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Change zero_or_uninitialized_generic to unimplemented_or_uninitialized_generic, and use it instead of manually dispatching on feature=no_unsound_assume_init in functions without N: Zero.

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This commit is contained in:
Avi Weinstock 2020-11-27 15:58:48 -05:00 committed by Crozet Sébastien
parent 36a3ac814f
commit cd12422d6f
16 changed files with 62 additions and 130 deletions
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10
src/base/blas.rs
View File

@ -1328,10 +1328,7 @@ where
ShapeConstraint: DimEq<D1, D1> + DimEq<D1, R3> + DimEq<C3, D4>, ShapeConstraint: DimEq<D1, D1> + DimEq<D1, R3> + DimEq<C3, D4>,
DefaultAllocator: Allocator<N, D1>, DefaultAllocator: Allocator<N, D1>,
{ {
#[cfg(feature="no_unsound_assume_init")] let mut work = unsafe { crate::unimplemented_or_uninitialized_generic!(self.data.shape().0, U1) };
let mut work = Vector::zeros_generic(self.data.shape().0, U1);
#[cfg(not(feature="no_unsound_assume_init"))]
let mut work = unsafe { Vector::new_uninitialized_generic(self.data.shape().0, U1).assume_init() };
self.quadform_tr_with_workspace(&mut work, alpha, lhs, mid, beta) self.quadform_tr_with_workspace(&mut work, alpha, lhs, mid, beta)
} }
@ -1424,10 +1421,7 @@ where
ShapeConstraint: DimEq<D2, R3> + DimEq<D1, C3> + AreMultipliable<C3, R3, D2, U1>, ShapeConstraint: DimEq<D2, R3> + DimEq<D1, C3> + AreMultipliable<C3, R3, D2, U1>,
DefaultAllocator: Allocator<N, D2>, DefaultAllocator: Allocator<N, D2>,
{ {
#[cfg(feature="no_unsound_assume_init")] let mut work = unsafe { crate::unimplemented_or_uninitialized_generic!(mid.data.shape().0, U1) };
let mut work = Vector::zeros_generic(mid.data.shape().0, U1);
#[cfg(not(feature="no_unsound_assume_init"))]
let mut work = unsafe { Vector::new_uninitialized_generic(mid.data.shape().0, U1).assume_init() };
self.quadform_with_workspace(&mut work, alpha, mid, rhs, beta) self.quadform_with_workspace(&mut work, alpha, mid, rhs, beta)
} }
} }

25
src/base/construction.rs
View File

@ -26,12 +26,19 @@ use crate::base::dimension::{Dim, DimName, Dynamic, U1, U2, U3, U4, U5, U6};
use crate::base::storage::Storage; use crate::base::storage::Storage;
use crate::base::{DefaultAllocator, Matrix, MatrixMN, MatrixN, Scalar, Unit, Vector, VectorN}; use crate::base::{DefaultAllocator, Matrix, MatrixMN, MatrixN, Scalar, Unit, Vector, VectorN};
/// When "no_unsound_assume_init" is enabled, expands to `zeros_generic()` instead of `new_uninitialized_generic().assume_init()`. /// When "no_unsound_assume_init" is enabled, expands to `unimplemented!()` instead of `new_uninitialized_generic().assume_init()`.
/// Intended for use in contexts where the `Scalar` type implements `num_traits::Zero`, to check whether uninitialized memory is actually performance-critical. /// Intended as a placeholder, each callsite should be refactored to use uninitialized memory soundly
#[macro_export] #[macro_export]
macro_rules! zero_or_uninitialized_generic { macro_rules! unimplemented_or_uninitialized_generic {
($nrows:expr, $ncols:expr) => {{ ($nrows:expr, $ncols:expr) => {{
#[cfg(feature="no_unsound_assume_init")] { crate::base::Matrix::zeros_generic($nrows, $ncols) } #[cfg(feature="no_unsound_assume_init")] {
// Some of the call sites need the number of rows and columns from this to infer a type, so
// uninitialized memory is used to infer the type, as `N: Zero` isn't available at all callsites.
// This may technically still be UB even though the assume_init is dead code, but all callsites should be fixed before #556 is closed.
let typeinference_helper = crate::base::Matrix::new_uninitialized_generic($nrows, $ncols);
unimplemented!();
typeinference_helper.assume_init()
}
#[cfg(not(feature="no_unsound_assume_init"))] { crate::base::Matrix::new_uninitialized_generic($nrows, $ncols).assume_init() } #[cfg(not(feature="no_unsound_assume_init"))] { crate::base::Matrix::new_uninitialized_generic($nrows, $ncols).assume_init() }
}} }}
} }
@ -99,10 +106,7 @@ where
"Matrix init. error: the slice did not contain the right number of elements." "Matrix init. error: the slice did not contain the right number of elements."
); );
#[cfg(feature="no_unsound_assume_init")] let mut res = unsafe { crate::unimplemented_or_uninitialized_generic!(nrows, ncols) };
let mut res: Self = unimplemented!();
#[cfg(not(feature="no_unsound_assume_init"))]
let mut res = unsafe { Self::new_uninitialized_generic(nrows, ncols).assume_init() };
let mut iter = slice.iter(); let mut iter = slice.iter();
for i in 0..nrows.value() { for i in 0..nrows.value() {
@ -128,10 +132,7 @@ where
where where
F: FnMut(usize, usize) -> N, F: FnMut(usize, usize) -> N,
{ {
#[cfg(feature="no_unsound_assume_init")] let mut res: Self = unsafe { crate::unimplemented_or_uninitialized_generic!(nrows, ncols) };
let mut res: Self = unimplemented!();
#[cfg(not(feature="no_unsound_assume_init"))]
let mut res = unsafe { Self::new_uninitialized_generic(nrows, ncols).assume_init() };
for j in 0..ncols.value() { for j in 0..ncols.value() {
for i in 0..nrows.value() { for i in 0..nrows.value() {

