C++ If loop inside a for loop. Limits -

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I have this code. 

 for  (int j = 0; j and lt; = n; j ++) {xnew2 = j * (y + r2) / n; Ynew2 = PA ((((Y + R2) * (Y + R2) - (XNU2 * Xnew2), 0.5); The court's & lt; & Lt; "\ N (" << Xnew2 <<"<" "<< Ynew2 <; lt; & quot;); }   
 I want to display all the values, but I also want to make a limit on the displayed values ​​to ensure that  does not exceed ynew2  Any radius under 310 or -310 is 482.7mm, which is currently running.  
 How can I do this? I tried to put a  if  inside the loop, but it does not work and whatever I tried gave me only one value. Any help?   
 
 
 Try it out:  
 for  (int j = 0; J & lt; = N + J ++) {Xnew2 = j * (Y + R2) / N; Ynew2 = PA ((((Y + R2) * (Y + R2) - (XNU2 * Xnew2), 0.5); If (stomach (Ynew2)> = 310) cout & lt; & Lt; "\ N (" & lt; & lt; Xnew2 << "," << Ynew2 <"lt; & quot;);"; }   
 We use the  abs  function to get the full value of the  Ynew2  variable, and compare it to 310 . If it is low  
 SidNote: You should avoid using  \ n  and  std :: endl  (or just  endl  if you have a  announcement using the appropriate ).

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