// file: lecture_19/myprog.cc
//
// local include files
//
#include "myprog.h"

// main: myprog
//
// This is a driver program that does some very simple things.
//
int main(int argc, const char** argv) {

  /*
  // demonstrate using a library function
  //
  for (long i = 0; i < DEGREES; i++) {
    float val = (float)i / (float)DEGREES * (float)2.0 * M_PI;
    fprintf(stdout, "%d (%f): %f\n", i, val, sin(val));
  }

  // demonstrate string processing
  //
  char str[] = "Joe";  
  fprintf(stdout, "the length of str (%s) = %d\n", str, strlen(str));

  // open a file and read a line
  //
  FILE* fp = fopen(argv[1], "r");
  char buf[999];
  fgets(buf, 998, fp);
  fclose(fp);

  fprintf(stdout, "the value of buf is [%s]\n", buf);

  // strip the linefeed from buf?
  //
  buf[strlen(buf) - 1] = (char)NULL;
  fprintf(stdout, "the value of buf is [%s]\n", buf);

  // demonstrate strstr
  //
  char str[] = "Temple ECE 1111";
  //  char* ptr = strstr(str, (char*)argv[1]);
  char* ptr = strcasestr(str, (char*)argv[1]);
  fprintf(stdout, "found [%s] in [%s] at location [%s]\n",
	  argv[1], str, ptr);
*/  

  // call mysum
  //
  fprintf(stdout, "%f + %f = %f\n", atof(argv[1]), atof(argv[2]),
	  mysum(atof(argv[1]), atof(argv[2])));

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