mirror of
https://github.com/ziglang/zig.git
synced 2025-12-09 07:43:10 +00:00
608bc1cbd5
Instead require `1e9` and `0x1p9`, disallowing the trailing dot. This change to the grammar is consistent with forbidding `1.` and `0x1.` as float literals and ensures there is only one way to do things here.
55 lines
2.0 KiB
Zig
55 lines
2.0 KiB
Zig
// SPDX-License-Identifier: MIT
|
|
// Copyright (c) 2015-2021 Zig Contributors
|
|
// This file is part of [zig](https://ziglang.org/), which is MIT licensed.
|
|
// The MIT license requires this copyright notice to be included in all copies
|
|
// and substantial portions of the software.
|
|
const __fixunstfdi = @import("fixunstfdi.zig").__fixunstfdi;
|
|
const testing = @import("std").testing;
|
|
|
|
fn test__fixunstfdi(a: f128, expected: u64) !void {
|
|
const x = __fixunstfdi(a);
|
|
try testing.expect(x == expected);
|
|
}
|
|
|
|
test "fixunstfdi" {
|
|
try test__fixunstfdi(0.0, 0);
|
|
|
|
try test__fixunstfdi(0.5, 0);
|
|
try test__fixunstfdi(0.99, 0);
|
|
try test__fixunstfdi(1.0, 1);
|
|
try test__fixunstfdi(1.5, 1);
|
|
try test__fixunstfdi(1.99, 1);
|
|
try test__fixunstfdi(2.0, 2);
|
|
try test__fixunstfdi(2.01, 2);
|
|
try test__fixunstfdi(-0.5, 0);
|
|
try test__fixunstfdi(-0.99, 0);
|
|
try test__fixunstfdi(-1.0, 0);
|
|
try test__fixunstfdi(-1.5, 0);
|
|
try test__fixunstfdi(-1.99, 0);
|
|
try test__fixunstfdi(-2.0, 0);
|
|
try test__fixunstfdi(-2.01, 0);
|
|
|
|
try test__fixunstfdi(0x1.FFFFFEp+62, 0x7FFFFF8000000000);
|
|
try test__fixunstfdi(0x1.FFFFFCp+62, 0x7FFFFF0000000000);
|
|
|
|
try test__fixunstfdi(-0x1.FFFFFEp+62, 0);
|
|
try test__fixunstfdi(-0x1.FFFFFCp+62, 0);
|
|
|
|
try test__fixunstfdi(0x1.FFFFFFFFFFFFFp+62, 0x7FFFFFFFFFFFFC00);
|
|
try test__fixunstfdi(0x1.FFFFFFFFFFFFEp+62, 0x7FFFFFFFFFFFF800);
|
|
|
|
try test__fixunstfdi(-0x1.FFFFFFFFFFFFFp+62, 0);
|
|
try test__fixunstfdi(-0x1.FFFFFFFFFFFFEp+62, 0);
|
|
|
|
try test__fixunstfdi(0x1.FFFFFFFFFFFFFFFEp+63, 0xFFFFFFFFFFFFFFFF);
|
|
try test__fixunstfdi(0x1.0000000000000002p+63, 0x8000000000000001);
|
|
try test__fixunstfdi(0x1.0000000000000000p+63, 0x8000000000000000);
|
|
try test__fixunstfdi(0x1.FFFFFFFFFFFFFFFCp+62, 0x7FFFFFFFFFFFFFFF);
|
|
try test__fixunstfdi(0x1.FFFFFFFFFFFFFFF8p+62, 0x7FFFFFFFFFFFFFFE);
|
|
try test__fixunstfdi(0x1p+64, 0xFFFFFFFFFFFFFFFF);
|
|
|
|
try test__fixunstfdi(-0x1.0000000000000000p+63, 0);
|
|
try test__fixunstfdi(-0x1.FFFFFFFFFFFFFFFCp+62, 0);
|
|
try test__fixunstfdi(-0x1.FFFFFFFFFFFFFFF8p+62, 0);
|
|
}
|