xref: /freebsd/contrib/cortex-strings/benchmarks/dhry/dhry_1.c (revision 09a53ad8)

/*
 *************************************************************************
 *
 *                   "DHRYSTONE" Benchmark Program
 *                   -----------------------------
 *
 *  Version:    C, Version 2.1
 *
 *  File:       dhry_1.c (part 2 of 3)
 *
 *  Date:       May 25, 1988
 *
 *  Author:     Reinhold P. Weicker
 *
 *************************************************************************
 */

 #include <time.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include "dhry.h"
 /*COMPILER COMPILER COMPILER COMPILER COMPILER COMPILER COMPILER*/

 #ifdef COW
    #define compiler  "Watcom C/C++ 10.5 Win386"
    #define options   "  -otexan -zp8 -5r -ms"
 #endif
 #ifdef CNW
    #define compiler  "Watcom C/C++ 10.5 Win386"
    #define options   "   No optimisation"
 #endif
 #ifdef COD
    #define compiler  "Watcom C/C++ 10.5 Dos4GW"
    #define options   "  -otexan -zp8 -5r -ms"
 #endif
 #ifdef CND
    #define compiler  "Watcom C/C++ 10.5 Dos4GW"
    #define options   "   No optimisation"
 #endif
 #ifdef CONT
    #define compiler  "Watcom C/C++ 10.5 Win32NT"
    #define options   "  -otexan -zp8 -5r -ms"
 #endif
 #ifdef CNNT
    #define compiler  "Watcom C/C++ 10.5 Win32NT"
    #define options   "   No optimisation"
 #endif
 #ifdef COO2
    #define compiler  "Watcom C/C++ 10.5 OS/2-32"
    #define options   "  -otexan -zp8 -5r -ms"
 #endif
 #ifdef CNO2
    #define compiler  "Watcom C/C++ 10.5 OS/2-32"
    #define options   "   No optimisation"
 #endif


/* Global Variables: */

Rec_Pointer     Ptr_Glob,
                 Next_Ptr_Glob;
int             Int_Glob;
 Boolean         Bool_Glob;
 char            Ch_1_Glob,
                 Ch_2_Glob;
 int             Arr_1_Glob [50];
 int             Arr_2_Glob [50] [50];
 int             getinput = 1;


 char Reg_Define[100] = "Register option      Selected.";

 Enumeration Func_1 (Capital_Letter Ch_1_Par_Val,
                                           Capital_Letter Ch_2_Par_Val);
   /*
   forward declaration necessary since Enumeration may not simply be int
   */

 #ifndef ROPT
 #define REG
         /* REG becomes defined as empty */
         /* i.e. no register variables   */
 #else
 #define REG register
 #endif

 void Proc_1 (REG Rec_Pointer Ptr_Val_Par);
 void Proc_2 (One_Fifty *Int_Par_Ref);
 void Proc_3 (Rec_Pointer *Ptr_Ref_Par);
 void Proc_4 ();
 void Proc_5 ();
 void Proc_6 (Enumeration Enum_Val_Par, Enumeration *Enum_Ref_Par);
 void Proc_7 (One_Fifty Int_1_Par_Val, One_Fifty Int_2_Par_Val,
                                              One_Fifty *Int_Par_Ref);
 void Proc_8 (Arr_1_Dim Arr_1_Par_Ref, Arr_2_Dim Arr_2_Par_Ref,
                               int Int_1_Par_Val, int Int_2_Par_Val);

 Boolean Func_2 (Str_30 Str_1_Par_Ref, Str_30 Str_2_Par_Ref);


 /* variables for time measurement: */

 #define Too_Small_Time 2
                 /* Measurements should last at least 2 seconds */

 double          Begin_Time,
                 End_Time,
                 User_Time;

 double          Microseconds,
                 Dhrystones_Per_Second,
                 Vax_Mips;

 /* end of variables for time measurement */


 void main (int argc, char *argv[])
 /*****/

   /* main program, corresponds to procedures        */
   /* Main and Proc_0 in the Ada version             */
 {
   double   dtime();

         One_Fifty   Int_1_Loc;
   REG   One_Fifty   Int_2_Loc;
         One_Fifty   Int_3_Loc;
   REG   char        Ch_Index;
         Enumeration Enum_Loc;
         Str_30      Str_1_Loc;
         Str_30      Str_2_Loc;
   REG   int         Run_Index;
   REG   int         Number_Of_Runs;
         int         endit, count = 10;
         FILE        *Ap;
         char        general[9][80] = {" "};

   /* Initializations */
    if (argc > 1)
     {
        switch (argv[1][0])
         {
             case 'N':
                getinput = 0;
                break;
             case 'n':
                getinput = 0;
                break;
         }
      }

   if ((Ap = fopen("Dhry.txt","a+")) == NULL)
     {
        printf("Can not open Dhry.txt\n\n");
        printf("Press any key\n");
        exit(1);
     }

/***********************************************************************
 *         Change for compiler and optimisation used                   *
 ***********************************************************************/

   Next_Ptr_Glob = (Rec_Pointer) malloc (sizeof (Rec_Type));
   Ptr_Glob = (Rec_Pointer) malloc (sizeof (Rec_Type));

   Ptr_Glob->Ptr_Comp                    = Next_Ptr_Glob;
   Ptr_Glob->Discr                       = Ident_1;
   Ptr_Glob->variant.var_1.Enum_Comp     = Ident_3;
   Ptr_Glob->variant.var_1.Int_Comp      = 40;
   strcpy (Ptr_Glob->variant.var_1.Str_Comp,
           "DHRYSTONE PROGRAM, SOME STRING");
   strcpy (Str_1_Loc, "DHRYSTONE PROGRAM, 1'ST STRING");

   Arr_2_Glob [8][7] = 10;
         /* Was missing in published program. Without this statement,   */
         /* Arr_2_Glob [8][7] would have an undefined value.            */
         /* Warning: With 16-Bit processors and Number_Of_Runs > 32000, */
         /* overflow may occur for this array element.                  */

   printf ("\n");
   printf ("Dhrystone Benchmark, Version 2.1 (Language: C or C++)\n");
   printf ("\n");

   if (getinput == 0)
    {
        printf ("No run time input data\n\n");
    }
   else
    {
         printf ("With run time input data\n\n");
    }

   printf ("Compiler        %s\n", compiler);
   printf ("Optimisation    %s\n", options);
   #ifdef ROPT
       printf ("Register option selected\n\n");
   #else
       printf ("Register option not selected\n\n");
       strcpy(Reg_Define, "Register option      Not selected.");
   #endif

 /*
   if (Reg)
   {
     printf ("Program compiled with 'register' attribute\n");
     printf ("\n");
   }
   else
   {
     printf ("Program compiled without 'register' attribute\n");
     printf ("\n");
   }

   printf ("Please give the number of runs through the benchmark: ");
   {
     int n;
     scanf ("%d", &n);
     Number_Of_Runs = n;
   }
   printf ("\n");
   printf ("Execution starts, %d runs through Dhrystone\n",
                                                 Number_Of_Runs);
 */

   Number_Of_Runs = 5000;

   do
     {

       Number_Of_Runs = Number_Of_Runs * 2;
       count = count - 1;
       Arr_2_Glob [8][7] = 10;

       /***************/
       /* Start timer */
       /***************/

       Begin_Time = dtime();

       for (Run_Index = 1; Run_Index <= Number_Of_Runs; ++Run_Index)
       {

         Proc_5();
         Proc_4();
           /* Ch_1_Glob == 'A', Ch_2_Glob == 'B', Bool_Glob == true */
         Int_1_Loc = 2;
         Int_2_Loc = 3;
         strcpy (Str_2_Loc, "DHRYSTONE PROGRAM, 2'ND STRING");
         Enum_Loc = Ident_2;
         Bool_Glob = ! Func_2 (Str_1_Loc, Str_2_Loc);
           /* Bool_Glob == 1 */
         while (Int_1_Loc < Int_2_Loc)  /* loop body executed once */
         {
           Int_3_Loc = 5 * Int_1_Loc - Int_2_Loc;
             /* Int_3_Loc == 7 */
           Proc_7 (Int_1_Loc, Int_2_Loc, &Int_3_Loc);
             /* Int_3_Loc == 7 */
           Int_1_Loc += 1;
         }   /* while */
            /* Int_1_Loc == 3, Int_2_Loc == 3, Int_3_Loc == 7 */
         Proc_8 (Arr_1_Glob, Arr_2_Glob, Int_1_Loc, Int_3_Loc);
           /* Int_Glob == 5 */
         Proc_1 (Ptr_Glob);
         for (Ch_Index = 'A'; Ch_Index <= Ch_2_Glob; ++Ch_Index)
                              /* loop body executed twice */
         {
           if (Enum_Loc == Func_1 (Ch_Index, 'C'))
               /* then, not executed */
             {
               Proc_6 (Ident_1, &Enum_Loc);
               strcpy (Str_2_Loc, "DHRYSTONE PROGRAM, 3'RD STRING");
               Int_2_Loc = Run_Index;
               Int_Glob = Run_Index;
             }
         }
           /* Int_1_Loc == 3, Int_2_Loc == 3, Int_3_Loc == 7 */
         Int_2_Loc = Int_2_Loc * Int_1_Loc;
         Int_1_Loc = Int_2_Loc / Int_3_Loc;
         Int_2_Loc = 7 * (Int_2_Loc - Int_3_Loc) - Int_1_Loc;
           /* Int_1_Loc == 1, Int_2_Loc == 13, Int_3_Loc == 7 */
         Proc_2 (&Int_1_Loc);
           /* Int_1_Loc == 5 */

       }   /* loop "for Run_Index" */

       /**************/
       /* Stop timer */
       /**************/

       End_Time = dtime();
       User_Time = End_Time - Begin_Time;

       printf ("%12.0f runs %6.2f seconds \n",(double) Number_Of_Runs, User_Time);
       if (User_Time > 5)
         {
             count = 0;
         }
       else
         {
             if (User_Time < 0.1)
               {
                  Number_Of_Runs = Number_Of_Runs * 5;
               }
         }
     }   /* calibrate/run do while */
   while (count >0);

   printf ("\n");
   printf ("Final values (* implementation-dependent):\n");
   printf ("\n");
   printf ("Int_Glob:      ");
   if (Int_Glob == 5)  printf ("O.K.  ");
   else                printf ("WRONG ");
   printf ("%d  ", Int_Glob);

   printf ("Bool_Glob:     ");
   if (Bool_Glob == 1) printf ("O.K.  ");
   else                printf ("WRONG ");
   printf ("%d\n", Bool_Glob);

   printf ("Ch_1_Glob:     ");
   if (Ch_1_Glob == 'A')  printf ("O.K.  ");
   else                   printf ("WRONG ");
   printf ("%c  ", Ch_1_Glob);

   printf ("Ch_2_Glob:     ");
   if (Ch_2_Glob == 'B')  printf ("O.K.  ");
   else                   printf ("WRONG ");
   printf ("%c\n",  Ch_2_Glob);

   printf ("Arr_1_Glob[8]: ");
   if (Arr_1_Glob[8] == 7)  printf ("O.K.  ");
   else                     printf ("WRONG ");
   printf ("%d  ", Arr_1_Glob[8]);

   printf ("Arr_2_Glob8/7: ");
   if (Arr_2_Glob[8][7] == Number_Of_Runs + 10)
                          printf ("O.K.  ");
   else                   printf ("WRONG ");
   printf ("%10d\n", Arr_2_Glob[8][7]);

   printf ("Ptr_Glob->            ");
   printf ("  Ptr_Comp:       *    %d\n", (int) Ptr_Glob->Ptr_Comp);

   printf ("  Discr:       ");
   if (Ptr_Glob->Discr == 0)  printf ("O.K.  ");
   else                       printf ("WRONG ");
   printf ("%d  ", Ptr_Glob->Discr);

   printf ("Enum_Comp:     ");
   if (Ptr_Glob->variant.var_1.Enum_Comp == 2)
                        printf ("O.K.  ");
   else                printf ("WRONG ");
   printf ("%d\n", Ptr_Glob->variant.var_1.Enum_Comp);

   printf ("  Int_Comp:    ");
   if (Ptr_Glob->variant.var_1.Int_Comp == 17)  printf ("O.K.  ");
   else                                         printf ("WRONG ");
   printf ("%d ", Ptr_Glob->variant.var_1.Int_Comp);

   printf ("Str_Comp:      ");
   if (strcmp(Ptr_Glob->variant.var_1.Str_Comp,
                        "DHRYSTONE PROGRAM, SOME STRING") == 0)
                        printf ("O.K.  ");
   else                printf ("WRONG ");
   printf ("%s\n", Ptr_Glob->variant.var_1.Str_Comp);

