From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 17133 invoked by alias); 31 Mar 2003 13:36:01 -0000 Mailing-List: contact gcc-prs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-prs-owner@gcc.gnu.org Received: (qmail 17111 invoked by uid 71); 31 Mar 2003 13:36:00 -0000 Resent-Date: 31 Mar 2003 13:36:00 -0000 Resent-Message-ID: <20030331133600.17110.qmail@sources.redhat.com> Resent-From: gcc-gnats@gcc.gnu.org (GNATS Filer) Resent-Cc: gcc-prs@gcc.gnu.org, gcc-bugs@gcc.gnu.org Resent-Reply-To: gcc-gnats@gcc.gnu.org, voykov@casaccia.enea.it Received: (qmail 15504 invoked by uid 48); 31 Mar 2003 13:29:02 -0000 Message-Id: <20030331132902.15503.qmail@sources.redhat.com> Date: Mon, 31 Mar 2003 14:16:00 -0000 From: voykov@casaccia.enea.it Reply-To: voykov@casaccia.enea.it To: gcc-gnats@gcc.gnu.org X-Send-Pr-Version: gnatsweb-2.9.3 (1.1.1.1.2.31) Subject: libstdc++/10277: Asymptotic of 'exp(x)' for small 'float x'. X-SW-Source: 2003-03/txt/msg02104.txt.bz2 List-Id: >Number: 10277 >Category: libstdc++ >Synopsis: Asymptotic of 'exp(x)' for small 'float x'. >Confidential: no >Severity: serious >Priority: medium >Responsible: unassigned >State: open >Class: sw-bug >Submitter-Id: net >Arrival-Date: Mon Mar 31 13:36:00 UTC 2003 >Closed-Date: >Last-Modified: >Originator: g. k. voykov >Release: GCC 3.2.2 from DJGPP zip files >Organization: >Environment: Intel Pentium III, Windows 98, Compaq Deskpro >Description: Differences between GCC 3.0.2 and GCC 3.2.2 behaviour calculating 'exp(x)' for small 'float x'. >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted: ----gnatsweb-attachment---- Content-Type: application/octet-stream; name="gcc322.cxx" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="gcc322.cxx" DQojaWYgMA0KQGVjaG8gR0NDIDMuMi4yIGNvbXBpbGF0aW9uIC4uLg0KQGVjaG8gb2ZmDQpnY2Mg LWMgJTEuY3h4IC1wZWRhbnRpYy1lcnJvcnMgLVdhbGwNCmlmIGVycm9ybGV2ZWwgMSBnb3RvIGVu ZA0KQGVjaG8gICAgICAgICAgICAgIGxpbmtlZGl0IC4uLg0KZ3h4IC1vICUxICUxLm8gLWxtDQpp ZiBlcnJvcmxldmVsIDEgZ290byBlbmQNCmRlbCAlMS5vDQpkZWwgJTENCkBlY2hvICAgICAgICAg ICAgIGV4ZWN1dGlvbiAuLi4NCiUxLmV4ZQ0KOmVuZA0KI2VuZGlmDQoNCi8vIFRlc3RpbmcgJ2V4 