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function [stk,txt,top]=%i2sci()
//
//!
// Copyright INRIA
txt=[]
rhs=abs(evstr(op(3)))-2
sto=stk(top);top=top-1
sfrom=stk(top);top=top-1
top=top-rhs+1
s2=stk(top)
if rhs==1 then
if s2(5)=='10'&sto(5)=='?' then // a.x=b with a undefined
txt=sto(1)+' = struct()';sto(5)='16';
end
if type(s2(1))==1 then // recursive insertion
[stk,t1,top]=%i2sci_rec()
txt=[txt;t1];
elseif sto(5)=='10'|sfrom(5)=='10' then //insertion of strings
txt=[txt;sto(1)+' = mtlb_is'+rhsargs([sto(1),sfrom(1),s2(1)])]
stk=list(op(2),'-1','?','?',sto(5))
else
if s2(5)=='10' then //x('i')=y
txt=[txt;sto(1)+'('+s2(1)+') = '+sfrom(1)]
stk=list(op(2),'-1','?','1','?')
elseif s2(1)<>':' then // x(i)=y
if sto(3)=='0'|sto(4)=='0' then // insertion in an empty matrix
txt=[txt;sto(1)+'(1,'+s2(1)+') = '+sfrom(1)+';']
stk=list(op(2),'-1','?','?',sto(5))
else
if (sto(3)=='1'&sto(4)=='1') then //insertion in a scalar
[stk,t1,top]=%i2sci_s();txt=[txt;t1];
elseif (sto(3)=='1'&sto(4)<>'1') then //insertion in a row vector
[stk,t1,top]=%i2sci_r();txt=[txt;t1];
elseif (sto(3)<>'1'&sto(4)=='1') //insertion in a column vector
[stk,t1,top]=%i2sci_c();txt=[txt;t1];
else // insertion in a general matrix or unknown sizes
[stk,t1,top]=%i2sci_g();txt=[txt;t1];
end
end
else // x(:)=y
if sto(3)=='0'|sto(4)=='0' then
if sfrom(4)=='1' then
txt=[txt;sto(1)+' = '+sfrom(1)+';']
elseif isname(sfrom(1)) then
txt=[txt;sto(1)+' = '+sfrom(1)+'(:);']
else
txt=[txt;sto(1)+' = '+sfrom(1)+';'+sto(1)+' = '+sto(1)+'(:);']
end
else
txt=[txt;sto(1)+'(:) = '+sfrom(1)+';']
end
stk=list(op(2),'-1','?','1',sto(5))
end
end
else // x(i,j)=y
s1=stk(top+1)
if sto(5)=='10'|sfrom(5)=='10' then //insertion of strings
txt=[txt;sto(1)+' = mtlb_is'+rhsargs([sto(1),sfrom(1),s2(1),s1(1)])]
stk=list(op(2),'-1','?','?',sto(5))
elseif s2(5)=='10'|s1(5)=='10' then
txt=[txt;sto(1)+'('+s2(1)+')('+s1(1)+') = '+sfrom(1)+';']
stk=list(op(2),'-1','?','?',sto(5))
else
txt=[txt;sto(1)+rhsargs([s2(1),s1(1)])+' = '+sfrom(1)+';']
stk=list(op(2),'-1','?','?',sto(5))
end
end
function [stk,txt,top]=%i2sci_rec()
n=s2(1)(1)
m=s2(1)(2)
ex=sto(1)
if m>1 then n=n-1,end
for k=1:n
ik=s2(k+1)
ex=ex+'('+ik(1)+')'
end
if m>1 then
args=[]
for k=1:m,args=[args s2(n+1+k)(1)],end
ex=ex+'('+makeargs(args)+')'
end
txt=ex+'='+sfrom(1)
stk=list(' ','-1','?','1','?')
