[SciPy-User] understanding machine precision

[Éric Depagne]

hi all.

I do not know if I'm using ATLAS, but I get the following:
python try_deterministic.py                                                                   
                                                                                                                
lstsq                                                                                                           
0.0                                                                                                             
0.0                                                                                                             
0.0                                                                                                             
0.0                                                                                                             
0.0                                                                                                             
                                                                                                                
pinv                                                                                                            
0.0                                                                                                             
0.0                                                                                                             
0.0                                                                                                             
0.0                                                                                                             
0.0                                                                                                             
                                                                                                                
pinv2                                                                                                           
0.0                                                                                                             
0.0                                                                                                             
0.0                                                                                                             
0.0                                                                                                             
0.0                 

And some config:
In [3]: show_config()
blas_info:
    libraries = ['blas']
    library_dirs = ['/usr/lib64']
    language = f77

lapack_info:
    libraries = ['lapack']
    library_dirs = ['/usr/lib64']
    language = f77

atlas_threads_info:
  NOT AVAILABLE

blas_opt_info:
    libraries = ['blas']
    library_dirs = ['/usr/lib64']
    language = f77
    define_macros = [('NO_ATLAS_INFO', 1)]

atlas_blas_threads_info:
  NOT AVAILABLE

lapack_opt_info:
    libraries = ['lapack', 'blas']
    library_dirs = ['/usr/lib64']
    language = f77
    define_macros = [('NO_ATLAS_INFO', 1)]

atlas_info:
  NOT AVAILABLE

lapack_mkl_info:
  NOT AVAILABLE

blas_mkl_info:
  NOT AVAILABLE

atlas_blas_info:
  NOT AVAILABLE

mkl_info:
  NOT AVAILABLE

-- 
Un clavier azerty en vaut deux
----------------------------------------------------------
Éric Depagne                            eric at depagne.org