cCh4KScgZm9yIHNtYWxsIHZhbHVlcyBvZiAneCcNCg0KI2luY2x1ZGUgPGlvc3RyZWFtPg0KI2lu Y2x1ZGUgPGlvbWFuaXA+DQojaW5jbHVkZSA8Y21hdGg+DQp1c2luZyBuYW1lc3BhY2Ugc3RkOw0K DQppbnQgbWFpbigpDQp7DQogICAgLy8gT0sgIQ0KICAgIGNvdXQgPDwgIlxuIHNtYWxsIGFyZ3Vt ZW50LCBwb3NpdGl2ZSwgZG91YmxlXG4iOw0KICAgIGRvdWJsZSBkID0gMS4yNWUtMTY7DQogICAg Zm9yIChpbnQgaSA9IDE7IGkgPCAzOyBpKyspIHsNCiAgICAgICAgY291dCA8PCBzY2llbnRpZmlj IDw8IHNldHByZWNpc2lvbigyKQ0KICAgICAgICAgICAgIDw8IHNldHcoMTUpIDw8IGQNCiAgICAg ICAgICAgICA8PCBzZXR3KDIwKSA8PCAxLjAgLSBleHAoZCkgPDwgJ1xuJzsNCiAgICAgICAgZCAv PSAyOw0KICAgIH0NCiAgICBjb3V0IDw8ICIgc21hbGwgYXJndW1lbnQsIG5lZ2F0aXZlLCBkb3Vi bGVcbiI7DQogICAgZCA9IC0xLjAwZS0xNjsNCiAgICBmb3IgKGludCBpID0gMTsgaSA8IDM7IGkr Kykgew0KICAgICAgICBjb3V0IDw8IHNldHcoMTUpIDw8IGQNCiAgICAgICAgICAgICA8PCBzZXR3 KDIwKSA8PCAxLjAgLSBleHAoZCkgPDwgJ1xuJzsNCiAgICAgICAgZCAvPSAyOw0KICAgIH0NCiAg ICBjaW4uZ2V0KCk7DQoNCiAgICAvLyBXQVJOSU5HICENCiAgICBjb3V0IDw8ICJcbiBzbWFsbCBh cmd1bWVudCwgcG9zaXRpdmUsIGZsb2F0XG4iOw0KICAgIGZsb2F0IGYgPSA1LjY4ZS0yMDsNCiAg ICAvL2Zsb2F0IGYgPSA2LjI1ZS04OyAgLy8gR0NDIDMuMC4yDQogICAgZm9yIChpbnQgaSA9IDE7 IGkgPCAzOyBpKyspIHsNCiAgICAgICAgY291dCA8PCBzZXR3KDE1KSA8PCBmDQogICAgICAgICAg ICAgPDwgc2V0dygyMCkgPDwgMS4wIC0gZXhwKGYpIDw8ICdcbic7DQogICAgICAgIGYgLz0gMjsN CiAgICB9DQogICAgY291dCA8PCAiIHNtYWxsIGFyZ3VtZW50LCBuZWdhdGl2ZSwgZmxvYXRcbiI7 DQogICAgZiA9IC0yLjg0ZS0yMDsNCiAgICAvL2YgPSAtNS4wMGUtODsgICAgICAgLy8gR0NDIDMu MC4yDQogICAgZm9yIChpbnQgaSA9IDE7IGkgPCAzOyBpKyspIHsNCiAgICAgICAgY291dCA8PCBz ZXR3KDE1KSA8PCBmDQogICAgICAgICAgICAgPDwgc2V0dygyMCkgPDwgMS4wIC0gZXhwKGYpIDw8 ICdcbic7DQogICAgICAgIGYgLz0gMjsNCiAgICB9DQp9DQoNCiNpZiAwDQogc21hbGwgYXJndW1l bnQsIHBvc2l0aXZlLCBkb3VibGUNCiAgICAgICAxLjI1ZS0xNiAgICAgICAgICAgLTIuMjJlLTE2 DQogICAgICAgNi4yNWUtMTcgICAgICAgICAgICAwLjAwZSswMA0KIHNtYWxsIGFyZ3VtZW50LCBu ZWdhdGl2ZSwgZG91YmxlDQogICAgICAtMS4wMGUtMTYgICAgICAgICAgICAxLjExZS0xNg0KICAg ICAgLTUuMDBlLTE3ICAgICAgICAgICAgMC4wMGUrMDANCg0KIHNtYWxsIGFyZ3VtZW50LCBwb3Np dGl2ZSwgZmxvYXQNCiAgICAgICA1LjY4ZS0yMCAgICAgICAgICAgLTEuMDhlLTE5DQogICAgICAg Mi44NGUtMjAgICAgICAgICAgICAwLjAwZSswMA0KIHNtYWxsIGFyZ3VtZW50LCBuZWdhdGl2ZSwg ZmxvYXQNCiAgICAgIC0yLjg0ZS0yMCAgICAgICAgICAgIDUuNDJlLTIwDQogICAgICAtMS40MmUt MjAgICAgICAgICAgICAwLjAwZSswMA0KI2VuZGlmDQo=