#[repr(transparent)]pub struct DMat2(_);
Expand description
A 2x2 column major matrix.
Implementations
sourceimpl DMat2
impl DMat2
sourcepub const IDENTITY: DMat2 = Self(InnerF64::IDENTITY)
pub const IDENTITY: DMat2 = Self(InnerF64::IDENTITY)
A 2x2 identity matrix, where all diagonal elements are 1
, and all off-diagonal elements are 0
.
sourcepub const fn zero() -> DMat2
👎 Deprecated: use Mat2::ZERO instead
pub const fn zero() -> DMat2
use Mat2::ZERO instead
Creates a 2x2 matrix with all elements set to 0.0
.
sourcepub const fn identity() -> DMat2
👎 Deprecated: use Mat2::IDENTITY instead
pub const fn identity() -> DMat2
use Mat2::IDENTITY instead
Creates a 2x2 identity matrix.
sourcepub fn from_cols(x_axis: DVec2, y_axis: DVec2) -> DMat2
pub fn from_cols(x_axis: DVec2, y_axis: DVec2) -> DMat2
Creates a 2x2 matrix from two column vectors.
sourcepub fn from_cols_array(m: &[f64; 4]) -> DMat2
pub fn from_cols_array(m: &[f64; 4]) -> DMat2
Creates a 2x2 matrix from a [S; 4]
array stored in column major order.
If your data is stored in row major you will need to transpose
the returned
matrix.
sourcepub fn to_cols_array(&self) -> [f64; 4]
pub fn to_cols_array(&self) -> [f64; 4]
Creates a [S; 4]
array storing data in column major order.
If you require data in row major order transpose
the matrix first.
sourcepub fn from_cols_array_2d(m: &[[f64; 2]; 2]) -> DMat2
pub fn from_cols_array_2d(m: &[[f64; 2]; 2]) -> DMat2
Creates a 2x2 matrix from a [[S; 2]; 2]
2D array stored in column major order.
If your data is in row major order you will need to transpose
the returned
matrix.
sourcepub fn to_cols_array_2d(&self) -> [[f64; 2]; 2]
pub fn to_cols_array_2d(&self) -> [[f64; 2]; 2]
Creates a [[S; 2]; 2]
2D array storing data in column major order.
If you require data in row major order transpose
the matrix first.
sourcepub fn from_diagonal(diagonal: DVec2) -> DMat2
pub fn from_diagonal(diagonal: DVec2) -> DMat2
Creates a 2x2 matrix with its diagonal set to diagonal
and all other entries set to 0.
sourcepub fn from_scale_angle(scale: DVec2, angle: f64) -> DMat2
pub fn from_scale_angle(scale: DVec2, angle: f64) -> DMat2
Creates a 2x2 matrix containing the combining non-uniform scale
and rotation of
angle
(in radians).
sourcepub fn from_angle(angle: f64) -> DMat2
pub fn from_angle(angle: f64) -> DMat2
Creates a 2x2 matrix containing a rotation of angle
(in radians).
pub fn from_scale(scale: DVec2) -> DMat2
Use from_diagonal() instead
sourcepub fn is_finite(&self) -> bool
pub fn is_finite(&self) -> bool
Returns true
if, and only if, all elements are finite.
If any element is either NaN
, positive or negative infinity, this will return false
.
sourcepub fn determinant(&self) -> f64
pub fn determinant(&self) -> f64
Returns the determinant of self
.
sourcepub fn inverse(&self) -> DMat2
pub fn inverse(&self) -> DMat2
Returns the inverse of self
.
If the matrix is not invertible the returned matrix will be invalid.
sourcepub fn mul_scalar(&self, other: f64) -> DMat2
pub fn mul_scalar(&self, other: f64) -> DMat2
Multiplies a 2x2 matrix by a scalar.
sourcepub fn abs_diff_eq(&self, other: &DMat2, max_abs_diff: f64) -> bool
pub fn abs_diff_eq(&self, other: &DMat2, max_abs_diff: f64) -> bool
Returns true if the absolute difference of all elements between self
and other
is less than or equal to max_abs_diff
.
This can be used to compare if two matrices contain similar elements. It works best
when comparing with a known value. The max_abs_diff
that should be used used
depends on the values being compared against.
For more see comparing floating point numbers.
pub fn as_f32(&self) -> Mat2
Trait Implementations
sourceimpl PartialOrd<DMat2> for DMat2
impl PartialOrd<DMat2> for DMat2
sourcefn partial_cmp(&self, other: &DMat2) -> Option<Ordering>
fn partial_cmp(&self, other: &DMat2) -> Option<Ordering>
This method returns an ordering between self
and other
values if one exists. Read more
1.0.0 · sourcefn lt(&self, other: &Rhs) -> bool
fn lt(&self, other: &Rhs) -> bool
This method tests less than (for self
and other
) and is used by the <
operator. Read more
1.0.0 · sourcefn le(&self, other: &Rhs) -> bool
fn le(&self, other: &Rhs) -> bool
This method tests less than or equal to (for self
and other
) and is used by the <=
operator. Read more
impl Copy for DMat2
Auto Trait Implementations
impl RefUnwindSafe for DMat2
impl Send for DMat2
impl Sync for DMat2
impl Unpin for DMat2
impl UnwindSafe for DMat2
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more