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31 lines
1012 B
Zig
31 lines
1012 B
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 std = @import("../std.zig");
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const assert = std.debug.assert;
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pub const Rational = @import("big/rational.zig").Rational;
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pub const int = @import("big/int.zig");
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pub const Limb = usize;
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const limb_info = @typeInfo(Limb).Int;
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pub const DoubleLimb = std.meta.Int(.unsigned, 2 * limb_info.bits);
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pub const SignedDoubleLimb = std.meta.Int(.signed, 2 * limb_info.bits);
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pub const Log2Limb = std.math.Log2Int(Limb);
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comptime {
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assert(std.math.floorPowerOfTwo(usize, limb_info.bits) == limb_info.bits);
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assert(limb_info.bits <= 64); // u128 set is unsupported
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assert(limb_info.signedness == .unsigned);
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}
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test {
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_ = int;
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_ = Rational;
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_ = Limb;
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_ = DoubleLimb;
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_ = SignedDoubleLimb;
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_ = Log2Limb;
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}
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