10
src/base/conversion.rs
View File

@ -50,10 +50,7 @@ where
let nrows2 = R2::from_usize(nrows); let nrows2 = R2::from_usize(nrows);
let ncols2 = C2::from_usize(ncols); let ncols2 = C2::from_usize(ncols);
#[cfg(feature="no_unsound_assume_init")] let mut res: MatrixMN<N2, R2, C2> = unsafe { crate::unimplemented_or_uninitialized_generic!(nrows2, ncols2) };
let mut res: MatrixMN<N2, R2, C2> = unimplemented!();
#[cfg(not(feature="no_unsound_assume_init"))]
let mut res = unsafe { MatrixMN::<N2, R2, C2>::new_uninitialized_generic(nrows2, ncols2).assume_init() };
for i in 0..nrows { for i in 0..nrows {
for j in 0..ncols { for j in 0..ncols {
unsafe { unsafe {
@ -76,10 +73,7 @@ where
let nrows = R1::from_usize(nrows2); let nrows = R1::from_usize(nrows2);
let ncols = C1::from_usize(ncols2); let ncols = C1::from_usize(ncols2);
#[cfg(feature="no_unsound_assume_init")] let mut res: Self = unsafe { crate::unimplemented_or_uninitialized_generic!(nrows, ncols) };
let mut res: Self = unimplemented!();
#[cfg(not(feature="no_unsound_assume_init"))]
let mut res = unsafe { Self::new_uninitialized_generic(nrows, ncols).assume_init() };
for i in 0..nrows2 { for i in 0..nrows2 {
for j in 0..ncols2 { for j in 0..ncols2 {
unsafe { unsafe {

19
src/base/edition.rs
View File

@ -54,7 +54,7 @@ impl<N: Scalar + Zero, R: Dim, C: Dim, S: Storage<N, R, C>> Matrix<N, R, C, S> {
{ {
let irows = irows.into_iter(); let irows = irows.into_iter();
let ncols = self.data.shape().1; let ncols = self.data.shape().1;
let mut res = unsafe { crate::zero_or_uninitialized_generic!(Dynamic::new(irows.len()), ncols) }; let mut res = unsafe { crate::unimplemented_or_uninitialized_generic!(Dynamic::new(irows.len()), ncols) };
// First, check that all the indices from irows are valid. // First, check that all the indices from irows are valid.
// This will allow us to use unchecked access in the inner loop. // This will allow us to use unchecked access in the inner loop.
@ -89,7 +89,7 @@ impl<N: Scalar + Zero, R: Dim, C: Dim, S: Storage<N, R, C>> Matrix<N, R, C, S> {
let icols = icols.into_iter(); let icols = icols.into_iter();
let nrows = self.data.shape().0; let nrows = self.data.shape().0;
let mut res = let mut res =
unsafe { crate::zero_or_uninitialized_generic!(nrows, Dynamic::new(icols.len())) }; unsafe { crate::unimplemented_or_uninitialized_generic!(nrows, Dynamic::new(icols.len())) };
for (destination, source) in icols.enumerate() { for (destination, source) in icols.enumerate() {
res.column_mut(destination).copy_from(&self.column(*source)) res.column_mut(destination).copy_from(&self.column(*source))
@ -895,10 +895,7 @@ impl<N: Scalar> DMatrix<N> {
where where
DefaultAllocator: Reallocator<N, Dynamic, Dynamic, Dynamic, Dynamic>, DefaultAllocator: Reallocator<N, Dynamic, Dynamic, Dynamic, Dynamic>,
{ {
#[cfg(feature="no_unsound_assume_init")] let placeholder = unsafe { crate::unimplemented_or_uninitialized_generic!(Dynamic::new(0), Dynamic::new(0)) };
let placeholder = unimplemented!();
#[cfg(not(feature="no_unsound_assume_init"))]
let placeholder = unsafe { Self::new_uninitialized(0, 0).assume_init() };
let old = mem::replace(self, placeholder); let old = mem::replace(self, placeholder);
let new = old.resize(new_nrows, new_ncols, val); let new = old.resize(new_nrows, new_ncols, val);
let _ = mem::replace(self, new); let _ = mem::replace(self, new);
@ -921,10 +918,7 @@ where
where where
DefaultAllocator: Reallocator<N, Dynamic, C, Dynamic, C>, DefaultAllocator: Reallocator<N, Dynamic, C, Dynamic, C>,
{ {
#[cfg(feature="no_unsound_assume_init")] let placeholder = unsafe { crate::unimplemented_or_uninitialized_generic!(Dynamic::new(0), self.data.shape().1) };
let placeholder = unimplemented!();
#[cfg(not(feature="no_unsound_assume_init"))]
let placeholder = unsafe { Self::new_uninitialized_generic(Dynamic::new(0), self.data.shape().1).assume_init() };
let old = mem::replace(self, placeholder); let old = mem::replace(self, placeholder);
let new = old.resize_vertically(new_nrows, val); let new = old.resize_vertically(new_nrows, val);
let _ = mem::replace(self, new); let _ = mem::replace(self, new);
@ -947,10 +941,7 @@ where
where where
DefaultAllocator: Reallocator<N, R, Dynamic, R, Dynamic>, DefaultAllocator: Reallocator<N, R, Dynamic, R, Dynamic>,
{ {
#[cfg(feature="no_unsound_assume_init")] let placeholder = unsafe { crate::unimplemented_or_uninitialized_generic!(self.data.shape().0, Dynamic::new(0)) };
let placeholder = unimplemented!();
#[cfg(not(feature="no_unsound_assume_init"))]
let placeholder = unsafe { Self::new_uninitialized_generic(self.data.shape().0, Dynamic::new(0)).assume_init() };
let old = mem::replace(self, placeholder); let old = mem::replace(self, placeholder);
let new = old.resize_horizontally(new_ncols, val); let new = old.resize_horizontally(new_ncols, val);
let _ = mem::replace(self, new); let _ = mem::replace(self, new);

