// file: /data/courses/ece_1111/lectures/current/lecture_05/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) {

  // grab a value from the command line
  //
  fprintf(stdout, "the program name = %s\n", argv[0]);

  fprintf(stdout, "the first character is %c (%d)\n", argv[1][0]);
  long lval = atoi(argv[1]);
  fprintf(stdout, "lval = %ld (%s)\n", lval, argv[1]);

  float fval = atof(argv[2]);
  fprintf(stdout, "fval = %f (%s)\n", fval, argv[2]);

  // declare an unsigned char - one byte
  //
  unsigned char foo;

  for (long i = 0; i < 260; 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 = 32760; i < 32780; i++) {
    s = i;
    us = i;
    //fprintf(stdout, "%d: %d (%u)\n", i, s, us);
  }

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

  // 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);

  // declare a super long
  //
  long long really_long;
  //  double double really_long_also;

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

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

  // how do I get the number of bytes in a number?
  //
  long z;
  fprintf(stdout, "the size in bytes is %d\n", sizeof(z));
  fprintf(stdout, "the size in bytes is %d\n", sizeof(long));


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