// file: /data/courses/ece_1111/lectures/current/lecture_14/example.cc
//

// local include files
//
#include "example.h"

// function: main
//
// This is a simple program that prints to the terminal.
//
int main(int argc, const char** argv) {

  // print the program name
  //
  fprintf(stdout, "program name: %s\n", argv[0]);
  fprintf(stdout, "second arg: %s\n", argv[1]);
  fprintf(stdout, "third arg: %s\n", argv[2]);

  float sum = atof(argv[2]);
  fprintf(stdout, "third arg as a number: %f\n", sum);

  // declare a character string
  //
  char* joe = (char*)"ece_111";
  fprintf(stdout, "%s %s\n", "my character string =", joe);

  // declare a boolean value
  //
  bool b = true;
  bool bb = false;

  // sizeof
  //
  fprintf(stdout, "the size of b is %d bytes\n", sizeof(b));

  unsigned char c = (unsigned char)257;
  fprintf(stdout, "c = %d, the number of bytes = %d\n", c, sizeof(c));

  short int s = 32768;
  fprintf(stdout, "s = %d, the number of bytes = %d\n", s, sizeof(s));

  int l = 99;
  fprintf(stdout, "value = %d, the number of bytes = %d\n", l, sizeof(l));
  long ll = 99;
  fprintf(stdout, "value = %d, the number of bytes = %d\n", ll, sizeof(ll));
  
  //  unsigned char chr = 1;

  float x = atof(argv[1]);
  fprintf(stdout, "value = %f, the number of bytes = %d\n", x, sizeof(x));
  double y = atof(argv[2]);
  fprintf(stdout, "value = %f, the number of bytes = %d\n", y, sizeof(y));
  /*

  // demonstrate floats and the math library
  //
  float xxx = atof(argv[1]);
  fprintf(stdout, "x = %15.10f\n", xxx);
  float my_pi = M_PI;
  float my_sin = sin(my_pi);
  fprintf(stdout, "sin of %f = %f\n", my_pi, my_sin);
  
  // define our own constant
  //
  double xx = JOES_NUMBER;
  fprintf(stdout, "xx = %f\n", xx);
  fprintf(stdout, "xx = %e\n", xx);
  
  x = x / pow(10, 9);
  int sz_f = sizeof(float);
  int sz_d = sizeof(double);
  //fprintf(stdout, "the value of x is %f (%d %d)\n", x, sz_f, sz_d);  
  double y = 27.2727272727;
  fprintf(stdout, "the value of y is %f\n", y);  

  float v = 27.2727272727;
  fprintf(stdout, "the value of v is %f\n", v);  

  /*
  float z = M_PI;
  //fprintf(stdout, "the value of z is %15.4e\n", z);  

  //unsigned int i = atoi(argv[1]);
  //fprintf(stdout, "i = %f (%s)\n", i, argv[1]);

  // declare an unsigned char - one byte
  //
  //float x;
  //fprintf(stdout, "%fd: %f\n", x, x);

  unsigned char foo, goo, fsoso, j;

  //for (long i = 0; i < 257; i++) {
  //foo = i;
  //fprintf(stdout, "%d: %d\n", i, foo);
  //  }

  // declare a signed character - ASCII
  //
  //char c;
  //for (long i = -128; i < 128; i++) {
  //c = i;
  //fprintf(stdout, "%d: %c (%d)\n", i, c, c);
  //}

  // declare a 16-bit integer
  //
  //short s;
  //  unsigned short us;

  //for (long i = -32768; i < 32768; i++) {
  //s = i;
  //fprintf(stdout, "%d: %d (%d)\n", i, s, s);
  //  }

  // declare an "int" integer
  //
  //  int k;
  //  unsigned int uk;
  //  for (int i = -pow(2,31); i < pow(2,31); i++) {
  //    k = i;
  //    fprintf(stdout, "%d: %d (%d)\n", k, k, k);
  //  }

  // declare long integer
  //
  //  long l;
  //  unsigned long ul;

  //  for (long i = -2^63; i < 2^63 - 1; i++) {
  //    s = i;
  //     fprintf(stdout, "%d: %d (%d)\n", i, s, s);
  //   }

  // declare a floating-point number
  //
  //  float x = 27.00125;

  //fprintf(stdout, "x = %f\n", x);

  // declare a double precision floating-point number
  //
  //  double y = 27.00125;

  //fprintf(stdout, "y = %f\n", y);
  */

  // exit gracefully
  //
  return(0);
}