fixed_wide/src/tests.rs

@@ -20,6 +20,11 @@ fn test_sqrt(){
 	assert_eq!(a.sqrt(),I32F32::from(2));
 }
 #[test]
+fn test_sqrt_zero(){
+	let a=I32F32::ZERO;
+	assert_eq!(a.sqrt(),I32F32::ZERO);
+}
+#[test]
 fn test_sqrt_low(){
 	let a=I32F32::HALF;
 	let b=a*a;