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From: "gcc.hall at gmail dot com" <sourceware-bugzilla@sourceware.org> To: glibc-bugs@sourceware.org Subject: [Bug math/15470] New: On ARM llrintl() and llroundl() do not raise FE_INVALID with argument out of range Date: Wed, 15 May 2013 17:01:00 -0000 [thread overview] Message-ID: <bug-15470-131@http.sourceware.org/bugzilla/> (raw) http://sourceware.org/bugzilla/show_bug.cgi?id=15470 Bug #: 15470 Summary: On ARM llrintl() and llroundl() do not raise FE_INVALID with argument out of range Product: glibc Version: 2.13 Status: NEW Severity: normal Priority: P2 Component: math AssignedTo: unassigned@sourceware.org ReportedBy: gcc.hall@gmail.com Classification: Unclassified In the test program below, llrintl() and llroundl() do not raise FE_INVALID when passed a number one larger than the maximum signed long long int. The problem was found on ARM hf, it does not occur on x86. ======================================================================= #include <stdio.h> #include <math.h> #include <fenv.h> int main( void ) { long long int result; long double x = 9223372036854775808.0L; // LLONG_MAX + 1.0 printf( "x is %.20Lg\n", x ); feclearexcept( FE_INVALID ); result = llroundl( x ); if( fetestexcept( FE_INVALID ) ) printf( "FE_INVALID set\n" ); else printf( "FE_INVALID not set!\n" ); printf( "result is %lld\n", result ); return 0; } ==================================================================== Result: x is 9223372036854775808 FE_INVALID not set! result is -9223372036854775808 -- Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
next reply other threads:[~2013-05-15 17:01 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2013-05-15 17:01 gcc.hall at gmail dot com [this message] 2013-05-15 17:01 ` [Bug math/15470] " gcc.hall at gmail dot com 2013-05-15 17:19 ` joseph at codesourcery dot com 2013-05-15 19:25 ` joseph at codesourcery dot com 2014-02-06 18:33 ` [Bug math/15470] [arm] " jsm28 at gcc dot gnu.org 2014-06-13 17:45 ` fweimer at redhat dot com 2015-10-09 22:24 ` cvs-commit at gcc dot gnu.org 2015-10-09 22:25 ` jsm28 at gcc dot gnu.org
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