C program

EMPS intranet

Hi! Hi! Start main()

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Value and type of last evaluated expression: Address of array element: Address of array elementx: (none)

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Code

 Header...
/*
 * Demonstrate an error looping over an array
 */
#define N 2

 int main(){
   ... 

  // It is likely, although not certain, that the compiler
  // will choose to store a, vec and b next to each other.
»  float a=0, vec[N], b=0;

  // Initialise all the elements of vec to 1000
»  for ( int j=1;j<=N; ++j) // Ooops!
    vecj=1000;

»  printf("a: %g b:%g\n", a, b);

»  return 0;
}

Memory

main(): for()
				132	133	134	135
				j = 1
main()
136	137	138	139	140	141	142	143
b = 0				vec[0] = 3.99792e-34
144	145	146	147	148	149	150	151
vec[1] = 1.4013e-45				a = 0

NB: the actual memory address of each variable is the
address shown plus 4289632840 (0xFFAE9A48).

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Output

a: 1000 b:0

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Code

main(): for()

main()

Output