Struct Mat3 

#[repr(C, align(16))]
pub struct Mat3 {
    pub col0: [f32; 4],
    pub col1: [f32; 4],
    pub col2: [f32; 4],
}

Column-major 3x3 matrix with const fn arithmetic.

Each column is [$scalar; 4] padded to 16 bytes for SIMD alignment. All methods are const fn for compile-time matrix derivation.

Fields

col0: [f32; 4]

Column 0, rows [0..2] with padding at index 3.

col1: [f32; 4]

Column 1, rows [0..2] with padding at index 3.

col2: [f32; 4]

Column 2, rows [0..2] with padding at index 3.

Implementations

impl Mat3

pub const fn mul(a: &Self, b: &Self) -> Self

Left-multiply a * b. const fn.

pub const fn invert(m: &Self) -> Self

Invert via Cramer’s rule. const fn. Returns a matrix with NaN or INFINITY entries if the determinant is zero or near-zero. All standard RGB primary matrices have non-zero determinants.

pub const fn from_rows(m: [[f32; 3]; 3]) -> Self

Construct from row-major [[$scalar; 3]; 3]. const fn.

pub const fn to_rows(self) -> [[f32; 3]; 3]

Convert to row-major [[$scalar; 3]; 3]. const fn.

pub const fn apply(&self, v: [f32; 3]) -> [f32; 3]

Apply to a [$scalar; 3]. const fn.

pub const fn luminance_weights(&self) -> [f32; 3]

Y row as luminance weights [w_r, w_g, w_b]. const fn.

Trait Implementations

impl Clone for Mat3

fn clone(&self) -> Mat3

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Mat3

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

Formats the value using the given formatter.

impl PartialEq for Mat3

fn eq(&self, other: &Mat3) -> 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 Copy for Mat3

impl StructuralPartialEq for Mat3