div1 (signed char x) { return x / -1; } div2 (signed short x) { return x / -1; } div3 (signed char x, signed char y) { return x / y; } div4 (signed short x, signed short y) { return x / y; } mod1 (signed char x) { return x % -1; } mod2 (signed short x) { return x % -1; } mod3 (signed char x, signed char y) { return x % y; } mod4 (signed short x, signed short y) { return x % y; } signed long mod5 (signed long x, signed long y) { return x % y; } unsigned long mod6 (unsigned long x, unsigned long y) { return x % y; } main () { if (div1 (-(1 << 7)) != 1 << 7) abort (); if (div2 (-(1 << 15)) != 1 << 15) abort (); if (div3 (-(1 << 7), -1) != 1 << 7) abort (); if (div4 (-(1 << 15), -1) != 1 << 15) abort (); if (mod1 (-(1 << 7)) != 0) abort (); if (mod2 (-(1 << 15)) != 0) abort (); if (mod3 (-(1 << 7), -1) != 0) abort (); if (mod4 (-(1 << 15), -1) != 0) abort (); if (mod5 (0x50000000, 2) != 0) abort (); if (mod6 (0x50000000, 2) != 0) abort (); exit (0); }