Fix is_empty method logic in matrix.rs

Mec-iS · web-flow · commit c451cf161d34 · 2025-11-14T09:47:11.000Z
diff --git a/src/linalg/basic/matrix.rs b/src/linalg/basic/matrix.rs
@@ -385,7 +385,7 @@ impl<T: Debug + Display + Copy + Sized> Array<T, (usize, usize)> for DenseMatrix
     }
 
     fn is_empty(&self) -> bool {
-        self.ncols > 0 && self.nrows > 0
+        self.ncols < 1 || self.nrows < 1
     }
 
     fn iterator<'b>(&'b self, axis: u8) -> Box<dyn Iterator<Item = &'b T> + 'b> {

Original file line number	Diff line number	Diff line change
`@@ -385,7 +385,7 @@ impl<T: Debug + Display + Copy + Sized> Array<T, (usize, usize)> for DenseMatrix`
`385`	`385`	`}`
`386`	`386`
`387`	`387`	`fn is_empty(&self) -> bool {`
`388`		`- self.ncols > 0 && self.nrows > 0`
	`388`	`+ self.ncols < 1 \|\| self.nrows < 1`
`389`	`389`	`}`
`390`	`390`
`391`	`391`	`fn iterator<'b>(&'b self, axis: u8) -> Box<dyn Iterator<Item = &'b T> + 'b> {`