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bench: Update fannkuchredux for style

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This commit is contained in:
Brian Anderson 2012-01-14 19:53:26 -08:00
parent 9c21673e3f
commit 93dcb9fb6b
1 changed files with 11 additions and 5 deletions
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16
src/test/bench/shootout-fannkuchredux.rs
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@ -5,10 +5,9 @@
fn fannkuch(n: int) -> int {
fn perm1init(i: uint) -> int { ret i as int; }
let perm1init_ = perm1init; // Rustboot workaround
let perm = vec::init_elt_mut(0, n as uint);
let perm1 = vec::init_fn_mut(perm1init_, n as uint);
let perm1 = vec::init_fn_mut(perm1init, n as uint);
let count = vec::init_elt_mut(0, n as uint);
let f = 0;
let i = 0;
@ -43,7 +42,10 @@ fn fannkuch(n: int) -> int {
let go = true;
while go {
if r == n { log(debug, checksum); ret flips; }
if r == n {
std::io::println(#fmt("%d", checksum));
ret flips;
}
let p0 = perm1[0];
i = 0;
while i < r { let j = i + 1; perm1[i] = perm1[j]; i = j; }
@ -57,6 +59,10 @@ fn fannkuch(n: int) -> int {
}
fn main(args: [str]) {
let n = 7;
#debug("Pfannkuchen(%d) = %d", n, fannkuch(n));
let n = if vec::len(args) == 2u {
int::from_str(args[1])
} else {
10
};
std::io::println(#fmt("Pfannkuchen(%d) = %d", n, fannkuch(n)));
}