153 function Constraint(strength) {  argument
154   this.strength = strength;
175     if (this.strength == Strength.REQUIRED)
212 function UnaryConstraint(v, strength) {  argument
213   UnaryConstraint.superConstructor.call(this, strength);
235     && Strength.stronger(this.strength, this.myOutput.walkStrength);
262   this.myOutput.walkStrength = this.strength;
341 function BinaryConstraint(var1, var2, strength) {  argument
342   BinaryConstraint.superConstructor.call(this, strength);
358 …  this.direction = (this.v2.mark != mark && Strength.stronger(this.strength, this.v2.walkStrength))
363 …  this.direction = (this.v1.mark != mark && Strength.stronger(this.strength, this.v1.walkStrength))
368     this.direction = Strength.stronger(this.strength, this.v1.walkStrength)
372     this.direction = Strength.stronger(this.strength, this.v2.walkStrength)
422   out.walkStrength = Strength.weakestOf(this.strength, ihn.walkStrength);
455 function ScaleConstraint(src, scale, offset, dest, strength) {  argument
459   ScaleConstraint.superConstructor.call(this, src, dest, strength);
502   out.walkStrength = Strength.weakestOf(this.strength, ihn.walkStrength);
514 function EqualityConstraint(var1, var2, strength) {  argument
515   EqualityConstraint.superConstructor.call(this, var1, var2, strength);
611   var strength = Strength.REQUIRED;
615       if (u.strength == strength)
618     strength = strength.nextWeaker();
619   } while (strength != Strength.WEAKEST);