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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
199093 changed files with 3378972 additions and 0 deletions
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15
Task/Negative-base-numbers/Zkl/negative-base-numbers-1.zkl Normal file
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fcn toNBase(n,radix){
var [const] cs=[0..9].chain(["a".."z"]).pump(String); //"0123456789abcd..z"
_assert_(-37 < radix < -1,"invalid radix");
digits:=List();
while(n){ reg r;
n,r=n.divr(radix); // C compiler semantics
if(r<0){ n+=1; r-=radix; }
digits.append(r);
}
digits.reverse().pump(String,cs.get);
}
fcn toInt(str,radix){ // the toInt(radix) method radix is 2..36
str.reduce('wrap(s,d,rdx){ s*radix + d.toInt(rdx); },0,radix.abs());
}

6
Task/Negative-base-numbers/Zkl/negative-base-numbers-2.zkl Normal file
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ns:=T( T(10,-2), T(146,-3), T(15,-10), T(107,-16), T(41371458,-36), T(44661,-36) );
results:=ns.pump(List,Void.Xplode,toNBase);
foreach nb,r in (ns.zip(results)){
_,b:=nb;
println("%10d.base(%3d) = \"%s\" --> %d".fmt(nb.xplode(),r,toInt(r,b)));
}