macros.h

/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License. */

#pragma once
#include <cfloat>

// Disable the copy and assignment operator for a class.
#ifndef DISABLE_COPY_AND_ASSIGN
#define DISABLE_COPY_AND_ASSIGN(classname)         \
 private:                                          \
  classname(const classname&) = delete;            \
  classname(classname&&) = delete;                 \
  classname& operator=(const classname&) = delete; \
  classname& operator=(classname&&) = delete
#endif

#if defined(__FLT_MAX__)
#define FLT_MAX __FLT_MAX__
#endif  // __FLT_MAX__

#ifdef _WIN32
#if defined(PADDLE_COMPILE)
// by default, msvc has predefined macro _LIB for static library
// only shared library need to export and import symbols
// static library export all symbols by default.
#define PADDLE_DLL __declspec(dllexport)
#else
#define PADDLE_DLL __declspec(dllimport)
#endif
#else
#define PADDLE_DLL
#endif