) by smtpin1.clear.net.nz with ESMTP; Sun, 07 May 2017 10:00:42 +1200 MIME-version: 1.0 Content-type: text/plain; charset=utf-8; format=flowed Content-transfer-encoding: 7bit X-Antivirus: Avast (VPS 170506-0, 06/05/2017), Outbound message X-Antivirus-Status: Clean User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 Message-ID: <5274464b-65bb-4261-bbeb-8e9f68e65bf2@clear.net.nz> Date: Sun, 7 May 2017 10:00:40 +1200 Reply-To: Mailing list for the LaTeX3 project Sender: Mailing list for the LaTeX3 project From: Andrew Parsloe Subject: l3fp flags: ln(1) raises underflow flag To: LATEX-L@LISTSERV.UNI-HEIDELBERG.DE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: List-Archive: Envelope-To: X-GMX-Antispam: 0 (Mail was not recognized as spam); Detail=V3; X-GMX-Antivirus: 0 (no virus found) X-UI-Filterresults: notjunk:1;V01:K0:8xkd3N/VdLU=:KhAUW3O2r55tzv3flH03zt9uGa yK7dDCgHgtvwZYQWU9NuEQpBlX+HGZGDzIrZ5G7hqa/jmgUx+mco8WyASk8U/7Xyhnu7wedEw WEXdR3ilEGpWu2kJk41yDdYIftuTAIluqln/WABAgFbqzv1Dfo94rqNBx3ys6Ph4r27G9PlmX JPmlbNUHwiK40XadsmzsEjbilLvIWLKnOTV83iACmHn6TL+gdDRDXmDEth5BRoOadeC3Xtc+F vibJmNNc67lN2MYjuQJNLcMaVgJoytOIf6b4yB5vtJicSF8qE5I6bWFXdEK0ldYWb07/r9Zyx jh9tUV80MEUJvkvEg6uCldUuG0chcC7MR/vmmC0UHF6D/9hxGPYGzG6Ucm60nkCi071hGBW1O befN6N61Arx2wQ3zgfck1hzX2a8jH1amwMO2jHnKQJXIClxglLKcz9y208ocgqF4WLwpBUrCq VqqkWLRg7n1G3XQNuxe0vhZBpC7pXcFCZY52i0qjbB+CuneA5RaZKRu02VJae9FUQnvivdkFT VH0mJuymRA4fmJiLpHe+arx6H3v/7iEXYVRVwZwSRNUTAtuGHOzT1UvQP38Tn+6RG+G6sv4cO E5EjGXvrzd6HJtgYVPNQWl/09/6gt8XUDVWbo86yPLAEoXQZW7rOTBYsvYbKnAlNObg9VHvcZ ULKut2FnFD7uKLjsAfCWqp2JmJ1wLaGKj9IvX3G4J/A9fc2xBxabhlaPYqKvNM/pe022+ELNc TgPBF0bR3C8l7jWS4wRDKSNeYtw2ZpQ8+pBPFM/vg5lyV3bJpNwz/eJqWtPObzm9Po2A3eIrv n6Tu41AgJtslSR3X3Y8QPcLZQtSdg6C0Ir1p39lXM7G2Si1Q6ZvStocvcFJtyqpSb+7fpoVRT sHG0vgKo+qpuwjJY6sh+t3aXts87Y8NjajOMn1c28wPO2AThrBlbaHI8FXc9IRcbjEvWH+I5e Zqf6ccHbidMXjdLKQXLcmMJ6gsNAMYqXMSy6ckIRWhlu061dRcS5uDtv+HOpJ7mtudBtHH1+w W1+ffY+L2UtyMRNWx+QVTM8vHjFaoWkjaYIWkZEavjutVgYuMPTkvyPeaD8HYJ55RPQtbXv1U jIlI4k3lOeXb9xxe+myC561BU7AgQy8SzMk6OV9729IMJEWYpPg5dq+FuR7b+MQd3rELNOBb0 i7hrhWXiKC7Ji3CeZf5lkIpC2enpEsFpA18ESSBpJrTfRqkM6M+n4s18dn2lglZNwb1tkq9JA 3fzSL4u7f4cCvDMMx6lxuGLrnGNK5g6GUwE4fuC0/SUBMMOzjhMWSCouDHPotPFOm/iVoun7x LFPOksWlJqLHJz+WdJ5SmjRL/nB3xfzNJALWhRz6h3Zw0Fb/yI3QMg8V0E6kmJjx8FdUdlQ0A FybRbTe0NFuCyqxZuVpUAtKktsL1VFxudtFaMJ+KHPlKjxP3sy5CUq1SSq93VvH8J8rHm6Ml0 EM2z17ylyrM0hpQw0kOTG/dZ1oWgTC1FnGxzBHe5KpkCEWUvoIxCnV0j+4KgU48m3Rw80Ub1x hZQ8/uTC6GUNalc6kwufCW9zhJwMBsEUm7yKuOsM+Wu9TAuVsQeM/Rw4tA4zarA== X-UI-Loop:V01:FDPug6rFTRo=:0jOy3mB2tAR4UYInWH6xYtXNTsikwf/ZEZ4gwtzBxxI= X-UI-Out-Filterresults: notjunk:1;V01:K0:aiAazyH9lZo=:+zEDk9yueSHJQ6ZeQz+YhM cBsG+d+r24aIpR8YcSwRpxPt5dn5rM5QFDRq6jHCBAVmj26MRqpv9WKjwZGNMVit3alV3Pu+m iSMJQO5sln4fxkV8lfVCNl01Y2XZ1o7aWrarZ5VejSTqPNbo1XOwiuuV5ReE2DtNKapo9y6YO dVxi0cRyyZ78/JG/0boi8qQGEdXZEMFRCdLMGP+CW5Jn6PrFrr0H7LVXdq2E1LiloCIc9n52k 1ZzHdRDoEdoRhyWqWjvEMGz5MwWos/NC2QdnE8JkxyhP4W481Bv9FvizyYbYlyklEngXkS5m/ Ur5Gj4x2d7S31kbdR0g+OyilOkO/vZoOXD9K9yEFJIT6Jzh8BscaD94GqMOXonsAGz8Cj8bX0 I3esgNsfKZvaYHW2SCay7pa1KZy1D6TrZbMpyZL173X0BhayBi0EsTkgQFygK8dEKA4pRrtZ/ piZcDRZf6A== X-Scanned-By: MIMEDefang 2.71 on 85.214.41.38 Status: R X-Status: X-Keywords: X-UID: 7971 I have finally got to grips with l3fp's exception handling. (The main difficulty was realising that an exception like division_by_zero is a different creature from the flag fp_division_by_zero.) However, I was surprised to find that \fp_eval:n { ln(1) } raises the underflow flag: \flag_height:n { fp_underflow } displays 1. Andrew --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus