Make kp_solve interface work again.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@40384 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/libs/alm/Area.h

@@ -20,7 +20,7 @@
 #include "Tab.h"
 
 
-#define USE_SCALE_VARIABLE 1
+#define USE_SCALE_VARIABLE 0
 
 
 class Constraint;
@@ -131,7 +131,7 @@ private:
 									BSize& preferred);
 			void				_UpdatePreferredHeightConstraint(
 									BSize& preferred);
-
+			void				_SetupPreferredConstraints();
 private:
 			BLayoutItem*		fLayoutItem;
 

headers/libs/linprog/LinearSpec.h

@@ -72,6 +72,7 @@ public:
 			bool				RemoveVariable(Variable* variable,
 									bool deleteVariable = true);
 			int32				IndexOf(const Variable* variable) const;
+			int32				GlobalIndexOf(const Variable* variable) const;
 			bool				UpdateRange(Variable* variable);
 
 			bool				AddConstraint(Constraint* constraint);
@@ -132,7 +133,8 @@ public:
 			void				GetString(BString& string) const;
 
 	const	ConstraintList&		Constraints() const;
-	const	VariableList&		Variables() const;
+	const	VariableList&		UsedVariables() const;
+	const	VariableList&		AllVariables() const;
 
 protected:
 	friend class Constraint;

headers/libs/linprog/Variable.h

@@ -22,6 +22,7 @@ class Summand;
 class Variable {
 public:
 			int32				Index() const;
+			int32				GlobalIndex() const;
 			LinearSpec*			LS() const;
 			double				Value() const;
 			void				SetValue(double value);