52
src/base/matrix.rs
View File

@ -507,10 +507,7 @@ impl<N: Scalar, R: Dim, C: Dim, S: Storage<N, R, C>> Matrix<N, R, C, S> {
let nrows: SameShapeR<R, R2> = Dim::from_usize(nrows); let nrows: SameShapeR<R, R2> = Dim::from_usize(nrows);
let ncols: SameShapeC<C, C2> = Dim::from_usize(ncols); let ncols: SameShapeC<C, C2> = Dim::from_usize(ncols);
#[cfg(feature="no_unsound_assume_init")] let mut res: MatrixSum<N, R, C, R2, C2> = unsafe { crate::unimplemented_or_uninitialized_generic!(nrows, ncols) };
let mut res: MatrixSum<N, R, C, R2, C2> = unimplemented!();
#[cfg(not(feature="no_unsound_assume_init"))]
let mut res: MatrixSum<N, R, C, R2, C2> = unsafe { Matrix::new_uninitialized_generic(nrows, ncols).assume_init() };
// TODO: use copy_from // TODO: use copy_from
for j in 0..res.ncols() { for j in 0..res.ncols() {
@ -559,10 +556,7 @@ impl<N: Scalar, R: Dim, C: Dim, S: Storage<N, R, C>> Matrix<N, R, C, S> {
let (nrows, ncols) = self.data.shape(); let (nrows, ncols) = self.data.shape();
unsafe { unsafe {
#[cfg(feature="no_unsound_assume_init")] let mut res = crate::unimplemented_or_uninitialized_generic!(ncols, nrows);
let mut res = unimplemented!();
#[cfg(not(feature="no_unsound_assume_init"))]
let mut res = Matrix::new_uninitialized_generic(ncols, nrows).assume_init();
self.transpose_to(&mut res); self.transpose_to(&mut res);
res res
@ -580,10 +574,7 @@ impl<N: Scalar, R: Dim, C: Dim, S: Storage<N, R, C>> Matrix<N, R, C, S> {
{ {
let (nrows, ncols) = self.data.shape(); let (nrows, ncols) = self.data.shape();
#[cfg(feature="no_unsound_assume_init")] let mut res: MatrixMN<N2, R, C> = unsafe { crate::unimplemented_or_uninitialized_generic!(nrows, ncols) };
let mut res: MatrixMN<N2, R, C> = unimplemented!();
#[cfg(not(feature="no_unsound_assume_init"))]
let mut res = unsafe { MatrixMN::new_uninitialized_generic(nrows, ncols).assume_init() };
for j in 0..ncols.value() { for j in 0..ncols.value() {
for i in 0..nrows.value() { for i in 0..nrows.value() {
@ -627,10 +618,7 @@ impl<N: Scalar, R: Dim, C: Dim, S: Storage<N, R, C>> Matrix<N, R, C, S> {
{ {
let (nrows, ncols) = self.data.shape(); let (nrows, ncols) = self.data.shape();
#[cfg(feature="no_unsound_assume_init")] let mut res: MatrixMN<N2, R, C> = unsafe { crate::unimplemented_or_uninitialized_generic!(nrows, ncols) };
let mut res: MatrixMN<N2, R, C> = unimplemented!();
#[cfg(not(feature="no_unsound_assume_init"))]
let mut res = unsafe { MatrixMN::new_uninitialized_generic(nrows, ncols).assume_init() };
for j in 0..ncols.value() { for j in 0..ncols.value() {
for i in 0..nrows.value() { for i in 0..nrows.value() {
@ -657,10 +645,7 @@ impl<N: Scalar, R: Dim, C: Dim, S: Storage<N, R, C>> Matrix<N, R, C, S> {
{ {
let (nrows, ncols) = self.data.shape(); let (nrows, ncols) = self.data.shape();
#[cfg(feature="no_unsound_assume_init")] let mut res: MatrixMN<N3, R, C> = unsafe { crate::unimplemented_or_uninitialized_generic!(nrows, ncols) };
let mut res: MatrixMN<N3, R, C> = unimplemented!();
#[cfg(not(feature="no_unsound_assume_init"))]
let mut res = unsafe { MatrixMN::new_uninitialized_generic(nrows, ncols).assume_init() };
assert_eq!( assert_eq!(
(nrows.value(), ncols.value()), (nrows.value(), ncols.value()),
@ -701,10 +686,7 @@ impl<N: Scalar, R: Dim, C: Dim, S: Storage<N, R, C>> Matrix<N, R, C, S> {
{ {
let (nrows, ncols) = self.data.shape(); let (nrows, ncols) = self.data.shape();
#[cfg(feature="no_unsound_assume_init")] let mut res: MatrixMN<N4, R, C> = unsafe { crate::unimplemented_or_uninitialized_generic!(nrows, ncols) };
let mut res: MatrixMN<N4, R, C> = unimplemented!();
