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diff --git a/tests/unit_tests/fgoalattain.dia.ref b/tests/unit_tests/fgoalattain.dia.ref
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+// Copyright (C) 2015 - IIT Bombay - FOSSEE
+//
+// Author: Prajwala TM,Sheetal Shalini
+// Organization: FOSSEE, IIT Bombay
+// Email: toolbox@scilab.in
+//
+// This file must be used under the terms of the CeCILL.
+// This source file is licensed as described in the file COPYING, which
+// you should have received as part of this distribution.  The terms
+// are also available at
+// http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+
+// <-- JVM NOT MANDATORY -->
+// <-- ENGLISH IMPOSED -->
+
+
+//
+// assert_close --
+//   Returns 1 if the two real matrices computed and expected are close,
+//   i.e. if the relative distance between computed and expected is lesser than epsilon.
+// Arguments
+//   computed, expected : the two matrices to compare
+//   epsilon : a small number
+//
+function flag = assert_close ( computed, expected, epsilon )
+  if expected==0.0 then
+    shift = norm(computed-expected);
+  else
+    shift = norm(computed-expected)/norm(expected);
+  end
+//  if shift < epsilon then
+//    flag = 1;
+//  else
+//    flag = 0;
+//  end
+//  if flag <> 1 then pause,end
+    flag = assert_checktrue ( shift < epsilon );
+endfunction
+//
+// assert_equal --
+//   Returns 1 if the two real matrices computed and expected are equal.
+// Arguments
+//   computed, expected : the two matrices to compare
+//   epsilon : a small number
+//
+//function flag = assert_equal ( computed , expected )
+//  if computed==expected then
+//    flag = 1;
+//  else
+//    flag = 0;
+//  end
+//  if flag <> 1 then pause,end
+//endfunction
+
+
+function f1 = fun(x)
+f1(1)=2*x(1)*x(1)+x(2)*x(2)-48*x(1)-40*x(2)+304
+f1(2)=-x(1)*x(1)-3*x(2)*x(2)
+f1(3)=x(1)+3*x(2)-18
+f1(4)=-x(1)-x(2)
+f1(5)=x(1)+x(2)-8
+endfunction
+x0=[-1,1]; 
+goal=[-5,-3,-2,-1,-4];
+weight=abs(goal)
+//xopt  = [-0.0000011 -63.999998 -2.0000002 -8 3.485D-08]
+//fval  = [4 3.99]
+//Run fgoalattain
+[xopt,fval,attainfactor,exitflag,output,lambda]=fgoalattain(fun,x0,goal,weight)
+
+assert_close ( xopt , [ 4 4 ]' , 0.0005 );
+assert_close ( fval , [ -0.0000011 -63.999998 -2.0000002 -8. 0 ]' , 0.0005 );
+assert_checkequal( exitflag , int32(0) );
+printf("Test Successful");