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wasmer/lib/emscripten-tests/emtests/test_i64.c

37 lines
1.0 KiB
C

/*
* Copyright 2016 The Emscripten Authors. All rights reserved.
* Emscripten is available under two separate licenses, the MIT license and the
* University of Illinois/NCSA Open Source License. Both these licenses can be
* found in the LICENSE file.
*/
#include <stdio.h>
int main()
{
long long a = 0x2b00505c10;
long long b = a >> 29;
long long c = a >> 32;
long long d = a >> 34;
printf("*%lld,%lld,%lld,%lld*\n", a, b, c, d);
unsigned long long ua = 0x2b00505c10;
unsigned long long ub = ua >> 29;
unsigned long long uc = ua >> 32;
unsigned long long ud = ua >> 34;
printf("*%lld,%lld,%lld,%lld*\n", ua, ub, uc, ud);
long long x = 0x0000def123450789ULL; // any bigger than this, and we
long long y = 0x00020ef123456089ULL; // start to run into the double precision limit!
printf("*%lld,%lld,%lld,%lld,%lld*\n", x, y, x | y, x & y, x ^ y);
printf("*");
long long z = 13;
int n = 0;
while (z > 1) {
printf("%.2f,", (float)z); // these must be integers!
z = z >> 1;
n++;
}
printf("*%d*\n", n);
return 0;
}