Merge branch 'master' of https://github.com/maxtremblay/sparse-binary-matrix

Author: maxtremblay

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "sparse-bin-mat"
-version = "0.2.1"
+version = "0.2.2"
 authors = ["maxtremblay <maxtremblay>"]
 edition = "2018"
 description = "A sparse implementation of a binary matrix optimized for row operations"

src/matrix/mod.rs

@@ -170,6 +170,11 @@ impl SparseBinMat {
         self.number_of_elements() == 0
     }
 
+    /// Returns true if the all elements of the matrix are 0.
+    pub fn is_zero(&self) -> bool {
+        self.number_of_ones() == 0
+    }
+
     /// Returns the value at the given row and column
     /// or None if one of the index is out of bound.
     ///

src/vector/mod.rs

@@ -197,6 +197,11 @@ impl<T: Deref<Target = [usize]>> SparseBinVecBase<T> {
         self.len() == 0
     }
 
+    /// Returns true of all the element in the vector are 0.
+    pub fn is_zero(&self) -> bool {
+        self.weight() == 0
+    }
+
     /// Returns the value at the given position
     /// or None if the position is out of bound.
     ///