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Fibonacci sample

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Toby Jaffey 2025-12-07 01:00:52 +00:00
parent f235265e3f
commit 30cf60561f
2 changed files with 75 additions and 0 deletions
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apps/fib/fib.c Normal file
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#define USE_MAIN
#include "uvm32_target.h"
// print n terms of fibonacci series
void printFib(int n) {
int prev1 = 1;
int prev2 = 0;
for (int i = 1; i <= n; i++) {
if (i > 2) {
int curr = prev1 + prev2;
prev2 = prev1;
prev1 = curr;
printd(curr);
} else if (i == 1) {
printd(prev2);
} else if (i == 2) {
printd(prev1);
}
}
}
// print n terms of fibonacci series, recursively
void fib_recursive(int n, int prev1, int prev2) {
if (n < 3) {
return;
}
int curr = prev1 + prev2;
printd(curr);
return fib_recursive(n - 1, prev2, curr);
}
void printFibRec(int n) {
printd(0);
printd(1);
fib_recursive(n, 0, 1);
}
void main(void) {
int n = 40;
println("fib() loop");
printFib(n);
println("fib() recursive");
printFibRec(n);
}