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double fabs (double);

/* interops with myftype_1 */

typedef struct {

   int m, n;

   float r;

} myctype_t;

/* interops with particle in f90 */

typedef struct particle

{

   double x;  /* x position */

   double vx; /* velocity in x direction */

   double y;  /* y position */

   double vy; /* velocity in y direction */

   double z;  /* z position */

   double vz; /* velocity in z direction */

   double m;  /* mass */

}particle_t;

extern void abort(void);

void types_test(particle_t *my_particles, int num_particles);

/* declared in the fortran module bind_c_dts */

extern myctype_t myDerived;

int main(int argc, char **argv)

{

   particle_t my_particles[100];

   /* the fortran code will modify the middle particle */

   my_particles[49].x = 1.0;

   my_particles[49].vx = 1.0;

   my_particles[49].y = 1.0;

   my_particles[49].vy = 1.0;

   my_particles[49].z = 1.0;

   my_particles[49].vz = 1.0;

   my_particles[49].m = 1.0;

   myDerived.m = 1;

   myDerived.n = 2;

   myDerived.r = 3.0;

   types_test(&(my_particles[0]), 100);

   if(fabs(my_particles[49].x - 1.2) > 0.00000000)

      abort();

   if(fabs(my_particles[49].vx - 1.2) > 0.00000000)

      abort();

   if(fabs(my_particles[49].y - 1.2) > 0.00000000)

      abort();

   if(fabs(my_particles[49].vy - 1.2) > 0.00000000)

      abort();

   if(fabs(my_particles[49].z - 1.2) > 0.00000000)

      abort();

   if(fabs(my_particles[49].vz - 1.2) > 0.00000000)

      abort();

   if(fabs(my_particles[49].m - 1.2) > 0.00000000)

      abort();

   if(myDerived.m != 2)

      abort();

   if(myDerived.n != 3)

      abort();

   if(fabs(myDerived.r - 4.0) > 0.00000000)

      abort();

   return 0;

}/* end main() */