?? tst_abs.c
字號:
#include <math.h>
#include <stdio.h> /* for printf */
void tst_abs (void) {
int x;
int y;
x = -42;
y = abs (x);
printf ("ABS(%d) = %d\n", x, y);
}
void tst_cabs (void) {
char x;
char y;
x = -23;
y = cabs (x);
printf ("CABS(%bd) = %bd\n", x, y);
}
void tst_fabs (void) {
float x;
float y;
x = 10.2;
y = fabs (x);
printf ("FABS(%f) = %f\n", x, y);
x = -3.6;
y = fabs (x);
printf ("FABS(%f) = %f\n", x, y);
}
void tst_labs (void) {
long x;
long y;
x = -12345L;
y = labs (x);
printf ("LABS(%ld) = %ld\n", x, y);
}
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