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

From: Jim Douglas (jim_at_[hidden])
Date: 2005-12-05 06:25:08

John Maddock wrote:
> Please build the test program with optimisations turned on: many 
> compilers make non-IEEE arithmetic assumptions once you tell them to 
> optimise the code.

Results for QNX 6.3.0 using the gcc 3.3.5 compiler and the Dinkum 
libraries. Optimisation does not affect the results.

Running 1 test case...
Platform has isnan macro.
Platform has fpclassify macro.
Platform has FP_NORMAL macro.
FP_ZERO: 0
FP_NORMAL: -1
FP_INFINITE: 1
FP_NAN: 2
FP_SUBNORMAL: -2
Testing type float
classify.cc(130): error in "test_main_caller( argc, argv )": check 
(::pending::fpclassify)(t) == (int)(-2) failed [-1 != -2]
classify.cc(131): error in "test_main_caller( argc, argv )": check 
(::pending::fpclassify)(-t) == (int)(-2) failed [-1 != -2]
Testing type double
classify.cc(130): error in "test_main_caller( argc, argv )": check 
(::pending::fpclassify)(t) == (int)(-2) failed [-1 != -2]
classify.cc(131): error in "test_main_caller( argc, argv )": check 
(::pending::fpclassify)(-t) == (int)(-2) failed [-1 != -2]
Testing type long double
classify.cc(130): error in "test_main_caller( argc, argv )": check 
(::pending::fpclassify)(t) == (int)(-2) failed [-1 != -2]
classify.cc(131): error in "test_main_caller( argc, argv )": check 
(::pending::fpclassify)(-t) == (int)(-2) failed [-1 != -2]

*** 6 failures detected in test suite "Test Program"

Regards
Jim Douglas