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52 lines
2.0 KiB
Zig
52 lines
2.0 KiB
Zig
// SPDX-License-Identifier: MIT
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// Copyright (c) 2015-2021 Zig Contributors
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// This file is part of [zig](https://ziglang.org/), which is MIT licensed.
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// The MIT license requires this copyright notice to be included in all copies
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// and substantial portions of the software.
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const __fixunsdfti = @import("fixunsdfti.zig").__fixunsdfti;
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const testing = @import("std").testing;
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fn test__fixunsdfti(a: f64, expected: u128) !void {
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const x = __fixunsdfti(a);
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try testing.expect(x == expected);
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}
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test "fixunsdfti" {
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try test__fixunsdfti(0.0, 0);
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try test__fixunsdfti(0.5, 0);
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try test__fixunsdfti(0.99, 0);
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try test__fixunsdfti(1.0, 1);
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try test__fixunsdfti(1.5, 1);
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try test__fixunsdfti(1.99, 1);
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try test__fixunsdfti(2.0, 2);
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try test__fixunsdfti(2.01, 2);
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try test__fixunsdfti(-0.5, 0);
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try test__fixunsdfti(-0.99, 0);
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try test__fixunsdfti(-1.0, 0);
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try test__fixunsdfti(-1.5, 0);
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try test__fixunsdfti(-1.99, 0);
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try test__fixunsdfti(-2.0, 0);
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try test__fixunsdfti(-2.01, 0);
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try test__fixunsdfti(0x1.FFFFFEp+62, 0x7FFFFF8000000000);
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try test__fixunsdfti(0x1.FFFFFCp+62, 0x7FFFFF0000000000);
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try test__fixunsdfti(-0x1.FFFFFEp+62, 0);
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try test__fixunsdfti(-0x1.FFFFFCp+62, 0);
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try test__fixunsdfti(0x1.FFFFFFFFFFFFFp+63, 0xFFFFFFFFFFFFF800);
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try test__fixunsdfti(0x1.0000000000000p+63, 0x8000000000000000);
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try test__fixunsdfti(0x1.FFFFFFFFFFFFFp+62, 0x7FFFFFFFFFFFFC00);
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try test__fixunsdfti(0x1.FFFFFFFFFFFFEp+62, 0x7FFFFFFFFFFFF800);
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try test__fixunsdfti(0x1.FFFFFFFFFFFFFp+127, 0xFFFFFFFFFFFFF8000000000000000000);
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try test__fixunsdfti(0x1.0000000000000p+127, 0x80000000000000000000000000000000);
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try test__fixunsdfti(0x1.FFFFFFFFFFFFFp+126, 0x7FFFFFFFFFFFFC000000000000000000);
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try test__fixunsdfti(0x1.FFFFFFFFFFFFEp+126, 0x7FFFFFFFFFFFF8000000000000000000);
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try test__fixunsdfti(0x1.0000000000000p+128, 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF);
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try test__fixunsdfti(-0x1.FFFFFFFFFFFFFp+62, 0);
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try test__fixunsdfti(-0x1.FFFFFFFFFFFFEp+62, 0);
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}
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