pybind11/detail/common.h

159 #define PYBIND11_LONG_FROM_UNSIGNED(o) PyLong_FromSize_t((size_t) o)
185 #define PYBIND11_LONG_FROM_UNSIGNED(o) PyInt_FromSize_t((size_t) o) // Returns long if needed.
220         size_t len = std::strlen(compiled_ver);                                \
299 using size_t  = std::size_t;
355 inline static constexpr int log2(size_t n, int k = 0) { return (n <= 1) ? k : log2(n >> 1, k + 1); }
358 inline static constexpr size_t size_in_ptrs(size_t s) { return 1 + ((s - 1) >> log2(sizeof(void *))); }
366 constexpr size_t instance_simple_holder_in_ptrs() {
460 template<size_t ...> struct index_sequence  { };
461 template<size_t N, size_t ...S> struct make_index_sequence_impl : make_index_sequence_impl <N - 1, N - 1, S...> { };
462 template<size_t ...S> struct make_index_sequence_impl <0, S...> { typedef index_sequence<S...> type; };
463 template<size_t N> using make_index_sequence = typename make_index_sequence_impl<N>::type;
467 template <typename ISeq, size_t, bool...> struct select_indices_impl { using type = ISeq; };
468 template <size_t... IPrev, size_t I, bool B, bool... Bs> struct select_indices_impl<index_sequence<IPrev...>, I, B, Bs...>
512 template <typename T, size_t N> struct intrinsic_type<const T[N]> { typedef typename intrinsic_type<T>::type type; };
513 template <typename T, size_t N> struct intrinsic_type<T[N]>       { typedef typename intrinsic_type<T>::type type; };
524 template <typename... Ts> constexpr size_t constexpr_sum(Ts... ns) { return (0 + ... + size_t{ns}); }
526 constexpr size_t constexpr_sum() { return 0; }
528 constexpr size_t constexpr_sum(T n, Ts... ns) { return size_t{n} + constexpr_sum(ns...); }
552 template <size_t N, typename T, typename... Ts>