Rand example also prints min/max

Author: thejpster

examples/rand.rs

@@ -1,11 +1,23 @@
+//! Show the output of the random number generator
+
+use core::ffi::c_int;
+
 fn main() {
 	let mut distribution = std::collections::BTreeMap::new();
+	let mut min = c_int::MAX;
+	let mut max = c_int::MIN;
 
 	let mut seedp = 1;
-	for _ in 0..4 {
-		println!(".");
+	for i in 0..40 {
+		println!("{}/40", i);
 		for _ in 0..1_000_000 {
 			let random = unsafe { tinyrlibc::rand_r(&mut seedp) };
+			if random > max {
+				max = random;
+			}
+			if random < min {
+				min = random;
+			}
 			for place in 0..core::ffi::c_int::BITS {
 				let random_bit = (random & (1 << place)) != 0;
 				if random_bit {
@@ -18,7 +30,9 @@ fn main() {
 		}
 	}
 
+	println!("Min value: {min:#10x}");
+	println!("Max value: {max:#10x}");
 	for (k, v) in distribution.iter() {
-		println!("{:02} => {}", k, v);
+		println!("Bit {:02} was set {} times", k, v);
 	}
 }