Test the maximum and minimum int value in C99

testmaxintC.c

#include <stdio.h>
#include <limits.h>
#include <float.h>

int main() {

    int a = INT_MIN;
    int b = INT_MAX;
    double c = DBL_MIN;

    printf("min is %d and max is %d \n", a, b);
    printf("min positive double is %ef \n", c);

    // test cross limits
    for (int i = 0; i < 10; ++i) {
        printf("test %d cross min is %d and cross max is %d \n", i, a - 1, b + 1);
    }

    return 0;
}

I tested it with codes:

for (int i = 0; i < 10; ++i) {
        printf("test %d cross min is %d and cross max is %d \n", i, a - 1, b + 1);
        a = a - 1;
        b = b - 1;
    }

and I get something different

@Godinlove Can you paste your results here and also you gcc version?

gcc 4:6.3.0-2ubu amd64 GNU C compiler