#include <stdint.h>
#include <stdio.h>

int main(void)
{
//	uint64_t x = 0x10000000;
	uint64_t x = 0x10000;
	uint64_t y = 0, i;

	for (i = 0; i < 20000000000; i++) {
#if 0
		x += x * x;
#else
		x += (uint64_t)(uint32_t)x * (uint32_t)x;
#endif
		if (x == y)
			fprintf(stderr, "%llu (0x%llx): %llu (0x%llx)\n",
			    (unsigned long long)i, (unsigned long long)i,
			    (unsigned long long)x, (unsigned long long)x);
		if ((i & (i - 1)) == 0)
			y = x;
//		fwrite(&x, sizeof(x), 1, stdout);
	}

	return 0;
}