   printf ("Next_Ptr_Glob->       ");
   printf ("  Ptr_Comp:       *    %d", (int) Next_Ptr_Glob->Ptr_Comp);
   printf (" same as above\n");

   printf ("  Discr:       ");
   if (Next_Ptr_Glob->Discr == 0)
                        printf ("O.K.  ");
   else                printf ("WRONG ");
   printf ("%d  ", Next_Ptr_Glob->Discr);

   printf ("Enum_Comp:     ");
   if (Next_Ptr_Glob->variant.var_1.Enum_Comp == 1)
                        printf ("O.K.  ");
   else                printf ("WRONG ");
   printf ("%d\n", Next_Ptr_Glob->variant.var_1.Enum_Comp);

   printf ("  Int_Comp:    ");
   if (Next_Ptr_Glob->variant.var_1.Int_Comp == 18)
                        printf ("O.K.  ");
   else                printf ("WRONG ");
   printf ("%d ", Next_Ptr_Glob->variant.var_1.Int_Comp);

   printf ("Str_Comp:      ");
   if (strcmp(Next_Ptr_Glob->variant.var_1.Str_Comp,
                        "DHRYSTONE PROGRAM, SOME STRING") == 0)
                        printf ("O.K.  ");
   else                printf ("WRONG ");
   printf ("%s\n", Next_Ptr_Glob->variant.var_1.Str_Comp);

   printf ("Int_1_Loc:     ");
   if (Int_1_Loc == 5)
                        printf ("O.K.  ");
   else                printf ("WRONG ");
   printf ("%d  ", Int_1_Loc);

   printf ("Int_2_Loc:     ");
   if (Int_2_Loc == 13)
                        printf ("O.K.  ");
   else                printf ("WRONG ");
   printf ("%d\n", Int_2_Loc);

   printf ("Int_3_Loc:     ");
   if (Int_3_Loc == 7)
                        printf ("O.K.  ");
   else                printf ("WRONG ");
   printf ("%d  ", Int_3_Loc);

   printf ("Enum_Loc:      ");
   if (Enum_Loc == 1)
                        printf ("O.K.  ");
   else                printf ("WRONG ");
   printf ("%d\n", Enum_Loc);

   printf ("Str_1_Loc:                             ");
   if (strcmp(Str_1_Loc, "DHRYSTONE PROGRAM, 1'ST STRING") == 0)
                        printf ("O.K.  ");
   else                printf ("WRONG ");
   printf ("%s\n", Str_1_Loc);

   printf ("Str_2_Loc:                             ");
   if (strcmp(Str_2_Loc, "DHRYSTONE PROGRAM, 2'ND STRING") == 0)
                        printf ("O.K.  ");
   else                printf ("WRONG ");
   printf ("%s\n", Str_2_Loc);

   printf ("\n");


   if (User_Time < Too_Small_Time)
   {
     printf ("Measured time too small to obtain meaningful results\n");
     printf ("Please increase number of runs\n");
     printf ("\n");
   }
   else
   {
     Microseconds = User_Time * Mic_secs_Per_Second
                         / (double) Number_Of_Runs;
     Dhrystones_Per_Second = (double) Number_Of_Runs / User_Time;
     Vax_Mips = Dhrystones_Per_Second / 1757.0;

     printf ("Microseconds for one run through Dhrystone: ");
     printf ("%12.2lf \n", Microseconds);
     printf ("Dhrystones per Second:                      ");
     printf ("%10.0lf \n", Dhrystones_Per_Second);
     printf ("VAX  MIPS rating =                          ");
     printf ("%12.2lf \n",Vax_Mips);
     printf ("\n");

/************************************************************************
 *             Type details of hardware, software etc.                  *
 ************************************************************************/

   if (getinput == 1)
     {
        printf ("Enter the following which will be added with results to file DHRY.TXT\n");
        printf ("When submitting a number of results you need only provide details once\n");
        printf ("but a cross reference such as an abbreviated CPU type would be useful.\n");
        printf ("You can kill (exit or close) the program now and no data will be added.\n\n");

        printf ("PC Supplier/model     ? ");
        gets(general[1]);

        printf ("CPU chip              ? ");
        gets(general[2]);

        printf ("Clock MHz             ? ");
        gets(general[3]);

        printf ("Cache size            ? ");
        gets(general[4]);

        printf ("Chipset & H/W options ? ");
        gets(general[5]);

