Struct NextPowerOfTwo

pub struct NextPowerOfTwo;

Returns the smallest power of two greater than or equal to argument arg. Behaves like the rustc method in debug mode for all inputs of type u32.

Behavior

BEFORE: _ arg
AFTER:  _ u32::next_power_of_two(arg)

Pre-conditions

• arg is a valid u32
• arg is smaller than or equal to 2^31

Post-conditions

• the output is the smallest power of two greater than or equal to arg

Implementations

impl NextPowerOfTwo

pub const INPUT_TOO_LARGE_ERROR_ID: i128 = 130i128

Trait Implementations

impl BasicSnippet for NextPowerOfTwo

fn inputs(&self) -> Vec<(DataType, String)>

fn outputs(&self) -> Vec<(DataType, String)>

fn entrypoint(&self) -> String

fn code(&self, _: &mut Library) -> Vec<LabelledInstruction>

fn sign_offs(&self) -> HashMap<Reviewer, SignOffFingerprint>

Contains an entry for every sign off.

fn annotated_code(&self, library: &mut Library) -> Vec<LabelledInstruction>

fn link_for_isolated_run(&self) -> Vec<LabelledInstruction>

fn init_stack_for_isolated_run(&self) -> Vec<BFieldElement>

Initial stack on program start, when the snippet runs in isolation.

fn stack_diff(&self) -> isize

impl Clone for NextPowerOfTwo

fn clone(&self) -> NextPowerOfTwo

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for NextPowerOfTwo

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Copy for NextPowerOfTwo