// test that the import of std.math is not needed

__gshared uint x0 = 0;
__gshared uint x1 = 1;
__gshared uint x2 = 2;
__gshared uint x3 = 3;
__gshared uint x4 = 4;
__gshared uint x5 = 5;
__gshared uint x6 = 6;
__gshared uint x7 = 7;
__gshared uint x10 = 10;
__gshared uint x15 = 15;
__gshared uint x31 = 31;
__gshared uint x32 = 32;

void main()
{
    assert(2 ^^ x0 == 1);
    assert(2 ^^ x1 == 2);
    assert(2 ^^ x31 == 0x80000000);
    assert(4 ^^ x0 == 1);
    assert(4 ^^ x1 == 4);
    assert(4 ^^ x15 == 0x40000000);
    assert(8 ^^ x0 == 1);
    assert(8 ^^ x1 == 8);
    assert(8 ^^ x10 == 0x40000000);
    assert(16 ^^ x0 == 1);
    assert(16 ^^ x1 == 16);
    assert(16 ^^ x7 == 0x10000000);
    assert(32 ^^ x0 == 1);
    assert(32 ^^ x1 == 32);
    assert(32 ^^ x6 == 0x40000000);
    assert(64 ^^ x0 == 1);
    assert(64 ^^ x1 == 64);
    assert(64 ^^ x5 == 0x40000000);
    assert(128 ^^ x0 == 1);
    assert(128 ^^ x1 == 128);
    assert(128 ^^ x4 == 0x10000000);
    assert(256 ^^ x0 == 1);
    assert(256 ^^ x1 == 256);
    assert(256 ^^ x3 == 0x1000000);
    assert(512 ^^ x0 == 1);
    assert(512 ^^ x1 == 512);
    assert(512 ^^ x3 == 0x8000000);
    assert(1024 ^^ x0 == 1);
    assert(1024 ^^ x1 == 1024);
    assert(1024 ^^ x3 == 0x40000000);
    assert(2048 ^^ x0 == 1);
    assert(2048 ^^ x1 == 2048);
    assert(2048 ^^ x2 == 0x400000);
    assert(4096 ^^ x0 == 1);
    assert(4096 ^^ x1 == 4096);
    assert(4096 ^^ x2 == 0x1000000);
    assert(8192 ^^ x0 == 1);
    assert(8192 ^^ x1 == 8192);
    assert(8192 ^^ x2 == 0x4000000);
    assert(16384 ^^ x0 == 1);
    assert(16384 ^^ x1 == 16384);
    assert(16384 ^^ x2 == 0x10000000);
    assert(32768 ^^ x0 == 1);
    assert(32768 ^^ x1 == 32768);
    assert(32768 ^^ x2 == 0x40000000);
    assert(65536 ^^ x0 == 1);
    assert(65536 ^^ x1 == 65536);
    assert(131072 ^^ x0 == 1);
    assert(131072 ^^ x1 == 131072);
    assert(262144 ^^ x0 == 1);
    assert(262144 ^^ x1 == 262144);
    assert(524288 ^^ x0 == 1);
    assert(524288 ^^ x1 == 524288);
    assert(1048576 ^^ x0 == 1);
    assert(1048576 ^^ x1 == 1048576);
    assert(2097152 ^^ x0 == 1);
    assert(2097152 ^^ x1 == 2097152);
    assert(4194304 ^^ x0 == 1);
    assert(4194304 ^^ x1 == 4194304);
}