        printf ("OS/DOS version        ? ");
        gets(general[6]);

        printf ("Your name             ? ");
        gets(general[7]);

        printf ("Company/Location      ? ");
        gets(general[8]);

        printf ("E-mail address        ? ");
        gets(general[0]);
     }
/************************************************************************
 *                Add results to output file Dhry.txt                   *
 ************************************************************************/
   fprintf (Ap, "-------------------- -----------------------------------"
                         "\n");
   fprintf (Ap, "Dhrystone Benchmark  Version 2.1 (Language: C++)\n\n");
   fprintf (Ap, "PC model             %s\n", general[1]);
   fprintf (Ap, "CPU                  %s\n", general[2]);
   fprintf (Ap, "Clock MHz            %s\n", general[3]);
   fprintf (Ap, "Cache                %s\n", general[4]);
   fprintf (Ap, "Options              %s\n", general[5]);
   fprintf (Ap, "OS/DOS               %s\n", general[6]);
   fprintf (Ap, "Compiler             %s\n", compiler);
   fprintf (Ap, "OptLevel             %s\n", options);
   fprintf (Ap, "Run by               %s\n", general[7]);
   fprintf (Ap, "From                 %s\n", general[8]);
   fprintf (Ap, "Mail                 %s\n\n", general[0]);

   fprintf (Ap, "Final values         (* implementation-dependent):\n");
   fprintf (Ap, "\n");
   fprintf (Ap, "Int_Glob:      ");
   if (Int_Glob == 5)  fprintf (Ap, "O.K.  ");
   else                fprintf (Ap, "WRONG ");
   fprintf (Ap, "%d\n", Int_Glob);

   fprintf (Ap, "Bool_Glob:     ");
   if (Bool_Glob == 1) fprintf (Ap, "O.K.  ");
   else                fprintf (Ap, "WRONG ");
   fprintf (Ap, "%d\n", Bool_Glob);

   fprintf (Ap, "Ch_1_Glob:     ");
   if (Ch_1_Glob == 'A')  fprintf (Ap, "O.K.  ");
   else                   fprintf (Ap, "WRONG ");
   fprintf (Ap, "%c\n", Ch_1_Glob);

   fprintf (Ap, "Ch_2_Glob:     ");
   if (Ch_2_Glob == 'B')  fprintf (Ap, "O.K.  ");
   else                   fprintf (Ap, "WRONG ");
   fprintf (Ap, "%c\n",  Ch_2_Glob);

   fprintf (Ap, "Arr_1_Glob[8]: ");
   if (Arr_1_Glob[8] == 7)  fprintf (Ap, "O.K.  ");
   else                     fprintf (Ap, "WRONG ");
   fprintf (Ap, "%d\n", Arr_1_Glob[8]);

   fprintf (Ap, "Arr_2_Glob8/7: ");
   if (Arr_2_Glob[8][7] == Number_Of_Runs + 10)
                          fprintf (Ap, "O.K.  ");
   else                   fprintf (Ap, "WRONG ");
   fprintf (Ap, "%10d\n", Arr_2_Glob[8][7]);

   fprintf (Ap, "Ptr_Glob->  \n");
   fprintf (Ap, "  Ptr_Comp:       *  %d\n", (int) Ptr_Glob->Ptr_Comp);

   fprintf (Ap, "  Discr:       ");
   if (Ptr_Glob->Discr == 0)  fprintf (Ap, "O.K.  ");
   else                       fprintf (Ap, "WRONG ");
   fprintf (Ap, "%d\n", Ptr_Glob->Discr);

   fprintf (Ap, "  Enum_Comp:   ");
   if (Ptr_Glob->variant.var_1.Enum_Comp == 2)
                        fprintf (Ap, "O.K.  ");
   else                fprintf (Ap, "WRONG ");
   fprintf (Ap, "%d\n", Ptr_Glob->variant.var_1.Enum_Comp);

   fprintf (Ap, "  Int_Comp:    ");
   if (Ptr_Glob->variant.var_1.Int_Comp == 17)  fprintf (Ap, "O.K.  ");
   else                                         fprintf (Ap, "WRONG ");
   fprintf (Ap, "%d\n", Ptr_Glob->variant.var_1.Int_Comp);

