From 103697fbdd1fb360e667f92ed2c9d50b63aec350 Mon Sep 17 00:00:00 2001
From: Quaternions <krakow20@gmail.com>
Date: Wed, 4 Sep 2024 13:55:11 -0700
Subject: [PATCH] matrix: test det + adjugate
---
fixed_wide_vectors/src/tests/fixed_wide.rs | 31 ++++++++++++++++++++++
1 file changed, 31 insertions(+)
diff --git a/fixed_wide_vectors/src/tests/fixed_wide.rs b/fixed_wide_vectors/src/tests/fixed_wide.rs
index e382ffa19..1f87fb074 100644
--- a/fixed_wide_vectors/src/tests/fixed_wide.rs
+++ b/fixed_wide_vectors/src/tests/fixed_wide.rs
@@ -61,3 +61,34 @@ fn wide_matrix_dot(){
])
);
}
+
+#[test]
+fn wide_matrix_det(){
+ let m=Matrix3::from([
+ Vector3::from([Planar64::from(1),Planar64::from(2),Planar64::from(3)]),
+ Vector3::from([Planar64::from(4),Planar64::from(5),Planar64::from(7)]),
+ Vector3::from([Planar64::from(6),Planar64::from(8),Planar64::from(9)]),
+ ]);
+ // In[2]:= Det[{{1, 2, 3}, {4, 5, 7}, {6, 8, 9}}]
+ // Out[2]= 7
+ assert_eq!(m.wide_det_3x3_1(),fixed_wide::fixed::Fixed::<3,96>::from(7));
+}
+
+#[test]
+fn wide_matrix_adjugate(){
+ let m=Matrix3::from([
+ Vector3::from([Planar64::from(1),Planar64::from(2),Planar64::from(3)]),
+ Vector3::from([Planar64::from(4),Planar64::from(5),Planar64::from(7)]),
+ Vector3::from([Planar64::from(6),Planar64::from(8),Planar64::from(9)]),
+ ]);
+ // In[6]:= Adjugate[{{1, 2, 3}, {4, 5, 7}, {6, 8, 9}}]
+ // Out[6]= {{-11, 6, -1}, {6, -9, 5}, {2, 4, -3}}
+ assert_eq!(
+ m.wide_adjugate_3x3_1(),
+ Matrix3::from([
+ Vector3::from([Planar64Wide1::from(-11),Planar64Wide1::from(6),Planar64Wide1::from(-1)]),
+ Vector3::from([Planar64Wide1::from(6),Planar64Wide1::from(-9),Planar64Wide1::from(5)]),
+ Vector3::from([Planar64Wide1::from(2),Planar64Wide1::from(4),Planar64Wide1::from(-3)]),
+ ])
+ );
+}