renamed bhaskara to quadratic_roots

Author: fabiosvm

examples/bhaskara.hk examples/quadratic_roots.hkexamples/bhaskara.hk renamed to examples/quadratic_roots.hk

@@ -1,10 +1,10 @@
 //
-// bhaskara.hk
+// quadratic_roots.hk
 //
 
 import { sqrt } from math;
 
-fn bhaskara(a, b, c) {
+fn quadratic_roots(a, b, c) {
   let d = b * b - 4 * a * c;
   if (d < 0)
     return nil;
@@ -14,4 +14,4 @@ fn bhaskara(a, b, c) {
   return [x1, x2];
 }
 
-println(bhaskara(1, 3, 2));
+println(quadratic_roots(1, 3, 2));