+#include <stdio.h>
+#include <stdlib.h>
+
unsigned int
f1 (int diff)
{
- return ((unsigned int) (diff < 0 ? -diff : diff));
+ return ((unsigned int) (diff < 0 ? -diff : diff));
}
unsigned int
f2 (unsigned int diff)
{
- return ((unsigned int) ((signed int) diff < 0 ? -diff : diff));
+ return ((unsigned int) ((signed int) diff < 0 ? -diff : diff));
}
unsigned long long
f3 (long long diff)
{
- return ((unsigned long long) (diff < 0 ? -diff : diff));
+ return ((unsigned long long) (diff < 0 ? -diff : diff));
}
unsigned long long
f4 (unsigned long long diff)
{
- return ((unsigned long long) ((signed long long) diff < 0 ? -diff : diff));
+ return ((unsigned long long) ((signed long long) diff < 0 ? -diff : diff));
}
-main ()
+int main ()
{
- int i;
- for (i = 0; i <= 10; i++)
- {
- /*
- if (f1 (i) != i) {
- printf("f1(%d)\n", i);
- abort ();
- }
- if (f1 (-i) != i) {
- printf("f1(%d)\n", -i);
- abort ();
- }
- if (f2 (i) != i) {
- printf("f2(%d)\n", i);
- abort ();
- }
- */
- if (f2 (-i) != i) {
- printf("f2(%d)\n", -i);
- abort ();
- }
- /*
- if (f3 ((long long) i) != i) {
- printf("f3(%lld)\n", i);
- abort ();
- }
- if (f3 ((long long) -i) != i) {
- printf("f3(%lld)\n", -i);
- abort ();
- }
- if (f4 ((long long) i) != i) {
- printf("f4(%lld)\n", i);
- abort ();
- }
- if (f4 ((long long) -i) != i) {
- printf("f4(%d)\n", -i);
- abort ();
- }
- */
- }
- exit (0);
+ int i;
+ for (i = 0; i <= 10; i++)
+ {
+#if 0
+ if (f1 (i) != i) {
+ printf("f1(%d)\n", i);
+ abort ();
+ }
+ if (f1 (-i) != i) {
+ printf("f1(%d)\n", -i);
+ abort ();
+ }
+ if (f2 (i) != i) {
+ printf("f2(%d)\n", i);
+ abort ();
+ }
+#endif
+ if ((int) f2 (-i) != i) {
+ printf("f2(%d) -> %d\n", -i, f2(-i));
+ abort ();
+ }
+#if 0
+ if (f3 ((long long) i) != i) {
+ printf("f3(%lld)\n", i);
+ abort ();
+ }
+ if (f3 ((long long) -i) != i) {
+ printf("f3(%lld)\n", -i);
+ abort ();
+ }
+ if (f4 ((long long) i) != i) {
+ printf("f4(%lld)\n", i);
+ abort ();
+ }
+ if (f4 ((long long) -i) != i) {
+ printf("f4(%d)\n", -i);
+ abort ();
+ }
+#endif
+ }
+ exit (0);
}