cc65/test/ref/divmod.c

/*
  !!DESCRIPTION!! div/mod test
  !!ORIGIN!!
  !!LICENCE!!     public domain
*/

#include <stdio.h>

void printc(signed char a,signed char b){
signed char x=a/b,y=a%b,z=a*b;
        printf("%3d,%3d is %3d,%3d,%3d\n",a,b,x,y,z);
}
void prints(short a,short b){
short x=a/b,y=a%b,z=a*b;
        printf("%3d,%3d is %3d,%3d,%3d\n",a,b,x,y,z);
}
void printl(long a,long b){
long x=a/b,y=a%b,z=a*b;
        printf("%3ld,%3ld is %3ld,%3ld,%3ld\n",a,b,x,y,z);
}

int main(void) {
        printl( 3,-2);
        printl(-3,-2);
        printl(-3, 2);
        printl( 3, 2);
        printf("-\n");
        prints( 3,-2);
        prints(-3,-2);
        prints(-3, 2);
        prints( 3, 2);
        printf("-\n");
        printc( 3,-2);
        printc(-3,-2);
        printc(-3, 2);
        printc( 3, 2);
        return 0;
}