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...
// This has a deliberate error: we are 
// using %g to read bigvar instead of %lg */

 int main(){
   ... 

»  float littlevar=0;// Four bytes 
»  double bigvar=0;// Eight bytes

»  printf("Please enter two numbers:\n");
»  scanf("%g", &littlevar);
»  scanf("%g", &bigvar);// ERROR!

»  printf("%g %g\n", littlevar, bigvar);

»  return 0;
}

Data

littlevar (float)			bigvar (double)
4288894748			4288894752
0			0

Memory

main()
				4288894748	4288894749	4288894750	4288894751
				littlevar = 0
4288894752	4288894753	4288894754	4288894755	4288894756	4288894757	4288894758	4288894759
bigvar = 0

NB: the actual memory address of each variable is the
address shown plus (0x0).

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Input was:

4.56 -7.89e14

Show output (Before looking at the output, work out what you think it put should be and see if you are right.)

Output

Please enter two numbers:
4.56 1.7921e-314

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