#[cfg(not(feature="no_unsound_assume_init"))]
let mut res = unsafe { MatrixMN::new_uninitialized_generic(nrows, ncols).assume_init() };
assert_eq!( assert_eq!(
(nrows.value(), ncols.value()), (nrows.value(), ncols.value()),
@ -1198,10 +1180,7 @@ impl<N: SimdComplexField, R: Dim, C: Dim, S: Storage<N, R, C>> Matrix<N, R, C, S
let (nrows, ncols) = self.data.shape(); let (nrows, ncols) = self.data.shape();
unsafe { unsafe {
#[cfg(feature="no_unsound_assume_init")] let mut res: MatrixMN<_, C, R> = crate::unimplemented_or_uninitialized_generic!(ncols, nrows);
let mut res = unimplemented!();
#[cfg(not(feature="no_unsound_assume_init"))]
let mut res: MatrixMN<_, C, R> = Matrix::new_uninitialized_generic(ncols, nrows).assume_init();
self.adjoint_to(&mut res); self.adjoint_to(&mut res);
res res
@ -1342,10 +1321,7 @@ impl<N: Scalar, D: Dim, S: Storage<N, D, D>> SquareMatrix<N, D, S> {
); );
let dim = self.data.shape().0; let dim = self.data.shape().0;
#[cfg(feature="no_unsound_assume_init")] let mut res: VectorN<N2, D> = unsafe { crate::unimplemented_or_uninitialized_generic!(dim, U1) };
let mut res: VectorN<N2, D> = unimplemented!();
#[cfg(not(feature="no_unsound_assume_init"))]
let mut res = unsafe { VectorN::new_uninitialized_generic(dim, U1).assume_init() };
for i in 0..dim.value() { for i in 0..dim.value() {
unsafe { unsafe {
@ -1472,7 +1448,7 @@ impl<N: Scalar + Zero, D: DimAdd<U1>, S: Storage<N, D>> Vector<N, D, S> {
{ {
let len = self.len(); let len = self.len();
let hnrows = DimSum::<D, U1>::from_usize(len + 1); let hnrows = DimSum::<D, U1>::from_usize(len + 1);
let mut res: VectorN::<N, _> = unsafe { crate::zero_or_uninitialized_generic!(hnrows, U1) }; let mut res: VectorN::<N, _> = unsafe { crate::unimplemented_or_uninitialized_generic!(hnrows, U1) };
res.generic_slice_mut((0, 0), self.data.shape()) res.generic_slice_mut((0, 0), self.data.shape())
.copy_from(self); .copy_from(self);
res[(len, 0)] = element; res[(len, 0)] = element;
@ -1817,10 +1793,7 @@ impl<N: Scalar + ClosedAdd + ClosedSub + ClosedMul, R: Dim, C: Dim, S: Storage<N
// TODO: soooo ugly! // TODO: soooo ugly!
let nrows = SameShapeR::<R, R2>::from_usize(3); let nrows = SameShapeR::<R, R2>::from_usize(3);
let ncols = SameShapeC::<C, C2>::from_usize(1); let ncols = SameShapeC::<C, C2>::from_usize(1);
#[cfg(feature="no_unsound_assume_init")] let mut res: MatrixCross<N, R, C, R2, C2> = crate::unimplemented_or_uninitialized_generic!(nrows, ncols);
let mut res: MatrixCross<N, R, C, R2, C2> = unimplemented!();
#[cfg(not(feature="no_unsound_assume_init"))]
let mut res = Matrix::new_uninitialized_generic(nrows, ncols).assume_init();
let ax = self.get_unchecked((0, 0)); let ax = self.get_unchecked((0, 0));
let ay = self.get_unchecked((1, 0)); let ay = self.get_unchecked((1, 0));
@ -1844,10 +1817,7 @@ impl<N: Scalar + ClosedAdd + ClosedSub + ClosedMul, R: Dim, C: Dim, S: Storage<N
// TODO: ugly! // TODO: ugly!
let nrows = SameShapeR::<R, R2>::from_usize(1); let nrows = SameShapeR::<R, R2>::from_usize(1);
let ncols = SameShapeC::<C, C2>::from_usize(3); let ncols = SameShapeC::<C, C2>::from_usize(3);
#[cfg(feature="no_unsound_assume_init")] let mut res: MatrixCross<N, R, C, R2, C2> = crate::unimplemented_or_uninitialized_generic!(nrows, ncols);
let mut res: MatrixCross<N, R, C, R2, C2> = unimplemented!();
#[cfg(not(feature="no_unsound_assume_init"))]
let mut res = Matrix::new_uninitialized_generic(nrows, ncols).assume_init();
let ax = self.get_unchecked((0, 0)); let ax = self.get_unchecked((0, 0));
let ay = self.get_unchecked((0, 1)); let ay = self.get_unchecked((0, 1));

