#include extern void abort (); int test1(int x) { return x ^ INT_MIN; } unsigned int test1u(unsigned int x) { return x ^ (unsigned int)INT_MIN; } int test2(int x) { return x + INT_MIN; } unsigned int test2u(unsigned int x) { return x + (unsigned int)INT_MIN; } int test3(int x) { return x - INT_MIN; } unsigned int test3u(unsigned int x) { return x - (unsigned int)INT_MIN; } int test4(int x) { int y = INT_MIN; return x ^ y; } unsigned int test4u(unsigned int x) { unsigned int y = (unsigned int)INT_MIN; return x ^ y; } int test5(int x) { int y = INT_MIN; return x + y; } unsigned int test5u(unsigned int x) { unsigned int y = (unsigned int)INT_MIN; return x + y; } int test6(int x) { int y = INT_MIN; return x - y; } unsigned int test6u(unsigned int x) { unsigned int y = (unsigned int)INT_MIN; return x - y; } void test(int a, int b) { if (test1(a) != b) abort(); if (test2(a) != b) abort(); if (test3(a) != b) abort(); if (test4(a) != b) abort(); if (test5(a) != b) abort(); if (test6(a) != b) abort(); } void testu(unsigned int a, unsigned int b) { if (test1u(a) != b) abort(); if (test2u(a) != b) abort(); if (test3u(a) != b) abort(); if (test4u(a) != b) abort(); if (test5u(a) != b) abort(); if (test6u(a) != b) abort(); } int main() { #if INT_MAX == 2147483647 test(0x00000000,0x80000000); test(0x80000000,0x00000000); test(0x12345678,0x92345678); test(0x92345678,0x12345678); test(0x7fffffff,0xffffffff); test(0xffffffff,0x7fffffff); testu(0x00000000,0x80000000); testu(0x80000000,0x00000000); testu(0x12345678,0x92345678); testu(0x92345678,0x12345678); testu(0x7fffffff,0xffffffff); testu(0xffffffff,0x7fffffff); #endif #if INT_MAX == 32767 test(0x0000,0x8000); test(0x8000,0x0000); test(0x1234,0x9234); test(0x9234,0x1234); test(0x7fff,0xffff); test(0xffff,0x7fff); testu(0x0000,0x8000); testu(0x8000,0x0000); testu(0x1234,0x9234); testu(0x9234,0x1234); testu(0x7fff,0xffff); testu(0xffff,0x7fff); #endif return 0; }