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function [tree]=sci_grid(tree)
// Copyright INRIA
// M2SCI function
// Conversion function for Matlab grid()
// Input: tree = Matlab funcall tree
// Ouput: tree = Scilab equivalent for tree
// Emulation function: mtlb_grid()
// V.C.
// [1 1]
on=Operation("rc",list(Cste(1),Cste(1)),list())
// [-1 -1]
off=Operation("rc",list(Cste(-1),Cste(-1)),list())
if rhs==0 then // grid toggle
tree.name="mtlb_grid";
elseif rhs==1 then
ax=Funcall("gca",1,list(),list())
opt=tree.rhs(1)
if typeof(opt)=="cste" then
if opt.value=="on" then
tree.name="set";
tree.rhs=Rhs(ax,"grid",on);
elseif opt.value=="off" then
tree.name="set";
tree.rhs=Rhs(ax,"grid",off);
else
set_infos("No minor grid in Scilab",2);
tree.name="mtlb_grid";
end
else
tree.name="mtlb_grid";
end
else
ax=tree.rhs(1)
opt=tree.rhs(2)
if typeof(opt)=="cste" then
if opt.value=="on" then
insert(Equal(list(Operation("ins",list(ax,Cste("grid")),list())),on))
tree=list()
elseif opt.value=="off" then
insert(Equal(list(Operation("ins",list(ax,Cste("grid")),list())),off))
tree=list()
else
set_infos("No minor grid in Scilab",2);
tree.name="mtlb_grid";
end
else
tree.name="mtlb_grid";
end
end
endfunction
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