13
src/base/ops.rs
View File

@ -331,10 +331,7 @@ macro_rules! componentwise_binop_impl(
let (nrows, ncols) = self.shape(); let (nrows, ncols) = self.shape();
let nrows: SameShapeR<R1, R2> = Dim::from_usize(nrows); let nrows: SameShapeR<R1, R2> = Dim::from_usize(nrows);
let ncols: SameShapeC<C1, C2> = Dim::from_usize(ncols); let ncols: SameShapeC<C1, C2> = Dim::from_usize(ncols);
#[cfg(feature="no_unsound_assume_init")] crate::unimplemented_or_uninitialized_generic!(nrows, ncols)
{ unimplemented!() }
#[cfg(not(feature="no_unsound_assume_init"))]
{ Matrix::new_uninitialized_generic(nrows, ncols).assume_init() }
}; };
self.$method_to_statically_unchecked(rhs, &mut res); self.$method_to_statically_unchecked(rhs, &mut res);
@ -576,7 +573,7 @@ where
#[inline] #[inline]
fn mul(self, rhs: &'b Matrix<N, R2, C2, SB>) -> Self::Output { fn mul(self, rhs: &'b Matrix<N, R2, C2, SB>) -> Self::Output {
let mut res = unsafe { crate::zero_or_uninitialized_generic!(self.data.shape().0, rhs.data.shape().1) }; let mut res = unsafe { crate::unimplemented_or_uninitialized_generic!(self.data.shape().0, rhs.data.shape().1) };
self.mul_to(rhs, &mut res); self.mul_to(rhs, &mut res);
res res
} }
@ -685,7 +682,7 @@ where
DefaultAllocator: Allocator<N, C1, C2>, DefaultAllocator: Allocator<N, C1, C2>,
ShapeConstraint: SameNumberOfRows<R1, R2>, ShapeConstraint: SameNumberOfRows<R1, R2>,
{ {
let mut res = unsafe { crate::zero_or_uninitialized_generic!(self.data.shape().1, rhs.data.shape().1) }; let mut res = unsafe { crate::unimplemented_or_uninitialized_generic!(self.data.shape().1, rhs.data.shape().1) };
self.tr_mul_to(rhs, &mut res); self.tr_mul_to(rhs, &mut res);
res res
@ -700,7 +697,7 @@ where
DefaultAllocator: Allocator<N, C1, C2>, DefaultAllocator: Allocator<N, C1, C2>,
ShapeConstraint: SameNumberOfRows<R1, R2>, ShapeConstraint: SameNumberOfRows<R1, R2>,
{ {
let mut res = unsafe { crate::zero_or_uninitialized_generic!(self.data.shape().1, rhs.data.shape().1) }; let mut res = unsafe { crate::unimplemented_or_uninitialized_generic!(self.data.shape().1, rhs.data.shape().1) };
self.ad_mul_to(rhs, &mut res); self.ad_mul_to(rhs, &mut res);
res res
@ -814,7 +811,7 @@ where
let (nrows1, ncols1) = self.data.shape(); let (nrows1, ncols1) = self.data.shape();
let (nrows2, ncols2) = rhs.data.shape(); let (nrows2, ncols2) = rhs.data.shape();
let mut res = unsafe { crate::zero_or_uninitialized_generic!(nrows1.mul(nrows2), ncols1.mul(ncols2)) }; let mut res = unsafe { crate::unimplemented_or_uninitialized_generic!(nrows1.mul(nrows2), ncols1.mul(ncols2)) };
{ {
let mut data_res = res.data.ptr_mut(); let mut data_res = res.data.ptr_mut();

