Подружить С++ Builder 10.4 и мат. библиотеку exprtk

//---------------------------------------------------------------------------
#ifndef Unit1H
#define Unit1H
//---------------------------------------------------------------------------
#include <System.Classes.hpp>
#include <Vcl.Controls.hpp>
#include <Vcl.StdCtrls.hpp>
#include <Vcl.Forms.hpp>
#include "exprtk.hpp"
//---------------------------------------------------------------------------
class TForm1 : public TForm
{
__published:    // IDE-managed Components
    TButton *Button1;
    void __fastcall Button1Click(TObject *Sender);
private:    // User declarations
public:     // User declarations
    __fastcall TForm1(TComponent* Owner);
};
//---------------------------------------------------------------------------
extern PACKAGE TForm1 *Form1;
//---------------------------------------------------------------------------
template <typename T>
void polynomial()
{
   typedef exprtk::symbol_table<T> symbol_table_t;
   typedef exprtk::expression<T>   expression_t;
   typedef exprtk::parser<T>       parser_t;
 
   const std::string expression_string = "25x^5 - 35x^4 - 15x^3 + 40x^2 - 15x + 1";
 
   T r0 = T(0);
   T r1 = T(1);
   T  x = T(0);
 
   symbol_table_t symbol_table;
   symbol_table.add_variable("x",x);
 
   expression_t expression;
   expression.register_symbol_table(symbol_table);
 
   parser_t parser;
   parser.compile(expression_string,expression);
 
   const T delta = T(1 / 100.0);
 
   for (x = r0; x <= r1; x += delta)
   {
     // printf("%19.15f\t%19.15f\n",x,expression.value());
   }
}
#endif
//---------------------------------------------------------------------------

#include <vcl.h>
#pragma hdrstop
#pragma option push
#pragma option -v- -y-
 
#include "Unit1.h"
 
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
    : TForm(Owner)
{
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button1Click(TObject *Sender)
{
 polynomial<double>();
}
//---------------------------------------------------------------------------