   fprintf (Ap, "  Str_Comp:    ");
   if (strcmp(Ptr_Glob->variant.var_1.Str_Comp,
                        "DHRYSTONE PROGRAM, SOME STRING") == 0)
                        fprintf (Ap, "O.K.  ");
   else                fprintf (Ap, "WRONG ");
   fprintf (Ap, "%s\n", Ptr_Glob->variant.var_1.Str_Comp);

   fprintf (Ap, "Next_Ptr_Glob-> \n");
   fprintf (Ap, "  Ptr_Comp:       *  %d", (int) Next_Ptr_Glob->Ptr_Comp);
   fprintf (Ap, " same as above\n");

   fprintf (Ap, "  Discr:       ");
   if (Next_Ptr_Glob->Discr == 0)
                        fprintf (Ap, "O.K.  ");
   else                fprintf (Ap, "WRONG ");
   fprintf (Ap, "%d\n", Next_Ptr_Glob->Discr);

   fprintf (Ap, "  Enum_Comp:   ");
   if (Next_Ptr_Glob->variant.var_1.Enum_Comp == 1)
                        fprintf (Ap, "O.K.  ");
   else                fprintf (Ap, "WRONG ");
   fprintf (Ap, "%d\n", Next_Ptr_Glob->variant.var_1.Enum_Comp);

   fprintf (Ap, "  Int_Comp:    ");
   if (Next_Ptr_Glob->variant.var_1.Int_Comp == 18)
                        fprintf (Ap, "O.K.  ");
   else                fprintf (Ap, "WRONG ");
   fprintf (Ap, "%d\n", Next_Ptr_Glob->variant.var_1.Int_Comp);

   fprintf (Ap, "  Str_Comp:    ");
   if (strcmp(Next_Ptr_Glob->variant.var_1.Str_Comp,
                        "DHRYSTONE PROGRAM, SOME STRING") == 0)
                        fprintf (Ap, "O.K.  ");
   else                fprintf (Ap, "WRONG ");
   fprintf (Ap, "%s\n", Next_Ptr_Glob->variant.var_1.Str_Comp);

   fprintf (Ap, "Int_1_Loc:     ");
   if (Int_1_Loc == 5)
                        fprintf (Ap, "O.K.  ");
   else                fprintf (Ap, "WRONG ");
   fprintf (Ap, "%d\n", Int_1_Loc);

   fprintf (Ap, "Int_2_Loc:     ");
   if (Int_2_Loc == 13)
                        fprintf (Ap, "O.K.  ");
   else                fprintf (Ap, "WRONG ");
   fprintf (Ap, "%d\n", Int_2_Loc);

   fprintf (Ap, "Int_3_Loc:     ");
   if (Int_3_Loc == 7)
                        fprintf (Ap, "O.K.  ");
   else                fprintf (Ap, "WRONG ");
   fprintf (Ap, "%d\n", Int_3_Loc);

   fprintf (Ap, "Enum_Loc:      ");
   if (Enum_Loc == 1)
                        fprintf (Ap, "O.K.  ");
   else                fprintf (Ap, "WRONG ");
   fprintf (Ap, "%d\n", Enum_Loc);

   fprintf (Ap, "Str_1_Loc:     ");
   if (strcmp(Str_1_Loc, "DHRYSTONE PROGRAM, 1'ST STRING") == 0)
                        fprintf (Ap, "O.K.  ");
   else                fprintf (Ap, "WRONG ");
   fprintf (Ap, "%s\n", Str_1_Loc);

   fprintf (Ap, "Str_2_Loc:     ");
   if (strcmp(Str_2_Loc, "DHRYSTONE PROGRAM, 2'ND STRING") == 0)
                        fprintf (Ap, "O.K.  ");
   else                fprintf (Ap, "WRONG ");
   fprintf (Ap, "%s\n", Str_2_Loc);


   fprintf (Ap, "\n");
   fprintf(Ap,"%s\n",Reg_Define);
   fprintf (Ap, "\n");
   fprintf(Ap,"Microseconds 1 loop:  %12.2lf\n",Microseconds);
   fprintf(Ap,"Dhrystones / second:  %10.0lf\n",Dhrystones_Per_Second);
   fprintf(Ap,"VAX MIPS rating:      %12.2lf\n\n",Vax_Mips);
   fclose(Ap);
   }