10
src/base/statistics.rs
View File

@ -17,10 +17,7 @@ impl<N: Scalar, R: Dim, C: Dim, S: Storage<N, R, C>> Matrix<N, R, C, S> {
DefaultAllocator: Allocator<N, U1, C>, DefaultAllocator: Allocator<N, U1, C>,
{ {
let ncols = self.data.shape().1; let ncols = self.data.shape().1;
#[cfg(feature="no_unsound_assume_init")] let mut res: RowVectorN<N, C> = unsafe { crate::unimplemented_or_uninitialized_generic!(U1, ncols) };
let mut res: RowVectorN<N, C> = unimplemented!();
#[cfg(not(feature="no_unsound_assume_init"))]
let mut res = unsafe { RowVectorN::new_uninitialized_generic(U1, ncols).assume_init() };
for i in 0..ncols.value() { for i in 0..ncols.value() {
// TODO: avoid bound checking of column. // TODO: avoid bound checking of column.
@ -45,10 +42,7 @@ impl<N: Scalar, R: Dim, C: Dim, S: Storage<N, R, C>> Matrix<N, R, C, S> {
DefaultAllocator: Allocator<N, C>, DefaultAllocator: Allocator<N, C>,
{ {
let ncols = self.data.shape().1; let ncols = self.data.shape().1;
#[cfg(feature="no_unsound_assume_init")] let mut res: VectorN<N, C> = unsafe { crate::unimplemented_or_uninitialized_generic!(ncols, U1) };
let mut res: VectorN<N, C> = unimplemented!();
#[cfg(not(feature="no_unsound_assume_init"))]
let mut res = unsafe { VectorN::new_uninitialized_generic(ncols, U1).assume_init() };
for i in 0..ncols.value() { for i in 0..ncols.value() {
// TODO: avoid bound checking of column. // TODO: avoid bound checking of column.

5
src/geometry/point.rs
View File

@ -181,10 +181,7 @@ where
D: DimNameAdd<U1>, D: DimNameAdd<U1>,
DefaultAllocator: Allocator<N, DimNameSum<D, U1>>, DefaultAllocator: Allocator<N, DimNameSum<D, U1>>,
{ {
#[cfg(feature="no_unsound_assume_init")] let mut res = unsafe { crate::unimplemented_or_uninitialized_generic!(<DimNameSum<D, U1> as DimName>::name(), U1) };
let mut res: VectorN<N, DimNameSum<D, U1>> = unimplemented!();
#[cfg(not(feature="no_unsound_assume_init"))]
let mut res = unsafe { VectorN::<_, DimNameSum<D, U1>>::new_uninitialized().assume_init() };
res.fixed_slice_mut::<D, U1>(0, 0).copy_from(&self.coords); res.fixed_slice_mut::<D, U1>(0, 0).copy_from(&self.coords);
res[(D::dim(), 0)] = N::one(); res[(D::dim(), 0)] = N::one();

5
src/geometry/point_construction.rs
View File

@ -24,10 +24,7 @@ where
/// Creates a new point with uninitialized coordinates. /// Creates a new point with uninitialized coordinates.
#[inline] #[inline]
pub unsafe fn new_uninitialized() -> Self { pub unsafe fn new_uninitialized() -> Self {
#[cfg(feature="no_unsound_assume_init")] Self::from(crate::unimplemented_or_uninitialized_generic!(D::name(), U1))
{ unimplemented!() }
#[cfg(not(feature="no_unsound_assume_init"))]
{ Self::from(VectorN::new_uninitialized().assume_init()) }
} }
/// Creates a new point with all coordinates equal to zero. /// Creates a new point with all coordinates equal to zero.

