megenginelite-sys 1.8.2

A safe megenginelite wrapper in Rust
Documentation
/**
 * \file dnn/src/common/utils.cuh
 * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 *
 * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT ARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 */
#pragma once

#include "megdnn/arch.h"

//! a comma to be used in macro for template params
#define MEGDNN_COMMA            ,
#define MEGDNN_MARK_USED_VAR(v) static_cast<void>(v)

#if MEGDNN_ENABLE_LOGGING
#define megdnn_message_strip(x) (x)
#else
#define megdnn_message_strip(x) ("")
#endif  // MEGDNN_ENABLE_LOGGING

#define megdnn_throw(msg) \
    ::megdnn::ErrorHandler::on_megdnn_error(megdnn_message_strip(msg))
#define megdnn_throw_if(cond, err_type, msg)                                  \
    do {                                                                      \
        if (megdnn_unlikely(cond)) {                                          \
            ::megdnn::ErrorHandler::on_##err_type(megdnn_message_strip(msg)); \
        }                                                                     \
    } while (0)

//! megdnn_assert
#if MEGDNN_ENABLE_LOGGING
#if MEGDNN_ENABLE_MANGLING
#define megdnn_assert(expr, ...)                                                    \
    do {                                                                            \
        if (megdnn_unlikely(!(expr))) {                                             \
            ::megdnn::__assert_fail__(                                              \
                    "about location info, please build with debug", __LINE__, NULL, \
                    #expr, ##__VA_ARGS__);                                          \
        }                                                                           \
    } while (0)
#else
#define megdnn_assert(expr, ...)                                                    \
    do {                                                                            \
        if (megdnn_unlikely(!(expr))) {                                             \
            ::megdnn::__assert_fail__(                                              \
                    __FILE__, __LINE__, __PRETTY_FUNCTION__, #expr, ##__VA_ARGS__); \
        }                                                                           \
    } while (0)
#endif  // MEGDNN_ENABLE_MANGLING
#else
#define megdnn_assert(expr, ...)                                  \
    do {                                                          \
        if (megdnn_unlikely(!(expr))) {                           \
            ::megdnn::__assert_fail__(NULL, 0, NULL, NULL, NULL); \
        }                                                         \
    } while (0)
#endif  // MEGDNN_ENABLE_LOGGING

#define megdnn_assert_internal(expr)                        \
    do {                                                    \
        megdnn_assert(expr, "Impossible: internal error."); \
    } while (0)

#define megdnn_ignore(x) (void)(x)

namespace megdnn {

void __assert_fail__(
        const char* file, int line, const char* func, const char* expr,
        const char* msg_fmt = nullptr, ...)
#if defined(__GNUC__) || defined(__clang__)
        __attribute__((format(printf, 5, 6), noreturn))
#endif
        ;

void __dummy_printf__(const char* msg_fmt, ...)
#ifdef __GNUC__
        __attribute__((format(printf, 1, 2)))
#endif
        ;

//! typetrait, just the same as std::is_same in c++11
template <typename T, typename U>
struct is_same {
    static const bool value = false;
};

template <typename T>
struct is_same<T, T> {
    static const bool value = true;
};

}  // namespace megdnn

// vim: ft=cpp syntax=cpp.doxygen