mirror of
https://github.com/pocketpy/pocketpy
synced 2025-10-30 16:30:16 +00:00
143 lines
3.8 KiB
C++
143 lines
3.8 KiB
C++
/***************************************************************************
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* Copyright (c) Johan Mabille, Sylvain Corlay and Wolf Vollprecht *
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* Copyright (c) QuantStack *
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* *
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* Distributed under the terms of the BSD 3-Clause License. *
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* *
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* The full license is in the file LICENSE, distributed with this software. *
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****************************************************************************/
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#ifndef XTENSOR_INFO_HPP
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#define XTENSOR_INFO_HPP
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#include <string>
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#include "xlayout.hpp"
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#ifndef _MSC_VER
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#if __cplusplus < 201103
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#define CONSTEXPR11_TN
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#define CONSTEXPR14_TN
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#define NOEXCEPT_TN
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#elif __cplusplus < 201402
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#define CONSTEXPR11_TN constexpr
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#define CONSTEXPR14_TN
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#define NOEXCEPT_TN noexcept
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#else
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#define CONSTEXPR11_TN constexpr
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#define CONSTEXPR14_TN constexpr
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#define NOEXCEPT_TN noexcept
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#endif
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#else // _MSC_VER
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#if _MSC_VER < 1900
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#define CONSTEXPR11_TN
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#define CONSTEXPR14_TN
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#define NOEXCEPT_TN
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#elif _MSC_VER < 2000
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#define CONSTEXPR11_TN constexpr
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#define CONSTEXPR14_TN
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#define NOEXCEPT_TN noexcept
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#else
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#define CONSTEXPR11_TN constexpr
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#define CONSTEXPR14_TN constexpr
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#define NOEXCEPT_TN noexcept
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#endif
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#endif
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namespace xt
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{
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// see http://stackoverflow.com/a/20170989
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struct static_string
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{
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template <std::size_t N>
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explicit CONSTEXPR11_TN static_string(const char (&a)[N]) NOEXCEPT_TN : data(a),
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size(N - 1)
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{
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}
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CONSTEXPR11_TN static_string(const char* a, const std::size_t sz) NOEXCEPT_TN : data(a),
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size(sz)
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{
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}
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const char* const data;
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const std::size_t size;
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};
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template <class T>
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CONSTEXPR14_TN static_string type_name()
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{
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#ifdef __clang__
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static_string p(__PRETTY_FUNCTION__);
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return static_string(p.data + 39, p.size - 39 - 1);
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#elif defined(__GNUC__)
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static_string p(__PRETTY_FUNCTION__);
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#if __cplusplus < 201402
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return static_string(p.data + 36, p.size - 36 - 1);
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#else
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return static_string(p.data + 54, p.size - 54 - 1);
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#endif
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#elif defined(_MSC_VER)
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static const static_string p(__FUNCSIG__);
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return static_string(p.data + 47, p.size - 47 - 7);
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#endif
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}
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template <class T>
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std::string type_to_string()
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{
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static_string static_name = type_name<T>();
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return std::string(static_name.data, static_name.size);
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}
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template <class T>
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std::string info(const T& t)
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{
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std::string s;
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s += "\nValue type: " + type_to_string<typename T::value_type>();
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s += "\nLayout: ";
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if (t.layout() == layout_type::row_major)
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{
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s += "row_major";
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}
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else if (t.layout() == layout_type::column_major)
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{
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s += "column_major";
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}
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else if (t.layout() == layout_type::dynamic)
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{
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s += "dynamic";
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}
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else
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{
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s += "any";
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}
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s += "\nShape: (";
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bool first = true;
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for (const auto& el : t.shape())
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{
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if (!first)
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{
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s += ", ";
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}
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first = false;
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s += std::to_string(el);
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}
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s += ")\nStrides: (";
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first = true;
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for (const auto& el : t.strides())
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{
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if (!first)
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{
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s += ", ";
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}
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first = false;
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s += std::to_string(el);
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}
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s += ")\nSize: " + std::to_string(t.size()) + "\n";
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return s;
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}
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}
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#endif
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