Identity matrix: Difference between revisions

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@@ Line 645: / Line 645: @@
       exit(EXIT_FAILURE);
    }
-   signed int rowsize = atoi(argv[1]);
+   int rowsize = atoi(argv[1]);
    if (rowsize < 0) {
       printf("Dimensions of matrix cannot be negative\n");
       exit(EXIT_FAILURE);
    }
-   volatile int numElements = rowsize * rowsize;
+   int numElements = rowsize * rowsize;
    if (numElements < rowsize) {
       printf("Squaring %d caused result to overflow to %d.\n", rowsize, numElements);
@@ Line 657: / Line 657: @@
    int** matrix = calloc(numElements, sizeof(int*));
    if (!matrix) {
-      printf("Failed to allocate %d elements of %d bytes each\n", numElements, sizeof(int*));
+      printf("Failed to allocate %d elements of %ld bytes each\n", numElements, sizeof(int*));
       abort();
    }
@@ Line 663: / Line 663: @@
       matrix[row] = calloc(numElements, sizeof(int));
       if (!matrix[row]) {
-         printf("Failed to allocate %d elements of %d bytes each\n", numElements, sizeof(int));
+         printf("Failed to allocate %d elements of %ld bytes each\n", numElements, sizeof(int));
          abort();
       }