// Automatically generated C++ file on Sun Feb  8 16:56:16 2026
//
// To build with Digital Mars C++ Compiler:
//
//    dmc -mn -WD -o arg_test.cpp kernel32.lib

#include <malloc.h>
#include <iostream>
#include <string>
using namespace std;

extern "C" __declspec(dllexport) void (*Display)(const char *format, ...)       = 0; // works like printf()
extern "C" __declspec(dllexport) void (*EXIT)(const char *format, ...)          = 0; // print message like printf() but exit(0) afterward
extern "C" __declspec(dllexport) const double *DegreesC                         = 0; // pointer to current circuit temperature
extern "C" __declspec(dllexport) const int *StepNumber                          = 0; // pointer to current step number
extern "C" __declspec(dllexport) const int *NumberSteps                         = 0; // pointer to estimated number of steps
extern "C" __declspec(dllexport) const char* const *InstanceName                = 0; // pointer to address of instance name
extern "C" __declspec(dllexport) const char *QUX                                = 0; // path to QUX.exe
extern "C" __declspec(dllexport) const bool *ForKeeps                           = 0; // pointer to whether being evaluated non-hypothetically
extern "C" __declspec(dllexport) const bool *HoldICs                            = 0; // pointer to whether instance initial conditions are being held
extern "C" __declspec(dllexport) const void *GUI_HWND                           = 0; // pointer to Window handle of QUX.exe
extern "C" __declspec(dllexport) const double *CKTtime                          = 0;
extern "C" __declspec(dllexport) const double *CKTdelta                         = 0;
extern "C" __declspec(dllexport) const int *IntegrationOrder                    = 0;
extern "C" __declspec(dllexport) const char *InstallDirectory                   = 0;
extern "C" __declspec(dllexport) double (*EngAtof)(const char **string)         = 0;
extern "C" __declspec(dllexport) const char *(*BinaryFormat)(unsigned int data)                          = 0; // BinaryFormat(0x1C) returns "0b00011100"
extern "C" __declspec(dllexport) const char *(*EngFormat   )(double x, const char *units, int numDgts)   = 0; // EngFormat(1e-6, "s", 6) returns "1µs"
extern "C" __declspec(dllexport) int (*DFFT)(struct sComplex *u, bool inv, unsigned int N, double scale) = 0; // Discrete Fast Fourier Transform
extern "C" __declspec(dllexport) void (*bzero)(void *ptr, unsigned int count)   = 0;

union uData
{
   bool b;
   char c;
   unsigned char uc;
   short s;
   unsigned short us;
   int i;
   unsigned int ui;
   float f;
   double d;
   long long int i64;
   unsigned long long int ui64;
   char *str;
   unsigned char *bytes;
};

// int DllMain() must exist and return 1 for a process to load the .DLL
// See https://docs.microsoft.com/en-us/windows/win32/dlls/dllmain for more information.
int __stdcall DllMain(void *module, unsigned int reason, void *reserved) { return 1; }

// #undef pin names lest they collide with names in any header file(s) you might include.
#undef out

struct sARG_TEST
{
  // declare the structure here
};

extern "C" __declspec(dllexport) void arg_test(struct sARG_TEST **opaque, double t, union uData *data)
{
   const char * str = data[0].str; // input parameter
   double      &out = data[1].d  ; // output

   string newfn(*InstanceName);
   newfn.append(str);

   if(!*opaque)
   {

      *opaque = (struct sARG_TEST *) malloc(sizeof(struct sARG_TEST));
      bzero(*opaque, sizeof(struct sARG_TEST));
   }
   struct sARG_TEST *inst = *opaque;

// Implement module evaluation code here:

   Display("%s t=%f CKTdelta=%f step=%d  pc=%d  str=%s\n", newfn.c_str(), t, *CKTdelta, *StepNumber, (*StepNumber)*100/(*NumberSteps), str);
   out = *StepNumber;
}

extern "C" __declspec(dllexport) double MaxExtStepSize(struct sARG_TEST *inst, double t)
{
   return 1e308; // implement a good choice of max timestep size that depends on struct sARG_TEST
}

extern "C" __declspec(dllexport) void Destroy(struct sARG_TEST *inst)
{
   free(inst);
}