org.jmlspecs.samples.prelimdesign
Class IntMathOps

java.lang.Object
  org.jmlspecs.samples.prelimdesign.IntMathOps

public class IntMathOps

extends Object

Class Specifications

Specifications inherited from class Object

represents objectState <- org.jmlspecs.lang.JMLDataGroup.IT; public represents _getClass <- \typeof(this);

Model Field Summary

 

Model fields inherited from class java.lang.Object

_getClass, objectState, theString

 

Ghost Field Summary

 

Ghost fields inherited from class java.lang.Object

objectTimesFinalized, owner

 

Constructor Summary

IntMathOps()

 

Model Method Summary

 

Model methods inherited from class java.lang.Object

hashValue

 

Method Summary
static int	isqrt(int y)

 

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Constructor Detail

IntMathOps

public IntMathOps()

isqrt

public static int isqrt(int y)

Specifications:

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