Meg's Mirrors

zig

1	const std = @import("../std.zig");
2	const assert = std.debug.assert;
3
4	pub const int = @import("big/int.zig");
5	pub const Limb = usize;
6	const limb_info = @typeInfo(Limb).int;
7	pub const SignedLimb = @Int(.signed, limb_info.bits);
8	pub const DoubleLimb = @Int(.unsigned, 2 * limb_info.bits);
9	pub const HalfLimb = @Int(.unsigned, limb_info.bits / 2);
10	pub const SignedDoubleLimb = @Int(.signed, 2 * limb_info.bits);
11	pub const Log2Limb = std.math.Log2Int(Limb);
12
13	comptime {
14	assert(std.math.floorPowerOfTwo(usize, limb_info.bits) == limb_info.bits);
15	assert(limb_info.signedness == .unsigned);
16	}
17
18	test {
19	_ = int;
20	_ = Limb;
21	_ = SignedLimb;
22	_ = DoubleLimb;
23	_ = SignedDoubleLimb;
24	_ = Log2Limb;
25	}