#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include "backprop.h"
#include "omp.h"

extern char *strcpy();
extern void exit();

int layer_size = 0;
int platform_num = 0;
int device_num = 0;
int use_gpu = 0;

void backprop_face()
{
  BPNN *net;
  int i;
  float out_err, hid_err;
  net = bpnn_create(layer_size, 16, 1); // (16, 1 can not be changed)

  printf("Input layer size : %d\n", layer_size);
  load(net);
  //entering the training kernel, only one iteration
  printf("Starting training kernel\n");
  bpnn_train_kernel(net, &out_err, &hid_err, platform_num, device_num, use_gpu);
  bpnn_free(net);
  printf("\nFinish the training for one iteration\n");
}

int setup(int argc, char **argv)
{

  int seed;

  if (argc!=5){
  fprintf(stderr, "usage: backprop <num of input elements> <platform> <device> <type>\n");
  exit(0);
  }
  layer_size = atoi(argv[1]);
  if (layer_size%16!=0){
  fprintf(stderr, "The number of input points must be divided by 16\n");
  exit(0);
  }

  platform_num = atoi(argv[2]);
  device_num = atoi(argv[3]);
  use_gpu = atoi(argv[4]);


  seed = 7;
  bpnn_initialize(seed);
  backprop_face();

  exit(0);
}