!if $wims_read_parm!=slib_header
  !goto proc
!endif

slib_parms=1\
 ,[data] or [data],[weight]
slib_author=Adeline, Grelot; Bernadette, PERRIN-RIOU

slib_example=[2,-7,6]\
[2,1;-7,6;1,1]\
[2,-7,1],[1,6,1]\
[2,-7,1;1,6,1]
slib_require=pari
!exit

:proc
!if [ isin $wims_read_parm or ; isin $wims_read_parm
  !readproc slib/stat/dataproc $wims_read_parm
!else
  slib_data=$wims_read_parm
  slib_weight=$empty
  slib_cnt=!itemcnt $slib_data
!endif
!if $slib_cnt =0
  slib_out=0
!else
  !if $slib_weight=$empty
    slib_out=!sum x for x in $slib_data
  !else
    slib_out=!exec pari print(Mat([$slib_data])*Mat([$slib_weight])~);
  !endif
!endif
slib_out=!trim $slib_out
