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examples/fibonacci: stop before overflowing and use u64

pull/2592/head
ath3 2019-10-30 12:54:38 +01:00 committed by Alexander Medvednikov
parent ba6cc5df2a
commit 9abbfa7862
1 changed files with 9 additions and 3 deletions
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12
examples/fibonacci.v
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@ -14,10 +14,16 @@ fn main() {
// Parse first argument and cast it to int // Parse first argument and cast it to int
stop := os.args[1].int() stop := os.args[1].int()
// Can only calculate correctly until rank 92
if stop > 92 {
println('rank must be 92 or less')
return
}
// Three consecutive terms of the sequence // Three consecutive terms of the sequence
mut a := i64(0) mut a := u64(0)
mut b := i64(0) mut b := u64(0)
mut c := i64(1) mut c := u64(1)
for i := 0; i < stop; i++ { for i := 0; i < stop; i++ {
// Set a and b to the next term // Set a and b to the next term