Zig 0.17.0-dev (Split by item)

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Mat

ml_kem.Mat

fn Mat(comptime k: u8) type

File

lib/std/crypto/ml_kem.zig:1393

Code

fn Mat(comptime k: u8) type {
    return struct {
        const Self = @This();
        rows: [k]PolyVec(k),

        fn uniform(seed: [32]u8, comptime transposed: bool) Self {
            var ret: Self = undefined;
            var i: u8 = 0;
            while (i < k) : (i += 1) {
                var j: u8 = 0;
                while (j < k) : (j += 1) {
                    ret.rows[i].ps[j] = Poly.uniform(
                        seed,
                        if (transposed) i else j,
                        if (transposed) j else i,
                    );
                }
            }
            return ret;
        }

        // Returns transpose of A
        fn transpose(m: Self) Self {
            var ret: Self = undefined;
            for (0..k) |i| {
                for (0..k) |j| {
                    ret.rows[i].ps[j] = m.rows[j].ps[i];
                }
            }
            return ret;
        }
    };
}