JML

org.jmlspecs.samples.prelimdesign
Class IntMathOps4

java.lang.Object
  extended byorg.jmlspecs.samples.prelimdesign.IntMathOps4

public class IntMathOps4
extends Object


Constructor Summary
IntMathOps4()
           
 
Method Summary
static int isqrt(int y)
          Integer square root function.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

IntMathOps4

public IntMathOps4()
Method Detail

isqrt

public static int isqrt(int y)
Integer square root function.

Parameters:
y - the number to take the root of
Returns:
an integer approximating the positive square root of y

   public normal_behavior
     requires y >= 0;   
     assignable \nothing; 
     ensures 0 <= \result
        && \result * \result <= y
        && ((0 <= (\result + 1) * (\result + 1))
            ==> y < (\result + 1) * (\result + 1));
 

JML

JML is Copyright (C) 1998-2002 by Iowa State University and is distributed under the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This release depends on code from the MultiJava project and is based in part on the Kopi project Copyright (C) 1990-99 DMS Decision Management Systems Ges.m.b.H.