diff --git a/basic_parameters.c b/basic_parameters.c
--- a/basic_parameters.c
+++ b/basic_parameters.c
@@ -501,21 +501,23 @@ float sqrt_ple( float x )
 {
     float y;
 
-    y = 0;
+//    y = 0;
 
-    if ( x < 0)
-    {
-        printf("sqrt(<0)\n");
-    }
-    else
-    {
-        y = sqrt( x );
-    }
+//    if ( x < 0)
+//    {
+//        printf("sqrt(<0)\n");
+//    }
+//    else
+//    {
+//        y = sqrt( x );
+//    }
 
-    if ( y  == 0 )
-    {
-        y = 1e-9;
-    }
+//    if ( y  == 0 )
+//    {
+//        y = 1e-9;
+//    }
+
+    y = sqrt( x );
 
     return y;
 }