12
src/linalg/bidiagonal.rs
View File

@ -81,11 +81,11 @@ where
"Cannot compute the bidiagonalization of an empty matrix." "Cannot compute the bidiagonalization of an empty matrix."
); );
let mut diagonal = unsafe { crate::zero_or_uninitialized_generic!(min_nrows_ncols, U1) }; let mut diagonal = unsafe { crate::unimplemented_or_uninitialized_generic!(min_nrows_ncols, U1) };
let mut off_diagonal = let mut off_diagonal =
unsafe { crate::zero_or_uninitialized_generic!(min_nrows_ncols.sub(U1), U1) }; unsafe { crate::unimplemented_or_uninitialized_generic!(min_nrows_ncols.sub(U1), U1) };
let mut axis_packed = unsafe { crate::zero_or_uninitialized_generic!(ncols, U1) }; let mut axis_packed = unsafe { crate::unimplemented_or_uninitialized_generic!(ncols, U1) };
let mut work = unsafe { crate::zero_or_uninitialized_generic!(nrows, U1) }; let mut work = unsafe { crate::unimplemented_or_uninitialized_generic!(nrows, U1) };
let upper_diagonal = nrows.value() >= ncols.value(); let upper_diagonal = nrows.value() >= ncols.value();
if upper_diagonal { if upper_diagonal {
@ -239,8 +239,8 @@ where
let min_nrows_ncols = nrows.min(ncols); let min_nrows_ncols = nrows.min(ncols);
let mut res = Matrix::identity_generic(min_nrows_ncols, ncols); let mut res = Matrix::identity_generic(min_nrows_ncols, ncols);
let mut work = unsafe { crate::zero_or_uninitialized_generic!(min_nrows_ncols, U1) }; let mut work = unsafe { crate::unimplemented_or_uninitialized_generic!(min_nrows_ncols, U1) };
let mut axis_packed = unsafe { crate::zero_or_uninitialized_generic!(ncols, U1) }; let mut axis_packed = unsafe { crate::unimplemented_or_uninitialized_generic!(ncols, U1) };
let shift = self.axis_shift().1; let shift = self.axis_shift().1;

4
src/linalg/cholesky.rs
View File

@ -223,7 +223,7 @@ where
// loads the data into a new matrix with an additional jth row/column // loads the data into a new matrix with an additional jth row/column
let mut chol = unsafe { let mut chol = unsafe {
crate::zero_or_uninitialized_generic!( crate::unimplemented_or_uninitialized_generic!(
self.chol.data.shape().0.add(U1), self.chol.data.shape().0.add(U1),
self.chol.data.shape().1.add(U1) self.chol.data.shape().1.add(U1)
) )
@ -288,7 +288,7 @@ where
// loads the data into a new matrix except for the jth row/column // loads the data into a new matrix except for the jth row/column
let mut chol = unsafe { let mut chol = unsafe {
crate::zero_or_uninitialized_generic!( crate::unimplemented_or_uninitialized_generic!(
self.chol.data.shape().0.sub(U1), self.chol.data.shape().0.sub(U1),
self.chol.data.shape().1.sub(U1) self.chol.data.shape().1.sub(U1)
) )

4
src/linalg/hessenberg.rs
View File

@ -48,7 +48,7 @@ where
{ {
/// Computes the Hessenberg decomposition using householder reflections. /// Computes the Hessenberg decomposition using householder reflections.
pub fn new(hess: MatrixN<N, D>) -> Self { pub fn new(hess: MatrixN<N, D>) -> Self {
let mut work = unsafe { crate::zero_or_uninitialized_generic!(hess.data.shape().0, U1) }; let mut work = unsafe { crate::unimplemented_or_uninitialized_generic!(hess.data.shape().0, U1) };
Self::new_with_workspace(hess, &mut work) Self::new_with_workspace(hess, &mut work)
} }
@ -74,7 +74,7 @@ where
"Hessenberg: invalid workspace size." "Hessenberg: invalid workspace size."
); );
let mut subdiag = unsafe { crate::zero_or_uninitialized_generic!(dim.sub(U1), U1) }; let mut subdiag = unsafe { crate::unimplemented_or_uninitialized_generic!(dim.sub(U1), U1) };
if dim.value() == 0 { if dim.value() == 0 {
return Hessenberg { hess, subdiag }; return Hessenberg { hess, subdiag };

5
src/linalg/permutation_sequence.rs
View File

@ -70,12 +70,9 @@ where
#[inline] #[inline]
pub fn identity_generic(dim: D) -> Self { pub fn identity_generic(dim: D) -> Self {
unsafe { unsafe {
#[cfg(feature="no_unsound_assume_init")]
unimplemented!();
#[cfg(not(feature="no_unsound_assume_init"))]
Self { Self {
len: 0, len: 0,
ipiv: VectorN::new_uninitialized_generic(dim, U1).assume_init(), ipiv: crate::unimplemented_or_uninitialized_generic!(dim, U1),
} }
} }
} }

2
src/linalg/qr.rs
View File

@ -54,7 +54,7 @@ where
let (nrows, ncols) = matrix.data.shape(); let (nrows, ncols) = matrix.data.shape();
let min_nrows_ncols = nrows.min(ncols); let min_nrows_ncols = nrows.min(ncols);
let mut diag = unsafe { crate::zero_or_uninitialized_generic!(min_nrows_ncols, U1) }; let mut diag = unsafe { crate::unimplemented_or_uninitialized_generic!(min_nrows_ncols, U1) };
if min_nrows_ncols.value() == 0 { if min_nrows_ncols.value() == 0 {
return QR { qr: matrix, diag }; return QR { qr: matrix, diag };