function [stk,txt,top]=%i2sci_rec2(s2,flag)
n=s2(1)(1)
m=s2(1)(2)
[lhs,rhs]=argn()
if rhs==1 then txt=sto(1),stk=list();else ,end
if m>1 then n=n-1,end
for k=1:n
ik=s2(k+1)
if type(ik(1))==1 then
[stk,txt,top]=%i2sci_rec(ik,0)
else
txt=txt+'('+ik(1)+')'
end
end
if m>1 then
args=[]
for k=1:m,args=[args s2(n+1+k)(1)],end
txt=txt+'('+makeargs(args)+')'
end
if rhs==1 then
txt=txt+'='+sfrom(1)
stk=list(' ','-1','?','1','?')
end
function [stk,txt,top]=%i2sci_s()
// x(i)=y with x a scalar
if sfrom(3)=='1'&sfrom(4)=='1' then
txt=sto(1)+'(1,'+s2(1)+') = '+sfrom(1)
elseif sfrom(3)=='1' then
txt=sto(1)+'(1,'+s2(1)+') = '+sfrom(1)
elseif sfrom(3)<>'?'& sfrom(4)<>'?' then
txt=sto(1)+'(1,'+s2(1)+') = matrix('+sfrom(1)+',1,-1)'
else
if ~isname(sfrom(1)) then
w=gettempvar()
txt=w+' = '+sfrom(1)
sfrom(1)=w
end
txt=[txt;sto(1)+'(1,'+s2(1)+') = matrix('+sfrom(1)+',1,-1)']
end
stk=list(op(2),'-1','1','?',sto(5))
function [stk,txt,top]=%i2sci_r()
// x(i)=y with x a row
if sfrom(3)=='1'&sfrom(4)=='1' then //insert a scalar
txt=sto(1)+'('+s2(1)+') = '+sfrom(1)
elseif sfrom(3)=='1' then //insert a row vector
txt=sto(1)+'('+s2(1)+') = '+sfrom(1)
elseif sfrom(3)<>'?'& sfrom(4)<>'?' then //insert a matrix with known sizes
txt=sto(1)+'('+s2(1)+') = matrix('+sfrom(1)+',1,-1)'
else
if ~isname(sfrom(1)) then
w=gettempvar()
txt=w+' = '+sfrom(1)
sfrom(1)=w
end
sfrom(1)=sfrom(1)+'(:).''',
txt=[txt;sto(1)+'(1,'+s2(1)+') = '+sfrom(1)+';']
end
stk=list(op(2),'-1','1','?',sto(5))
function [stk,txt,top]=%i2sci_c()
// x(i)=y with x a column vector
if sfrom(3)=='1'&sfrom(4)=='1' then //insert a scalar
txt=sto(1)+'('+s2(1)+') = '+sfrom(1)
elseif sfrom(4)=='1' then //insert a column vector
txt=sto(1)+'('+s2(1)+') = '+sfrom(1)
elseif sfrom(3)<>'?'& sfrom(4)<>'?' then //insert a matrix with known sizes
sz=mulf(sfrom(3),sfrom(4))
txt=sto(1)+'('+s2(1)+') = matrix('+sfrom(1)+',-1,1)'
else
if ~isname(sfrom(1)) then
w=gettempvar()
txt=w+' = '+sfrom(1)
sfrom(1)=w
end
sfrom(1)=sfrom(1)+'(:)',
txt=[txt;sto(1)+'('+s2(1)+',1) = '+sfrom(1)+';']
end
stk=list(op(2),'-1','?','1',sto(5))
function [stk,txt,top]=%i2sci_g()
// x(i)=y with x a matrix
e=sto(1)+' = mtlb_i('+sto(1)+','+s2(1)+','+sfrom(1)+')'
e1=sto(1)+'('+s2(1)+') = '+sfrom(1)
set_infos([
e+' may be replaced by '+e1
' if '+sto(1)+' is not a vector'
' or if '+sto(1)+' and '+sfrom(1)+' are both row or column vectors'],1)
txt=[txt; e]
stk=list(op(2),'-1','?','?',sto(5))
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