Update spmv.c: solve segmentation fault when m and n are larger than 50000

2020-03-11 10:30:09 +08:00 · 2020-03-11 10:30:09 +08:00 · 2f4c5bb3a9
parent 08e1d8cbae
commit 2f4c5bb3a9
1 changed files with 1 additions and 1 deletions
--- a/benchmark/spmv.c
+++ b/benchmark/spmv.c
@ -178,7 +178,7 @@ int main(int argc, char *argv[]){

   for(j = 0; j < m; j++){
      		for(i = 0; i < m * COMPSIZE; i++){
-			a[i + j * m * COMPSIZE] = ((FLOAT) rand() / (FLOAT) RAND_MAX) - 0.5;
+			a[(long)i + (long)j * (long)m * COMPSIZE] = ((FLOAT) rand() / (FLOAT) RAND_MAX) - 0.5;
      		}
   }