    printf ("\n");
    printf ("A new results file will have been created in the same directory as the\n");
    printf (".EXE files if one did not already exist. If you made a mistake on input, \n");
    printf ("you can use a text editor to correct it, delete the results or copy \n");
    printf ("them to a different file name. If you intend to run multiple tests you\n");
    printf ("you may wish to rename DHRY.TXT with a more informative title.\n\n");
    printf ("Please submit feedback and results files as a posting in Section 12\n");
    printf ("or to Roy_Longbottom@compuserve.com\n\n");

    if (getinput == 1)
     {
        printf("Press any key to exit\n");
        printf ("\nIf this is displayed you must close the window in the normal way\n");
     }
 }


 void Proc_1 (REG Rec_Pointer Ptr_Val_Par)
 /******************/

     /* executed once */
 {
   REG Rec_Pointer Next_Record = Ptr_Val_Par->Ptr_Comp;
                                         /* == Ptr_Glob_Next */
   /* Local variable, initialized with Ptr_Val_Par->Ptr_Comp,    */
   /* corresponds to "rename" in Ada, "with" in Pascal           */

   structassign (*Ptr_Val_Par->Ptr_Comp, *Ptr_Glob);
   Ptr_Val_Par->variant.var_1.Int_Comp = 5;
   Next_Record->variant.var_1.Int_Comp
         = Ptr_Val_Par->variant.var_1.Int_Comp;
   Next_Record->Ptr_Comp = Ptr_Val_Par->Ptr_Comp;
   Proc_3 (&Next_Record->Ptr_Comp);
     /* Ptr_Val_Par->Ptr_Comp->Ptr_Comp
                         == Ptr_Glob->Ptr_Comp */
   if (Next_Record->Discr == Ident_1)
     /* then, executed */
   {
     Next_Record->variant.var_1.Int_Comp = 6;
     Proc_6 (Ptr_Val_Par->variant.var_1.Enum_Comp,
            &Next_Record->variant.var_1.Enum_Comp);
     Next_Record->Ptr_Comp = Ptr_Glob->Ptr_Comp;
     Proc_7 (Next_Record->variant.var_1.Int_Comp, 10,
            &Next_Record->variant.var_1.Int_Comp);
   }
   else /* not executed */
     structassign (*Ptr_Val_Par, *Ptr_Val_Par->Ptr_Comp);
 } /* Proc_1 */


 void Proc_2 (One_Fifty *Int_Par_Ref)
 /******************/
     /* executed once */
     /* *Int_Par_Ref == 1, becomes 4 */

 {
   One_Fifty  Int_Loc;
   Enumeration   Enum_Loc;

   Int_Loc = *Int_Par_Ref + 10;
   do /* executed once */
     if (Ch_1_Glob == 'A')
       /* then, executed */
     {
       Int_Loc -= 1;
       *Int_Par_Ref = Int_Loc - Int_Glob;
       Enum_Loc = Ident_1;
     } /* if */
   while (Enum_Loc != Ident_1); /* true */
 } /* Proc_2 */


 void Proc_3 (Rec_Pointer *Ptr_Ref_Par)
 /******************/
     /* executed once */
     /* Ptr_Ref_Par becomes Ptr_Glob */

 {
   if (Ptr_Glob != Null)
     /* then, executed */
     *Ptr_Ref_Par = Ptr_Glob->Ptr_Comp;
   Proc_7 (10, Int_Glob, &Ptr_Glob->variant.var_1.Int_Comp);
 } /* Proc_3 */


void Proc_4 () /* without parameters */
 /*******/
     /* executed once */
 {
   Boolean Bool_Loc;

   Bool_Loc = Ch_1_Glob == 'A';
   Bool_Glob = Bool_Loc | Bool_Glob;
   Ch_2_Glob = 'B';
 } /* Proc_4 */


 void Proc_5 () /* without parameters */
 /*******/
     /* executed once */
 {
   Ch_1_Glob = 'A';
   Bool_Glob = false;
 } /* Proc_5 */


         /* Procedure for the assignment of structures,          */
         /* if the C compiler doesn't support this feature       */
 #ifdef  NOSTRUCTASSIGN
 memcpy (d, s, l)
 register char   *d;
 register char   *s;
 register int    l;
 {
         while (l--) *d++ = *s++;
 }
 #endif


double dtime()
{

  /* #include <ctype.h> */

  #define HZ CLOCKS_PER_SEC
  clock_t tnow;

  double q;
  tnow = clock();
  q = (double)tnow / (double)HZ;
  return q;
}