[Scilab-Dev] unwrap(): improvements

[Samuel Gougeon]

Hello,

Seeing the SEP for an unwrap() function @
https://codereview.scilab.org/#/c/11053/
https://codereview.scilab.org/cat/11053%2C1%2CSEP/SEP_092_unwrap.odt%5E0

Please find in attachments some improved files:
unwrap.sci :
   - unwrap() plots a 1D + 2D examples instead of yielding an error
   - full vectorization of unwrap() : 2 nested for-end loops skipped :
     unwrapping a (1000x1000) matrix takes 0.162s instead of 7.36s (time/45)

%_unwrap.sci added : example for unwrap(), help file (and eventually a demo)
   => SCI\modules\elementary_functions\macros\

unwrap.xml :
   - initial 1D exampleimproved
   - 1D + 2D examples added
   - References to SIP unwrapl() and unwrapp() added

Best regards
Samuel Gougeon



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