Data commit

Task/Matrix-transposition/Rust/matrix-transposition-1.rust

@@ -0,0 +1,48 @@
+struct Matrix {
+    dat: [[i32; 3]; 3]
+}
+
+
+
+impl Matrix {
+    pub fn transpose_m(a: Matrix) -> Matrix
+    {
+        let mut out = Matrix {
+            dat: [[0, 0, 0],
+                  [0, 0, 0],
+                  [0, 0, 0]
+                  ]
+        };
+
+        for i in 0..3{
+            for j in 0..3{
+
+                    out.dat[i][j] = a.dat[j][i];
+            }
+        }
+
+        out
+    }
+
+    pub fn print(self)
+    {
+        for i in 0..3 {
+            for j in 0..3 {
+                print!("{} ", self.dat[i][j]);
+            }
+            print!("\n");
+        }
+    }
+}
+
+fn main()
+{
+    let  a = Matrix {
+        dat: [[1, 2, 3],
+              [4, 5, 6],
+              [7, 8, 9] ]
+    };
+
+let c = Matrix::transpose_m(a);
+    c.print();
+}

Task/Matrix-transposition/Rust/matrix-transposition-2.rust

@@ -0,0 +1,25 @@
+fn main() {
+    let m = vec![vec![1, 2, 3], vec![4, 5, 6]];
+    println!("Matrix:\n{}", matrix_to_string(&m));
+    let t = matrix_transpose(m);
+    println!("Transpose:\n{}", matrix_to_string(&t));
+}
+
+fn matrix_to_string(m: &Vec<Vec<i32>>) -> String {
+    m.iter().fold("".to_string(), |a, r| {
+        a + &r
+            .iter()
+            .fold("".to_string(), |b, e| b + "\t" + &e.to_string())
+            + "\n"
+    })
+}
+
+fn matrix_transpose(m: Vec<Vec<i32>>) -> Vec<Vec<i32>> {
+    let mut t = vec![Vec::with_capacity(m.len()); m[0].len()];
+    for r in m {
+        for i in 0..r.len() {
+            t[i].push(r[i]);
+        }
+    }
+    t
+}