diffsol/op/
matrix.rs

1use crate::{LinearOp, Matrix, MatrixSparsityRef, NonLinearOp, NonLinearOpJacobian, Op};
2use num_traits::Zero;
3
4pub struct MatrixOp<M: Matrix> {
5    m: M,
6}
7
8impl<M: Matrix> MatrixOp<M> {
9    pub fn new(m: M) -> Self {
10        Self { m }
11    }
12    pub fn m_mut(&mut self) -> &mut M {
13        &mut self.m
14    }
15    pub fn m(&self) -> &M {
16        &self.m
17    }
18}
19
20impl<M: Matrix> Op for MatrixOp<M> {
21    type V = M::V;
22    type T = M::T;
23    type M = M;
24    type C = M::C;
25    fn nstates(&self) -> usize {
26        self.m.nrows()
27    }
28    fn nout(&self) -> usize {
29        self.m.ncols()
30    }
31    fn nparams(&self) -> usize {
32        0
33    }
34    fn context(&self) -> &Self::C {
35        self.m.context()
36    }
37}
38
39impl<M: Matrix> LinearOp for MatrixOp<M> {
40    fn gemv_inplace(&self, x: &Self::V, t: Self::T, beta: Self::T, y: &mut Self::V) {
41        self.m.gemv(t, x, beta, y);
42    }
43    fn sparsity(&self) -> Option<<Self::M as Matrix>::Sparsity> {
44        self.m.sparsity().map(|s| s.to_owned())
45    }
46}
47
48impl<M: Matrix> NonLinearOp for MatrixOp<M> {
49    fn call_inplace(&self, x: &Self::V, t: Self::T, y: &mut Self::V) {
50        self.m.gemv(t, x, Self::T::zero(), y);
51    }
52}
53
54impl<M: Matrix> NonLinearOpJacobian for MatrixOp<M> {
55    fn jac_mul_inplace(&self, _x: &Self::V, t: Self::T, v: &Self::V, y: &mut Self::V) {
56        self.m.gemv(t, v, Self::T::zero(), y);
57    }
58
59    fn jacobian(&self, _x: &Self::V, _t: Self::T) -> Self::M {
60        self.m.clone()
61    }
62
63    fn jacobian_inplace(&self, _x: &Self::V, _t: Self::T, y: &mut Self::M) {
64        y.copy_from(&self.m);
65    }
66
67    fn jacobian_sparsity(&self) -> Option<<Self::M as Matrix>::Sparsity> {
68        self.m.sparsity().map(|s| s.to_owned())
69    }
70}
diffsol/op/matrix.rs

diffsol/op/
matrix.rs
