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Date: | Sat, 4 Jun 2005 13:14:10 -0400 |
From: | Christopher Faylor <cgf-no-personal-reply-please AT cygwin DOT com> |
To: | cygwin AT cygwin DOT com |
Subject: | Re: lrint() incorrect results. |
Message-ID: | <20050604171410.GA32605@trixie.casa.cgf.cx> |
Reply-To: | cygwin AT cygwin DOT com |
References: | <BAY14-F212498F03CFC02D16F95FED0F90 AT phx DOT gbl> |
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In-Reply-To: | <BAY14-F212498F03CFC02D16F95FED0F90@phx.gbl> |
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On Sun, Jun 05, 2005 at 02:58:34AM +1000, Luke Hutchinson wrote: >lrint() does not appear to be working correctly under Cygwin. > >The following simple test program compiled with g++ 3.3.3 demonstrates the >problem. > >#include <iostream> >#include <cmath> > >int main(void) { > std::cout << "lrintf(0.5f)\t" << lrintf(0.5f) << "\n" > "lrintf(-0.5f)\t" << lrintf(-0.5f) << "\n" > "lrint(0.5)\t" << lrint(0.5) << "\n" > "lrint(-0.5)\t" << lrint(0.5) << std::endl; > return 0; >} > >The output is > >lrintf(0.5f) 0 >lrintf(-0.5f) 0 >lrint(0.5) 2 >lrint(-0.5) 2 > >Running the same code under Linux (fedora core 1) gives the expected >results of, > >lrintf(0.5f) 0 >lrintf(-0.5f) 0 >lrint(0.5) 0 >lrint(-0.5) 0 Seems to be YA newlib problem. Dave Korn, can I press you into service to look at this since you've previously demonstrated such amazing adeptness with newlib? :-) cgf -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
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