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September 2017 Update

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Ingy döt Net 2017-09-23 10:01:46 +02:00
parent bba7bfd280
commit ba8067c3b7
14570 changed files with 153136 additions and 63871 deletions
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18
Task/Parsing-RPN-calculator-algorithm/Zkl/parsing-rpn-calculator-algorithm-1.zkl Normal file
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var ops=D("^",True, "*",'*, "/",'/, "+",'+, "-",'-);
fcn parseRPN(e){
println("\npostfix: ", e);
stack:=L();
foreach tok in (e.split()){
op:=ops.find(tok);
if(op){
y := stack.pop(); x := stack.pop();
if(True==op) x=x.pow(y);
else x=op(x,y);
stack.append(x);
}
else stack.append(tok.toFloat());
println(tok," --> ",stack);
}
println("result: ", stack[0])
}

2
Task/Parsing-RPN-calculator-algorithm/Zkl/parsing-rpn-calculator-algorithm-2.zkl Normal file
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tests:=T("3 4 2 * 1 5 - 2 3 ^ ^ / +");
foreach t in (tests) { parseRPN(t) }