C/C++ example for FORSIN

 

#include "stdafx.h"

#include "DllFunc.h"

 

FORSIN_API void __cdecl motion_usub

           (double time, double upar[], int npar, int iord, int iflag, double* result)

{

           using namespace rd_syscall;

           // Parameter Information

           //   time    :  Simulation time of RD/Solver. (Input)

           //   upar    :  Parameters defined by user. (Input)

           //   npar    :  Number of user parameters. (Input)

           //   iord    :  Integrator order. (Input)

           //   iflag   :  When RD/Solver initializes arrays, the flag is true. (Input)

           //   result  :  Returned value. (Output)

 

           // User Statement

   // Local Variable Definition

 

   double shift, omega;

   double value;

   double coef[3];

   int errflg;

 

   // Assign Impact Parameter

   shift = upar[0];

   omega = upar[1];

   coef[0] = upar[2];

   coef[1] = upar[3];

   coef[2] = upar[4];

 

   // Call the RD_FORSIN to collect Information for Calculation

   rd_forsin(time,shift,omega,coef,3,iord,&value,&errflg);

 

   //return the value

   *result = value;

 

}