Merge pull request #240 from rust-ndarray/bug-228

Add test for solve-factorized

Author: termoshtt

ndarray-linalg/tests/solve.rs

@@ -19,6 +19,26 @@ fn solve_random_t() {
     assert_close_l2!(&x, &y, 1e-7);
 }
 
+#[test]
+fn solve_factorized() {
+    let a: Array2<f64> = random((3, 3));
+    let ans: Array1<f64> = random(3);
+    let b = a.dot(&ans);
+    let f = a.factorize_into().unwrap();
+    let x = f.solve_into(b).unwrap();
+    assert_close_l2!(&x, &ans, 1e-7);
+}
+
+#[test]
+fn solve_factorized_t() {
+    let a: Array2<f64> = random((3, 3).f());
+    let ans: Array1<f64> = random(3);
+    let b = a.dot(&ans);
+    let f = a.factorize_into().unwrap();
+    let x = f.solve_into(b).unwrap();
+    assert_close_l2!(&x, &ans, 1e-7);
+}
+
 #[test]
 fn rcond() {
     macro_rules! rcond {