tiny.simd.isNegative

1pub fn isNegative(comptime D: type, value: D.Vector) D.Mask {2    const info = @typeInfo(D.Lane);3    if (info != .float and (info != .int or info.int.signedness != .signed)) {4        @compileError("isNegative requires signed integer or floating-point lanes");5    }6    const U = @Int(.unsigned, @bitSizeOf(D.Lane));7    const UV = @Vector(D.lane_count, U);8    const bits: UV = @bitCast(value);9    const sign: UV = @splat(@as(U, 1) << (@bitSizeOf(D.Lane) - 1));10    return bits & sign != @as(UV, @splat(0));11}

1pub const isNegative = compare.isNegative;