Struct Fixed 

pub struct Fixed(/* private fields */);

16.16 fixed-point number (16 bits integer, 16 bits fractional)

Implementations

impl Fixed

pub const FRAC_BITS: u32 = 16u32

Number of fractional bits

pub const SCALE: i32 = 65_536i32

Fixed-point scale factor (2^16)

pub const ZERO: Fixed

Zero

pub const ONE: Fixed

One

pub const NEG_ONE: Fixed

Negative one

pub const HALF: Fixed

Half (0.5)

pub const PI: Fixed

Pi (3.141592…)

pub const TWO_PI: Fixed

Two pi

pub const fn from_raw(val: i32) -> Self

Create from raw i32 value (internal representation)

pub const fn raw(self) -> i32

Get raw i32 value

pub const fn from_int(val: i32) -> Self

Create from integer

pub const fn to_int(self) -> i32

Convert to integer (truncate fractional part)

pub const fn to_int_round(self) -> i32

Convert to integer (round to nearest)

pub fn from_f32(val: f32) -> Self

Create from f32 (for testing/initialization only, not for runtime)

pub fn to_f32(self) -> f32

Convert to f32 (for display/testing only)

pub const fn abs(self) -> Self

Absolute value

pub const fn floor(self) -> Self

Floor

pub const fn ceil(self) -> Self

Ceiling

pub const fn fract(self) -> Self

Fractional part (always positive)

pub fn mul_checked(self, rhs: Fixed) -> Result<Fixed>

Multiply with checked overflow

pub fn div_checked(self, rhs: Fixed) -> Result<Fixed>

Divide with checked division by zero

pub fn sqrt(self) -> Result<Fixed>

Square root using integer Newton-Raphson

pub fn sin_small(self) -> Fixed

Sine using Taylor series (for small angles) For larger angles, use range reduction first

pub fn cos_small(self) -> Fixed

Cosine using Taylor series

pub fn sin(self) -> Fixed

Sine with full range using range reduction

pub fn cos(self) -> Fixed

Cosine with full range

pub const fn min(self, other: Fixed) -> Fixed

Minimum of two values

pub const fn max(self, other: Fixed) -> Fixed

Maximum of two values

pub const fn clamp(self, min: Fixed, max: Fixed) -> Fixed

Clamp to range [min, max]

Trait Implementations

impl Add for Fixed

type Output = Fixed

The resulting type after applying the + operator.

fn add(self, rhs: Fixed) -> Fixed

Performs the + operation.

impl Clone for Fixed

fn clone(&self) -> Fixed

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Fixed

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Fixed

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for Fixed

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

Formats the value using the given formatter.

impl Div for Fixed

type Output = Fixed

The resulting type after applying the / operator.

fn div(self, rhs: Fixed) -> Fixed

Performs the / operation.

impl From<i32> for Fixed

fn from(val: i32) -> Self

Converts to this type from the input type.

impl From<u16> for Fixed

fn from(val: u16) -> Self

Converts to this type from the input type.

impl Mul for Fixed

type Output = Fixed

The resulting type after applying the * operator.

fn mul(self, rhs: Fixed) -> Fixed

Performs the * operation.

impl Neg for Fixed

type Output = Fixed

The resulting type after applying the - operator.

fn neg(self) -> Fixed

Performs the unary - operation.

impl Ord for Fixed

fn cmp(&self, other: &Fixed) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for Fixed

fn eq(&self, other: &Fixed) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for Fixed

fn partial_cmp(&self, other: &Fixed) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl Serialize for Fixed

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl Sub for Fixed

type Output = Fixed

The resulting type after applying the - operator.

fn sub(self, rhs: Fixed) -> Fixed

Performs the - operation.

impl Copy for Fixed

impl Eq for Fixed

impl StructuralPartialEq for Fixed