clear?all;
get_architecture;

%%%%%%%%%%%%%?COMPILER?CONFIGURATION?%%%%%%%%%%%%%%%%
%?set?up?the?compiler?you?want?to?use.?Possible?choices?are
%???-?‘mex‘?（default?matlab?compiler）?this?is?the?easy?choice?if?your?matlab
%???????????is?correctly?configured.?Note?that?this?choice?might?not?compatible
%???????????with?the?option?‘use_multithread=true‘.?
%???-?‘icc‘?（intel?compiler）?usually?produces?the?fastest?code?but?the
%???????????compiler?is?not?free?and?not?installed?by?default.
%???-?‘gcc‘?（gnu?compiler）?good?choice?（for?Mac?use?gcc?>=?4.6?for
%???????????the?multi-threaded?version?otherwise?set?use_multithread=false）.
%???????????For?windows?you?need?to?have?cygwin?installed.
%???-?‘clang‘
%???-?‘open64‘?（amd?compiler）?optimized?for?opteron?cpus.
%???-?‘vs‘??（visual?studio?compiler）?for?windows?computers?（10.0?or?more?is?recommended）
%????????????for?some?unknown?reason?the?performance?obtained?with?vs?is?poor?compared?to?icc/gcc
compiler=‘gcc‘;

?%%%%%%%%%%%%?BLAS/LAPACK?CONFIGURATION?%%%%%%%%%%%%%%
%?set?up?the?blas/lapack?library?you?want?to?use.?Possible?choices?are
%???-?builtin:?blas/lapack?shipped?with?Matlab?
%???????????same?as?mex:?good?choice?if?matlab?is?correctly?configured.
%???-?mkl:?（intel?math?kernel?library）?usually?the?fastest?but?not?free.
%???-?acml:?（AMD?Core?math?library）?optimized?for?opteron?cpus
%???-?blas:?（netlib?version?of?blas/lapack）?free
%???-?atlas:?（atlas?version?of?blas/lapack）?free
%?==>?you?can?also?tweak?this?script?to?include?your?favorite?blas/lapack?library
blas=‘builtin‘;

%%%%%%%%%%%%?MULTITHREADING?CONFIGURATION?%%%%%%%%%%%%%%
%?set?true?if?you?want?to?use?multi-threaded?capabilities?of?the?toolbox.?You
%?need?an?appropriate?compiler?for?that?（intel?compiler?most?recent?gcc?or?visual?studio?pro）
use_multithread=true;?%?（might?not?compatible?with?compiler=mex）
%?if?the?compilation?fails?on?Mac?try?the?single-threaded?version.
%?to?run?the?toolbox?on?a?cluster?it?can?be?a?good?idea?to?deactivate?this

use_64bits_integers=true;
%?use?this?option?if?you?have?VERY?large?arrays/matrices?
%?this?option?allows?such?matrices?but?may?slightly?reduce?the?speed?of?the?computations.


use_mkl_threads=false;
%?use?this?option?is?you?use?the?mkl?library?and?intends?to?use?intensively?BLAS3/lapack?routines
%?（for?multiclass?logistic?regression?regularization?with?the?trace?norm?for?instance）
%?this?results?in?a?loss?of?performance?for?many?other?functions

%?if?you?use?the?options?‘mex‘?and?‘builtin‘?you?can?proceed?with?the?compilation?by
%?typing?‘compile‘?in?the?matlab?shell.?Otherwise?you?need?to?set?up?a?few?path?below.

path_matlab=‘‘;
%path_matlab=‘/softs/bin/‘;

%%%%%%%%%%%%?PATH?CONFIGURATION?%%%%%%%%%%%%%%%%%%%%
%?only?if?you?do?not?use?the?options?‘mex‘?and?‘builtin‘
%?set?up?the?path?to?the?compiler?libraries?that?you?intend?to?use?below
add_flag=‘‘;
if?strcmp（compiler‘gcc‘）?
????if?linux?||?mac
???????%?example?when?compiler=‘gcc‘?for?Linux/Mac:???（path?containing?the?files?l