hi,

I am not sure if this is the right&efficient way but I handle it like that;

boolVar expression;
linear(x1,IRT_LE,x2, expression);

boolVar action;
rel(x2,IRT_EQ,x1+1, action);

boolVar t = true;
bool_imp(expression, action, t); // expr = true implies that action = t

same idea for the else part.
syntax is just for a rough idea, please check for it. hope this helps..


Cheers,
penche

From: kemmar amina <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Subject: [gecode-users] gecode
Date: Sun, 4 Mar 2007 12:31:28 +0100 (CET)

hi,
I want to express a programm JAVA to constraints with GECODE, what are the constrains must be used to express an if_then_else instruction such as :
if(x1>2){x2 = x1 + 1;}
else{
y2 = y1 + 1;
}
thank you.


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