Android Open Source - CalWatch Cl Linear Equation

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License

The source code is released under:

GNU General Public License

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Java Source Code

// $Id: ClLinearEquation.java,v 1.11 1999/04/20 00:26:31 gjb Exp $
////from   www .  j av a2  s . c  om
// Cassowary Incremental Constraint Solver
// Original Smalltalk Implementation by Alan Borning
// This Java Implementation by Greg J. Badros, <gjb@cs.washington.edu>
// http://www.cs.washington.edu/homes/gjb
// (C) 1998, 1999 Greg J. Badros and Alan Borning
// See ../LICENSE for legal details regarding this software
//
// ClLinearEquation
//

package EDU.Washington.grad.gjb.cassowary;

public class ClLinearEquation extends ClLinearConstraint
{
  public ClLinearEquation(ClLinearExpression cle,
        ClStrength strength,
        double weight)
  { super(cle, strength, weight); }

  public ClLinearEquation(ClLinearExpression cle,
        ClStrength strength)
  { super(cle, strength); }

  public ClLinearEquation(ClLinearExpression cle)
  { super(cle); }


  public ClLinearEquation(ClAbstractVariable clv,
        ClLinearExpression cle,
        ClStrength strength,
        double weight)
  { 
    super(cle, strength, weight); 
    _expression.addVariable(clv,-1.0);
  }

  public ClLinearEquation(ClAbstractVariable clv,
        ClLinearExpression cle,
        ClStrength strength)
  { 
    this(clv,cle,strength,1.0);
  }

  public ClLinearEquation(ClAbstractVariable clv,
        ClLinearExpression cle)
  { 
    this(clv,cle,ClStrength.required,1.0);
  }

  public ClLinearEquation(ClAbstractVariable clv,
        double val,
        ClStrength strength,
        double weight)
  { 
    super(new ClLinearExpression(val), strength, weight); 
    _expression.addVariable(clv,-1.0);
  }

  public ClLinearEquation(ClAbstractVariable clv,
        double val,
        ClStrength strength)
  { 
    this(clv,val,strength,1.0);
  }

  public ClLinearEquation(ClAbstractVariable clv,
        double val)
  { 
    this(clv,val,ClStrength.required,1.0);
  }

  public ClLinearEquation(ClLinearExpression cle,
        ClAbstractVariable clv,
        ClStrength strength,
        double weight)
  { 
    super(((ClLinearExpression) cle.clone()), strength, weight); 
    _expression.addVariable(clv,-1.0);
  }

  public ClLinearEquation(ClLinearExpression cle,
        ClAbstractVariable clv,
        ClStrength strength)
  { 
    this(cle,clv,strength,1.0);
  }


  public ClLinearEquation(ClLinearExpression cle,
        ClAbstractVariable clv)
  { 
    this(cle,clv,ClStrength.required,1.0);
  }

  public ClLinearEquation(ClLinearExpression cle1,
        ClLinearExpression cle2,
        ClStrength strength,
        double weight)
  { 
    super(((ClLinearExpression) cle1.clone()), strength, weight); 
    _expression.addExpression(cle2,-1.0);
  }

  public ClLinearEquation(ClLinearExpression cle1,
        ClLinearExpression cle2,
        ClStrength strength)
  { 
    this(cle1,cle2,strength,1.0);
  }

  public ClLinearEquation(ClLinearExpression cle1,
        ClLinearExpression cle2)
  { 
    this(cle1,cle2,ClStrength.required,1.0);
  }
  
  public String toString()
  { return super.toString() + " = 0 )"; }
}

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