#include "stdafx.h"

#include "DllFunc.h"

#include <stdio.h>

Get_rflex_modeid_API void __cdecl modal_force

           (int id, double time, double upar[], int npar, int ifbody, double pos[12],

           double vel[6], double acc[6], int nmode, int nnode, int nModalLoad, double *ModalLoads,

           int jflag, int iflag, double *result)

{

           using namespace rd_syscall;

           // Parameter Information

           //     id: MFORCE ID (Input)

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

           //   upar: Parameters defined by user (Input)

           //   npar: Number of user parameters (Input)

           //   ifbody : RFLEX body seq ID (Input)

           //   pos : Position(1~3) and Orientation matrix (4~12) w.r.t Ground.InertiaMarker (Input)

           //   vel : Velocity vector w.r.t. Ground.InertiaMarker (Input)

           //   acc : Acceleration vector w.r.t Ground.InertiaMarker (Input)

           //   nmode : No of selected mode (Input)

           //   nnode : No of node (Input)

           //   nModalLoad : No of selected modal load cases (Input)

           //   ModalLoads : Modal-force vector (Input, size : [(6+nmode) x nModalLoad] )

           //   jflag: When RD/Solver evaluates a Jacobian, the flag is true. (Input)

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

           //   result: Returned modal froce vector (Output, Size : [6+nmode] )

           int i,j,ierr;

           double eigen;

           double frq;

           int *SelectedModeIds;

           FILE* ForDebug;

           if(iflag)

           {

                     ForDebug=fopen("CprogramDebug.txt","w");

                     fprintf(ForDebug,"*** C program \n");

                     // RFLEX Information

                     fprintf(ForDebug,"*** RFLEX Information\n");

                     fprintf(ForDebug,"    RFLEX body seq. Id = %d\n",ifbody);

                     fprintf(ForDebug,"    No. selected mode = %d\n",nmode);

                     fprintf(ForDebug,"    No. Modal Load Case = %d\n",nModalLoad);

                     fprintf(ForDebug,"    No. Node(Grid) = %d\n",nnode);

                     fprintf(ForDebug,"    No. User Parameter (USUB) = %d\n",npar);

                     fprintf(ForDebug,"\n\n");

// selected mode information

                     SelectedModeIds = new int[nmode];

fprintf(ForDebug,"*** Selected mode ids\n   ");

                     get_rflex_modeid(ifbody,SelectedModeIds,&ierr);

                     for(i=0;i<nmode;i++)

                     {

                                fprintf(ForDebug," %d ",SelectedModeIds[i]);

                     }

                     fprintf(ForDebug,"\n\n");

                     // Eigenvalues & Frequency

                     fprintf(ForDebug,"*** Eigenvalues and Frequency\n");

                     for(i=0;i<nmode;i++)

                     {

                                get_rflex_frq(ifbody,SelectedModeIds[i],&frq,&eigen,&ierr);

                                fprintf(ForDebug,"    Mode ID : %d, Eigenvalue : %20.10e,

requency : %20.10e\n",SelectedModeIds[i],eigen,frq);

                     }

                     fprintf(ForDebug,"\n\n");

                     fclose(ForDebug);

           }

           for(i=0;i<6+nmode;i++)

           {

                     result[i] = 0.0;

           }

}