minor simplification

2022-01-16 14:01:46 +01:00
parent 4758d03dbb
commit 433aaeeb15
1 changed files with 3 additions and 4 deletions
@@ -124,11 +124,10 @@ void lina_transpose(double *A, double *B, int m, int n)

    if(m == 1 || n == 1)
        {
-            memcpy(B, A, sizeof(A[0]) * m * n);
-            return;
+            if(A != B) // Does the copy or the branch cost more?
+                memcpy(B, A, sizeof(A[0]) * m * n);
        }
-
-    if(m == n)
+    else if(m == n)
        {
            for(int i = 0; i < n; i += 1)
                for(int j = 0; j < i+1; j += 1)