diff options
author | Stanislaw Halik <sthalik@misaki.pl> | 2024-01-18 17:59:14 +0100 |
---|---|---|
committer | Stanislaw Halik <sthalik@misaki.pl> | 2024-01-18 17:59:14 +0100 |
commit | 5b753ed3b632072697bdbf6912ccefcc6a22f4d0 (patch) | |
tree | d0174a6a21ff5c4e2374dce23cb1dbc07262c61f | |
parent | 68351c6de75ee4ca835c57b223335c6df4f6a9d0 (diff) |
a
-rw-r--r-- | serialize/packbits-read.cpp | 11 | ||||
-rw-r--r-- | serialize/packbits-read.hpp | 16 | ||||
-rw-r--r-- | serialize/packbits-write.hpp | 2 |
3 files changed, 21 insertions, 8 deletions
diff --git a/serialize/packbits-read.cpp b/serialize/packbits-read.cpp index d71d06ac..aa5cccfe 100644 --- a/serialize/packbits-read.cpp +++ b/serialize/packbits-read.cpp @@ -84,10 +84,8 @@ constexpr bool test4() { static_assert(lowbits<uint32_t, 17> == 0x1ffffU); - f32<17> a; - f32<14> b; - f32< 1> c; //auto tuple = std::tuple<f32<17>&, f32<14>&, f32<1>&>{a, b, c}; + f32<17> a; f32<14> b; f32< 1> c; auto tuple = std::tie(a, b, c); read_(tuple, input<uint32_t, 32>{(uint32_t)-1}, std::make_index_sequence<3>{}); fm_assert(a == lowbits<uint32_t, 17>); @@ -112,6 +110,13 @@ constexpr bool test4() //read_(std::tie(a), input<uint8_t, 8>{3}, std::index_sequence<0>{}); fm_assert(a == 3); //f8<1> d; read_(std::tie(d), input<uint8_t, 8>{1}, std::index_sequence<>{}); } + { + f8<1> a; f8<3> b; f8<2> c; + pack_read(std::tie(a, b, c), uint8_t{0b101011}); + fm_assert(a == 0b1); + fm_assert(b == 0b101); + fm_assert(c == 0b10); + } return true; } diff --git a/serialize/packbits-read.hpp b/serialize/packbits-read.hpp index 9e5f0cc8..1d7056c3 100644 --- a/serialize/packbits-read.hpp +++ b/serialize/packbits-read.hpp @@ -38,7 +38,7 @@ struct input template<size_t N> using next = typename next_<N>::type; template<size_t N> - constexpr T get() const + constexpr CORRADE_ALWAYS_INLINE T get() const { static_assert(N > 0); static_assert(N <= sizeof(T)*8); @@ -81,7 +81,7 @@ template<typename T> struct is_input_field : std::bool_constant<false> {}; template<std::unsigned_integral T, size_t N> struct is_input_field<input_field<T, N>> : std::bool_constant<true> { static_assert(N > 0); }; template<std::unsigned_integral T, typename Tuple, size_t Left, size_t I, size_t... Is> -constexpr void read_(Tuple&& tuple, input<T, Left> st, std::index_sequence<I, Is...>) +constexpr CORRADE_ALWAYS_INLINE void read_(Tuple&& tuple, input<T, Left> st, std::index_sequence<I, Is...>) { using U = std::decay_t<Tuple>; static_assert(Left <= sizeof(T)*8); @@ -99,7 +99,7 @@ constexpr void read_(Tuple&& tuple, input<T, Left> st, std::index_sequence<I, Is } template<std::unsigned_integral T, typename Tuple, size_t Left> -constexpr void read_(Tuple&&, input<T, Left> st, std::index_sequence<>) +constexpr CORRADE_ALWAYS_INLINE void read_(Tuple&&, input<T, Left> st, std::index_sequence<>) { if (!st.check_zero()) [[unlikely]] throw_on_read_nonzero(); @@ -109,6 +109,14 @@ constexpr void read_(Tuple&&, input<T, Left> st, std::index_sequence<>) namespace floormat { - +template<std::unsigned_integral T, typename Tuple> +constexpr void pack_read(Tuple&& tuple, T value) +{ + constexpr size_t nbits = sizeof(T)*8, + tuple_size = std::tuple_size_v<std::decay_t<Tuple>>; + Pack_impl::read_(std::forward<Tuple>(tuple), + Pack_impl::input<T, nbits>{value}, + std::make_index_sequence<tuple_size>{}); +} } // namespace floormat diff --git a/serialize/packbits-write.hpp b/serialize/packbits-write.hpp index 234b1632..12e202ac 100644 --- a/serialize/packbits-write.hpp +++ b/serialize/packbits-write.hpp @@ -62,7 +62,7 @@ constexpr CORRADE_ALWAYS_INLINE T write_(const Tuple&, output<T, Capacity, Left> namespace floormat { template<std::unsigned_integral T, size_t... Sizes> -constexpr T pack_write(const std::tuple<Pack_impl::output_field<T, Sizes>...>& tuple) +[[nodiscard]] constexpr T pack_write(const std::tuple<Pack_impl::output_field<T, Sizes>...>& tuple) { constexpr size_t nbits = sizeof(T)*8; return Pack_impl::write_(tuple, Pack_impl::output<T, nbits, nbits>{T{0}}, make_reverse_index_sequence<sizeof...(Sizes)>{}); |