Mega Code Archive
Calculating a floating-point average using pointers
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#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
int main()
{
double *values = NULL;
double sum = 0.0;
int capacity = 5;
int j = 0;
values= (double*)malloc((capacity)*sizeof(double));
if(values == NULL){
printf("Memory allocation failed. Terminating program.");
}
for(j=0;j<capacity;j++){
values[j] = j;
printf(" %.2lf",values[j]);
}
for(j = 0 ; j<capacity ; j++)
sum += *(values+j);
/* Output the average */
printf("\n The average of the the values you entered is %.2lf.\n", sum/capacity);
free(values); /* We are done - so free the memory */
}
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