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#!/usr/bin/env ktap
function failed() {
printf("failed\n");
exit(-1);
}
#---------------fibonacci----------------
#regular recursive fibonacci
function fib(n) {
if (n < 2) {
return n
}
return fib(n-1) + fib(n-2)
}
if (fib(20) != 6765) {
failed()
}
#tail recursive fibonacci
function fib(n) {
f = function (iter, res, next) {
if (iter == 0) {
return res;
}
return f(iter-1, next, res+next)
}
return f(n, 0, 1)
}
if (fib(20) != 6765) {
failed()
}
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