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/*
* methods/iterate_mod.c
*
* identical to 'iterate.c', but with some trivial code changs to create
* differences - for differential coverage report.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include "iterate.h"
int iterate_get_sum (int min, int max)
{
int total = 0;
/* This is where we loop over each number in the range, including
both the minimum and the maximum number. */
/* just reverse iteration order */
for (int i = max; i >= min; total += i , --i)
{
/* We can detect an overflow by checking whether the new
sum would exceed the maximum integer value. */
if (total > INT_MAX - i)
{
printf ("Error: sum too large!\n");
exit (1);
}
/* Everything seems to fit into an int, so continue adding. */
}
return total;
}
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