12
src/linalg/schur.rs
View File

@ -71,7 +71,7 @@ where
/// number of iteration is exceeded, `None` is returned. If `niter == 0`, then the algorithm /// number of iteration is exceeded, `None` is returned. If `niter == 0`, then the algorithm
/// continues indefinitely until convergence. /// continues indefinitely until convergence.
pub fn try_new(m: MatrixN<N, D>, eps: N::RealField, max_niter: usize) -> Option<Self> { pub fn try_new(m: MatrixN<N, D>, eps: N::RealField, max_niter: usize) -> Option<Self> {
let mut work = unsafe { crate::zero_or_uninitialized_generic!(m.data.shape().0, U1) }; let mut work = unsafe { crate::unimplemented_or_uninitialized_generic!(m.data.shape().0, U1) };
Self::do_decompose(m, &mut work, eps, max_niter, true) Self::do_decompose(m, &mut work, eps, max_niter, true)
.map(|(q, t)| Schur { q: q.unwrap(), t }) .map(|(q, t)| Schur { q: q.unwrap(), t })
@ -378,7 +378,7 @@ where
/// ///
/// Return `None` if some eigenvalues are complex. /// Return `None` if some eigenvalues are complex.
pub fn eigenvalues(&self) -> Option<VectorN<N, D>> { pub fn eigenvalues(&self) -> Option<VectorN<N, D>> {
let mut out = unsafe { crate::zero_or_uninitialized_generic!(self.t.data.shape().0, U1) }; let mut out = unsafe { crate::unimplemented_or_uninitialized_generic!(self.t.data.shape().0, U1) };
if Self::do_eigenvalues(&self.t, &mut out) { if Self::do_eigenvalues(&self.t, &mut out) {
Some(out) Some(out)
} else { } else {
@ -392,7 +392,7 @@ where
N: RealField, N: RealField,
DefaultAllocator: Allocator<NumComplex<N>, D>, DefaultAllocator: Allocator<NumComplex<N>, D>,
{ {
let mut out = unsafe { crate::zero_or_uninitialized_generic!(self.t.data.shape().0, U1) }; let mut out = unsafe { crate::unimplemented_or_uninitialized_generic!(self.t.data.shape().0, U1) };
Self::do_complex_eigenvalues(&self.t, &mut out); Self::do_complex_eigenvalues(&self.t, &mut out);
out out
} }
@ -503,7 +503,7 @@ where
"Unable to compute eigenvalues of a non-square matrix." "Unable to compute eigenvalues of a non-square matrix."
); );
let mut work = unsafe { crate::zero_or_uninitialized_generic!(self.data.shape().0, U1) }; let mut work = unsafe { crate::unimplemented_or_uninitialized_generic!(self.data.shape().0, U1) };
// Special case for 2x2 matrices. // Special case for 2x2 matrices.
if self.nrows() == 2 { if self.nrows() == 2 {
@ -544,7 +544,7 @@ where
DefaultAllocator: Allocator<NumComplex<N>, D>, DefaultAllocator: Allocator<NumComplex<N>, D>,
{ {
let dim = self.data.shape().0; let dim = self.data.shape().0;
let mut work = unsafe { crate::zero_or_uninitialized_generic!(dim, U1) }; let mut work = unsafe { crate::unimplemented_or_uninitialized_generic!(dim, U1) };
let schur = Schur::do_decompose( let schur = Schur::do_decompose(
self.clone_owned(), self.clone_owned(),
@ -554,7 +554,7 @@ where
false, false,
) )
.unwrap(); .unwrap();
let mut eig = unsafe { crate::zero_or_uninitialized_generic!(dim, U1) }; let mut eig = unsafe { crate::unimplemented_or_uninitialized_generic!(dim, U1) };
Schur::do_complex_eigenvalues(&schur.1, &mut eig); Schur::do_complex_eigenvalues(&schur.1, &mut eig);
eig eig
} }

4
src/linalg/symmetric_tridiagonal.rs
View File

@ -61,8 +61,8 @@ where
"Unable to compute the symmetric tridiagonal decomposition of an empty matrix." "Unable to compute the symmetric tridiagonal decomposition of an empty matrix."
); );
let mut off_diagonal = unsafe { crate::zero_or_uninitialized_generic!(dim.sub(U1), U1) }; let mut off_diagonal = unsafe { crate::unimplemented_or_uninitialized_generic!(dim.sub(U1), U1) };
let mut p = unsafe { crate::zero_or_uninitialized_generic!(dim.sub(U1), U1) }; let mut p = unsafe { crate::unimplemented_or_uninitialized_generic!(dim.sub(U1), U1) };
for i in 0..dim.value() - 1 { for i in 0..dim.value() - 1 {
let mut m = m.rows_range_mut(i + 1..); let mut m = m.rows_range_mut(i + 1..);