Add regression test for RowVector3 cross product
@@ -7,7 +7,7 @@ use alga::linear::FiniteDimInnerSpace;
use na::{self,
DVector, DMatrix,
Vector1, Vector2, Vector3, Vector4, Vector5, Vector6,
- RowVector4, RowVector5,
+ RowVector3, RowVector4, RowVector5,
Matrix1, Matrix2, Matrix3, Matrix4, Matrix5, Matrix6,
Matrix2x3, Matrix3x2, Matrix3x4, Matrix4x3, Matrix2x4, Matrix4x5, Matrix4x6,
MatrixMN};
@@ -382,6 +382,23 @@ fn simple_product() {
assert_eq!(a * b * c, vec![a, b, c].into_iter().product());
}
+#[test]
+fn cross_product_vector_and_row_vector() {
+ let v1 = Vector3::new(1.0, 2.0, 3.0);
+ let v2 = Vector3::new(1.0, 5.0, 7.0);
+ let column_cross = v1.cross(&v2);
+ assert_eq!(column_cross, Vector3::new(-1.0, -4.0, 3.0));
+
+ let v1 = RowVector3::new(1.0, 2.0, 3.0);
+ let v2 = RowVector3::new(1.0, 5.0, 7.0);
+ let row_cross = v1.cross(&v2);
+ assert_eq!(row_cross, RowVector3::new(-1.0, -4.0, 3.0));
+
+ assert_eq!(
+ Vector3::new(1.0, 1.0, 0.0).cross(&Vector3::new(-0.5, 17.0, 0.0)).transpose(),
+ RowVector3::new(1.0, 1.0, 0.0).cross(&RowVector3::new(-0.5, 17.0, 0.0)));
+}
+
#[test]
fn simple_scalar_conversion() {
let a = Matrix2x3::new(1.0, 2.0, 3.0,
