// ----------------------------------------------------------------------------
// -                        Open3D: www.open3d.org                            -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2023 www.open3d.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------

#pragma once

// This C/C++ header is compatible with ISPC.
// Variadic macros, i.e. ellipsis (...) and __VA_ARGS__ are also supported.
#include "open3d/utility/Preprocessor.h"

/// CHAR_BIT
///
/// The number of bits per byte.
#define CHAR_BIT 8

/// Enable C/C++ fixed size integer types.
typedef uint8 uint8_t;
typedef int8 int8_t;
typedef uint16 uint16_t;
typedef int16 int16_t;
typedef uint32 uint32_t;
typedef int32 int32_t;
typedef uint64 uint64_t;
typedef int64 int64_t;

/// OPEN3D_ENSURE_EXPORTED(StructOrEnum)
///
/// Ensures that the provided struct or enum is exported to the C++ side.
///
/// This is useful if no other exported function directly or indirectly
/// references the struct or enum via its arguments.
#define OPEN3D_ENSURE_EXPORTED(StructOrEnum) \
    export void OPEN3D_CONCAT(               \
            DummyToEnsureExported_,          \
            OPEN3D_CONCAT(StructOrEnum, _))(uniform StructOrEnum * uniform) {}