Struct heron::rapier_plugin::rapier::na::linalg::givens::GivensRotation [−][src]
A Givens rotation.
Implementations
impl<N> GivensRotation<N> where
N: ComplexField,
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N: ComplexField,
pub fn identity() -> GivensRotation<N>
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The Givents rotation that does nothing.
pub fn new_unchecked(
c: <N as ComplexField>::RealField,
s: N
) -> GivensRotation<N>
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c: <N as ComplexField>::RealField,
s: N
) -> GivensRotation<N>
Initializes a Givens rotation from its components.
The components are copies as-is. It is not checked whether they describe an actually valid Givens rotation.
pub fn new(c: N, s: N) -> (GivensRotation<N>, N)
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Initializes a Givens rotation from its non-normalized cosine an sine components.
pub fn try_new(
c: N,
s: N,
eps: <N as ComplexField>::RealField
) -> Option<(GivensRotation<N>, N)>
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c: N,
s: N,
eps: <N as ComplexField>::RealField
) -> Option<(GivensRotation<N>, N)>
Initializes a Givens rotation form its non-normalized cosine an sine components.
pub fn cancel_y<S>(v: &Matrix<N, U2, U1, S>) -> Option<(GivensRotation<N>, N)> where
S: Storage<N, U2, U1>,
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S: Storage<N, U2, U1>,
Computes the rotation R
required such that the y
component of R * v
is zero.
Returns None
if no rotation is needed (i.e. if v.y == 0
). Otherwise, this returns the norm
of v
and the rotation r
such that R * v = [ |v|, 0.0 ]^t
where |v|
is the norm of v
.
pub fn cancel_x<S>(v: &Matrix<N, U2, U1, S>) -> Option<(GivensRotation<N>, N)> where
S: Storage<N, U2, U1>,
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S: Storage<N, U2, U1>,
Computes the rotation R
required such that the x
component of R * v
is zero.
Returns None
if no rotation is needed (i.e. if v.x == 0
). Otherwise, this returns the norm
of v
and the rotation r
such that R * v = [ 0.0, |v| ]^t
where |v|
is the norm of v
.
pub fn c(&self) -> <N as ComplexField>::RealField
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The cos part of this roration.
pub fn s(&self) -> N
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The sin part of this roration.
pub fn inverse(&self) -> GivensRotation<N>
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The inverse of this givens rotation.
pub fn rotate<R2, C2, S2>(&self, rhs: &mut Matrix<N, R2, C2, S2>) where
R2: Dim,
C2: Dim,
S2: StorageMut<N, R2, C2>,
ShapeConstraint: DimEq<R2, U2>,
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R2: Dim,
C2: Dim,
S2: StorageMut<N, R2, C2>,
ShapeConstraint: DimEq<R2, U2>,
Performs the multiplication rhs = self * rhs
in-place.
pub fn rotate_rows<R2, C2, S2>(&self, lhs: &mut Matrix<N, R2, C2, S2>) where
R2: Dim,
C2: Dim,
S2: StorageMut<N, R2, C2>,
ShapeConstraint: DimEq<C2, U2>,
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R2: Dim,
C2: Dim,
S2: StorageMut<N, R2, C2>,
ShapeConstraint: DimEq<C2, U2>,
Performs the multiplication lhs = lhs * self
in-place.
Trait Implementations
impl<N> Clone for GivensRotation<N> where
N: Clone + ComplexField,
<N as ComplexField>::RealField: Clone,
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N: Clone + ComplexField,
<N as ComplexField>::RealField: Clone,
pub fn clone(&self) -> GivensRotation<N>
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pub fn clone_from(&mut self, source: &Self)
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impl<N> Copy for GivensRotation<N> where
N: Copy + ComplexField,
<N as ComplexField>::RealField: Copy,
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N: Copy + ComplexField,
<N as ComplexField>::RealField: Copy,
impl<N> Debug for GivensRotation<N> where
N: Debug + ComplexField,
<N as ComplexField>::RealField: Debug,
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N: Debug + ComplexField,
<N as ComplexField>::RealField: Debug,
Auto Trait Implementations
impl<N> RefUnwindSafe for GivensRotation<N> where
N: RefUnwindSafe,
<N as ComplexField>::RealField: RefUnwindSafe,
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N: RefUnwindSafe,
<N as ComplexField>::RealField: RefUnwindSafe,
impl<N> Send for GivensRotation<N>
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impl<N> Sync for GivensRotation<N>
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impl<N> Unpin for GivensRotation<N> where
N: Unpin,
<N as ComplexField>::RealField: Unpin,
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N: Unpin,
<N as ComplexField>::RealField: Unpin,
impl<N> UnwindSafe for GivensRotation<N> where
N: UnwindSafe,
<N as ComplexField>::RealField: UnwindSafe,
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N: UnwindSafe,
<N as ComplexField>::RealField: UnwindSafe,
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Any for T where
T: Any,
T: Any,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> CloneAny for T where
T: Clone + Any,
T: Clone + Any,
impl<T> Component for T where
T: 'static + Send + Sync,
T: 'static + Send + Sync,
impl<T> Downcast for T where
T: Any,
T: Any,
pub fn into_any(self: Box<T, Global>) -> Box<dyn Any + 'static, Global>
pub fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>
pub fn as_any(&self) -> &(dyn Any + 'static)
pub fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
impl<T> DowncastSync for T where
T: Send + Sync + Any,
T: Send + Sync + Any,
impl<T> From<T> for T
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impl<T> Instrument for T
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pub fn instrument(self, span: Span) -> Instrumented<Self>
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pub fn in_current_span(self) -> Instrumented<Self>
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> Pointable for T
pub const ALIGN: usize
type Init = T
The type for initializers.
pub unsafe fn init(init: <T as Pointable>::Init) -> usize
pub unsafe fn deref<'a>(ptr: usize) -> &'a T
pub unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T
pub unsafe fn drop(ptr: usize)
impl<T> Resource for T where
T: 'static + Send + Sync,
T: 'static + Send + Sync,
impl<T> Same<T> for T
type Output = T
Should always be Self
impl<T> Slottable for T where
T: Copy,
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T: Copy,
impl<SS, SP> SupersetOf<SS> for SP where
SS: SubsetOf<SP>,
SS: SubsetOf<SP>,
pub fn to_subset(&self) -> Option<SS>
pub fn is_in_subset(&self) -> bool
pub fn to_subset_unchecked(&self) -> SS
pub fn from_subset(element: &SS) -> SP
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> TypeData for T where
T: 'static + Send + Sync + Clone,
T: 'static + Send + Sync + Clone,
pub fn clone_type_data(&self) -> Box<dyn TypeData + 'static, Global>
impl<V, T> VZip<V> for T where
V: MultiLane<T>,
V: MultiLane<T>,