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* [Bug libstdc++/53367] New: FMOD Standar C++ library
@ 2012-05-15 22:08 JoaquinMonleon at gmail dot com
2012-05-15 22:14 ` [Bug libstdc++/53367] " pinskia at gcc dot gnu.org
0 siblings, 1 reply; 2+ messages in thread
From: JoaquinMonleon at gmail dot com @ 2012-05-15 22:08 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53367
Bug #: 53367
Summary: FMOD Standar C++ library
Classification: Unclassified
Product: gcc
Version: 4.4.3
Status: UNCONFIRMED
Severity: major
Priority: P3
Component: libstdc++
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: JoaquinMonleon@gmail.com
Created attachment 27411
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27411
the preprocessed file (*.i*) that triggers the bug???
/*
Exact version of GCC: gcc version 4.4.3 (Ubuntu 4.4.3-4ubuntu5)
System Type: 32BITS --target=i486-linux-gnu.
Options given when GCC was configured/build:
The complete command line that triggers the bug: "g++ -lm fmod.cpp -o fmod"
The compiler output (error messages, warnings, etc.): None.
the preprocessed file (*.i*) that triggers the bug, generated by adding
-save-temps to the complete compilation command: As attachment
http://en.tiraecol.net/modules/comic/cache/images/tiraecol_en-5.png
*/
#include <cmath>
#include <iostream>
using namespace std;
const long double _1PI2 = 1.5707963267948966193L; // PI/2
const long double _3PI2 = 4.712388980384689858L; // 3*PI/2
long double my_fmod(long double numerator, long double denominator){
return numerator-((int)(numerator/denominator))*denominator;
}
int main(){
// GCC Standard Library fmod
cout << fmod(_3PI2,_1PI2) << endl;
// RETURNS 1.0842e-19 !!!!!!!!!!!!!!!!!!BUG BUG BUG!!!!!!!!!!!!!!
// my_fmod
cout << my_fmod(_3PI2,_1PI2) << endl;
// RETURNS 0
}
^ permalink raw reply [flat|nested] 2+ messages in thread
* [Bug libstdc++/53367] FMOD Standar C++ library
2012-05-15 22:08 [Bug libstdc++/53367] New: FMOD Standar C++ library JoaquinMonleon at gmail dot com
@ 2012-05-15 22:14 ` pinskia at gcc dot gnu.org
0 siblings, 0 replies; 2+ messages in thread
From: pinskia at gcc dot gnu.org @ 2012-05-15 22:14 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53367
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution| |MOVED
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-05-15 22:07:22 UTC ---
This calls directly fmodl which is not part of either libstdc++ or GCC. Please
report it to glibc since you are using glibc as your libc.
^ permalink raw reply [flat|nested] 2+ messages in thread
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2012-05-15 22:08 [Bug libstdc++/53367] New: FMOD Standar C++ library JoaquinMonleon at gmail dot com
2012-05-15 22:14 ` [Bug libstdc++/53367] " pinskia at gcc dot gnu.org
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