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Added [typenum]-facing side to [Conv] trait

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Dzuchun 2024-11-17 06:15:48 +02:00
commit be6012d658
1 changed files with 19 additions and 4 deletions
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23
src/lib.rs
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@ -35,7 +35,10 @@ pub trait Conv {
/// [`nalgebra`]-faced type (matrix dimension)
type Nalg: Dim;
/// [`typenum`]/[`generic_array`]-faced type (generic array length)
/// [`typenum`]-faced type (unsigned int)
type TNum: Unsigned;
/// [`generic_array`]-faced type (generic array length)
type ArrLen: ArrayLength;
/// Constructor method used in [`nalgebra`] implementations
@ -44,7 +47,8 @@ pub trait Conv {
impl<const N: usize> Conv for nalgebra::Const<N>
where
typenum::Const<N>: generic_array::IntoArrayLength,
typenum::Const<N>: generic_array::IntoArrayLength + typenum::ToUInt,
<typenum::Const<N> as typenum::ToUInt>::Output: Unsigned,
{
const SEAL: Seal = Seal(());
@ -52,6 +56,8 @@ where
type Nalg = nalgebra::Const<N>;
type TNum = typenum::U<N>;
type ArrLen = <typenum::Const<N> as generic_array::IntoArrayLength>::ArrayLength;
fn new_nalg() -> Self::Nalg {
@ -61,7 +67,8 @@ where
impl<const N: usize> Conv for typenum::Const<N>
where
typenum::Const<N>: generic_array::IntoArrayLength,
typenum::Const<N>: generic_array::IntoArrayLength + typenum::ToUInt,
<typenum::Const<N> as typenum::ToUInt>::Output: Unsigned,
{
const SEAL: Seal = Seal(());
@ -69,6 +76,8 @@ where
type Nalg = nalgebra::Const<N>;
type TNum = typenum::U<N>;
type ArrLen = <typenum::Const<N> as generic_array::IntoArrayLength>::ArrayLength;
fn new_nalg() -> Self::Nalg {
@ -83,6 +92,8 @@ impl Conv for typenum::UTerm {
type Nalg = nalgebra::Const<0>;
type TNum = typenum::consts::U0;
type ArrLen = Self;
fn new_nalg() -> Self::Nalg {
@ -103,6 +114,8 @@ where
type Nalg = <U::Nalg as nalgebra::dimension::DimMul<nalgebra::U2>>::Output;
type TNum = typenum::operator_aliases::Prod<U::ArrLen, typenum::U2>;
type ArrLen = typenum::operator_aliases::Prod<U::ArrLen, typenum::U2>;
fn new_nalg() -> Self::Nalg {
@ -124,6 +137,8 @@ where
type Nalg =
<<typenum::UInt<U, B0> as Conv>::Nalg as nalgebra::dimension::DimAdd<nalgebra::U1>>::Output;
type TNum = typenum::operator_aliases::Sum<<typenum::UInt<U, B0> as Conv>::ArrLen, typenum::U1>;
type ArrLen =
typenum::operator_aliases::Sum<<typenum::UInt<U, B0> as Conv>::ArrLen, typenum::U1>;
@ -202,7 +217,7 @@ use nalgebra::{
allocator::Allocator, ArrayStorage, Dim, IsContiguous, Matrix, Owned, RawStorage,
RawStorageMut, Scalar, Storage,
};
use typenum::{B0, B1};
use typenum::{Unsigned, B0, B1};
/// A stack-allocated storage, of [`typenum`]-backed col-major two dimensional array
///