1 files changed, 16 insertions, 19 deletions

diff --git a/misc/examples/algorithms/random.c b/misc/examples/algorithms/random.c
index 9522c16d..e457d329 100644
--- a/misc/examples/algorithms/random.c
+++ b/misc/examples/algorithms/random.c
@@ -4,42 +4,39 @@
 
 int main(void)
 {
-    const long long N = 10000000;
-    const uint64_t seed = (uint64_t)time(NULL), range = 1000000;
+    const long long N = 10000000, range = 1000000;
+    const uint64_t seed = (uint64_t)time(NULL);
     crand_t rng = crand_init(seed);
-
-    long long sum;
-    clock_t diff, before;
+    clock_t t;
 
     printf("Compare speed of full and unbiased ranged random numbers...\n");
-    sum = 0;
-    before = clock();
+    long long sum = 0;
+    t = clock();
     c_forrange (N)  {
-        sum += (uint32_t)crand_u64(&rng);
+        sum += (int32_t)crand_u64(&rng);
     }
-    diff = clock() - before;
+    t = clock() - t;
     printf("full range\t\t: %f secs, %lld, avg: %f\n",
-           (double)diff/(double)CLOCKS_PER_SEC, N, (double)(sum/N));
+           (double)t/CLOCKS_PER_SEC, N, (double)(sum/N));
 
     crand_uniform_t dist1 = crand_uniform_init(0, range);
     rng = crand_init(seed);
     sum = 0;
-    before = clock();
+    t = clock();
     c_forrange (N)  {
         sum += crand_uniform(&rng, &dist1); // unbiased
     }
-    diff = clock() - before;
+    t = clock() - t;
     printf("unbiased 0-%lld\t: %f secs, %lld, avg: %f\n",
-            (long long)range, (double)diff/CLOCKS_PER_SEC, N, (double)(sum/N));
+           range, (double)t/CLOCKS_PER_SEC, N, (double)(sum/N));
 
     sum = 0;
     rng = crand_init(seed);
-    before = clock();
+    t = clock();
     c_forrange (N)  {
-        sum += (int64_t)(crand_u64(&rng) % (range + 1)); // biased
+        sum += (int32_t)crand_u64(&rng) % (range + 1); // biased
     }
-    diff = clock() - before;
-    printf("biased 0-%" PRIu64 "  \t: %f secs, %lld, avg: %f\n",
-            (long long)range, (double)diff/CLOCKS_PER_SEC, N, (double)(sum/N));
-
+    t = clock() - t;
+    printf("biased 0-%lld  \t: %f secs, %lld, avg: %f\n",
+           range, (double)t/CLOCKS_PER_SEC, N, (double)(sum/N));
 }