zig/std/special/compiler_rt/fixunstfti_test.zig
Andrew Kelley 02c1b9df3b fix compiler-rt tests accidentally running std tests
also reduce the aggressiveness of std.atomic.stack
and std.atomic.queue fuzz testing. appveyor has 1 core
and 10,000 iterations is too much for 6 threads to
thrash over
2018-05-02 21:34:34 -04:00

33 lines
1.0 KiB
Zig

const __fixunstfti = @import("fixunstfti.zig").__fixunstfti;
const assert = @import("std").debug.assert;
fn test__fixunstfti(a: f128, expected: u128) void {
const x = __fixunstfti(a);
assert(x == expected);
}
const inf128 = @bitCast(f128, u128(0x7fff0000000000000000000000000000));
test "fixunstfti" {
test__fixunstfti(inf128, 0xffffffffffffffffffffffffffffffff);
test__fixunstfti(0.0, 0);
test__fixunstfti(0.5, 0);
test__fixunstfti(0.99, 0);
test__fixunstfti(1.0, 1);
test__fixunstfti(1.5, 1);
test__fixunstfti(1.99, 1);
test__fixunstfti(2.0, 2);
test__fixunstfti(2.01, 2);
test__fixunstfti(-0.01, 0);
test__fixunstfti(-0.99, 0);
test__fixunstfti(0x1.p+128, 0xffffffffffffffffffffffffffffffff);
test__fixunstfti(0x1.FFFFFEp+126, 0x7fffff80000000000000000000000000);
test__fixunstfti(0x1.FFFFFEp+127, 0xffffff00000000000000000000000000);
test__fixunstfti(0x1.FFFFFEp+128, 0xffffffffffffffffffffffffffffffff);
test__fixunstfti(0x1.FFFFFEp+129, 0xffffffffffffffffffffffffffffffff);
}