--- /dev/null
+#include <CPnts_MyRootFunction.ixx>
+
+#include <Standard_DomainError.hxx>
+#include <math_GaussSingleIntegration.hxx>
+
+
+
+void CPnts_MyRootFunction::Init(const CPnts_RealFunction& F,
+ const Standard_Address D,
+ const Standard_Integer Order)
+{
+ myFunction.Init(F,D);
+ myOrder = Order;
+}
+
+void CPnts_MyRootFunction::Init(const Standard_Real X0,
+ const Standard_Real L)
+{
+ myX0 = X0;
+ myL = L;
+ myTol = -1; //to supress the tolerance
+}
+
+void CPnts_MyRootFunction::Init(const Standard_Real X0,
+ const Standard_Real L,
+ const Standard_Real Tol)
+{
+ myX0 = X0;
+ myL = L;
+ myTol = Tol;
+}
+
+Standard_Boolean CPnts_MyRootFunction::Value(const Standard_Real X,
+ Standard_Real& F)
+{
+ math_GaussSingleIntegration Length;
+
+ if (myTol <= 0) Length = math_GaussSingleIntegration(myFunction, myX0, X, myOrder);
+ else Length = math_GaussSingleIntegration(myFunction, myX0, X, myOrder, myTol);
+
+ if (Length.IsDone()){
+ F= Length.Value() - myL;
+ return Standard_True;
+ }
+ else {
+ return Standard_False;
+ }
+}
+
+Standard_Boolean CPnts_MyRootFunction::Derivative(const Standard_Real X,
+ Standard_Real& Df)
+{
+ return myFunction.Value(X,Df);
+}
+
+Standard_Boolean CPnts_MyRootFunction::Values(const Standard_Real X,
+ Standard_Real& F,
+ Standard_Real& Df)
+{
+ math_GaussSingleIntegration Length;
+
+ if (myTol <= 0) Length = math_GaussSingleIntegration(myFunction, myX0, X, myOrder);
+ else Length = math_GaussSingleIntegration(myFunction, myX0, X, myOrder, myTol);
+
+ if (Length.IsDone()){
+ F= Length.Value() - myL;
+ return myFunction.Value(X,Df);
+ }
+ else {
+ return Standard_False;
+ }
+}