Re: [boost] [math] floating point classification - testing help wanted

From: Pedro Lamarão (pedro.lamarao_at_[hidden])
Date: 2005-12-04 16:54:56

John Maddock wrote:

[SNIP]

> Win32:
> VC6: Can't detect signaling NaN's (_isnan is broken).
> VC7, 7.1, 8: OK
> Intel 7, 8, 9: OK provided you're not using the VC6 runtime.
> GCC cygwin: OK.
> Borland 5.6.4: So broken I don't know where to begin :-(
> 
> HP-UX:
> gcc-3.4.2: OK.
> aCC: OK (native fpclassify broken for long doubles, but portable version
> works).
> 
> Tru64:
> cxx : OK (but can't test infinities/NaN's as they're not supported?
> 
> Suse Linux:
> gcc-3.3.3 : OK.

[pedro_at_localhost Projetos]$ g++ -v
Utilisation des specs internes.
Target: i386-redhat-linux
Configuré avec: ../configure --prefix=/usr --mandir=/usr/share/man
--infodir=/usr/share/info --enable-shared --enable-threads=posix
--enable-checking=release --with-system-zlib --enable-__cxa_atexit
--disable-libunwind-exceptions --enable-libgcj-multifile
--enable-languages=c,c++,objc,java,f95,ada --enable-java-awt=gtk
--with-java-home=/usr/lib/jvm/java-1.4.2-gcj-1.4.2.0/jre
--host=i386-redhat-linux
Modèle de thread: posix
version gcc 4.0.2 20051125 (Red Hat 4.0.2-8)

[pedro_at_localhost Projetos]$ g++ -Wall classify.cpp -o classify
[pedro_at_localhost Projetos]$ ./classify
Running 1 test case...
Platform has FP_NORMAL macro.
FP_ZERO: 2
FP_NORMAL: 4
FP_INFINITE: 1
FP_NAN: 0
FP_SUBNORMAL: 3
Testing type float
Testing type double
Testing type long double

*** No errors detected
[pedro_at_localhost Projetos]$ g++ -Wall -O classify.cpp -o classify
[pedro_at_localhost Projetos]$ ./classify
Running 1 test case...
Platform has FP_NORMAL macro.
FP_ZERO: 2
FP_NORMAL: 4
FP_INFINITE: 1
FP_NAN: 0
FP_SUBNORMAL: 3
Testing type float
Testing type double
Testing type long double

*** No errors detected
[pedro_at_localhost Projetos]$ g++ -Wall -O2 classify.cpp -o classify
[pedro_at_localhost Projetos]$ ./classify
Running 1 test case...
Platform has FP_NORMAL macro.
FP_ZERO: 2
FP_NORMAL: 4
FP_INFINITE: 1
FP_NAN: 0
FP_SUBNORMAL: 3
Testing type float
Testing type double
Testing type long double

*** No errors detected
[pedro_at_localhost Projetos]$ g++ -Wall -O3 classify.cpp -o classify
[pedro_at_localhost Projetos]$ ./classify
Running 1 test case...
Platform has FP_NORMAL macro.
FP_ZERO: 2
FP_NORMAL: 4
FP_INFINITE: 1
FP_NAN: 0
FP_SUBNORMAL: 3
Testing type float
Testing type double
Testing type long double

*** No errors detected
[pedro_at_localhost Projetos]$ man gcc
[pedro_at_localhost Projetos]$ g++ -Wall -O3 -ffast-math classify.cpp -o
classify
[pedro_at_localhost Projetos]$ ./classify
Running 1 test case...
Platform has FP_NORMAL macro.
FP_ZERO: 2
FP_NORMAL: 4
FP_INFINITE: 1
FP_NAN: 0
FP_SUBNORMAL: 3
Testing type float
Testing type double
Testing type long double

*** No errors detected

--
 Pedro Lamarão