first untested sparse implementation

2020-06-12 21:04:18 +02:00
parent 9261f1b239
commit 4f772b8dc5
6 changed files with 802 additions and 40 deletions
--- a/sbp/src/operators/upwind4.rs
+++ b/sbp/src/operators/upwind4.rs
@@ -207,6 +207,20 @@ impl SbpOperator1d for Upwind4 {
    fn h(&self) -> &'static [Float] {
        Self::HBLOCK
    }
+    #[cfg(feature = "sparse")]
+    fn diff_matrix(&self, n: usize) -> sprs::CsMat<Float> {
+        super::sparse_from_block(
+            Self::BLOCK,
+            Self::DIAG,
+            super::Symmetry::AntiSymmetric,
+            super::OperatorType::Normal,
+            n,
+        )
+    }
+    #[cfg(feature = "sparse")]
+    fn h_matrix(&self, n: usize) -> sprs::CsMat<Float> {
+        super::h_matrix(Self::DIAG, n, self.is_h2())
+    }
 }

 impl<SBP: SbpOperator1d> SbpOperator2d for (&SBP, &Upwind4) {