twain3.0/3rdparty/hgOCR/include/ccutil/host.h

83 lines
2.3 KiB
C++

/******************************************************************************
** Filename: host.h
** Purpose: This is the system independent typedefs and defines
** Author: MN, JG, MD
**
** (c) Copyright Hewlett-Packard Company, 1988-1996.
** 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.
*/
#ifndef __HOST__
#define __HOST__
#include "platform.h"
/* _WIN32 */
#ifdef _WIN32
#include <windows.h>
#include <winbase.h> // winbase.h contains windows.h
#endif
#include <cstdint> // int32_t, ...
// definitions of portable data types (numbers and characters)
typedef SIGNED char inT8;
typedef unsigned char uinT8;
typedef short inT16;
typedef unsigned short uinT16;
typedef int inT32;
typedef unsigned int uinT32;
#if (_MSC_VER >= 1200) //%%% vkr for VC 6.0
typedef INT64 inT64;
typedef UINT64 uinT64;
#else
typedef long long int inT64;
typedef unsigned long long int uinT64;
#endif //%%% vkr for VC 6.0
typedef float FLOAT32;
typedef double FLOAT64;
typedef unsigned char BOOL8;
#define INT32FORMAT "%d"
#define INT64FORMAT "%lld"
#define MAX_INT8 0x7f
#define MAX_INT16 0x7fff
#define MAX_INT32 0x7fffffff
#define MAX_UINT8 0xff
#define MAX_UINT16 0xffff
#define MAX_UINT32 0xffffffff
#define MAX_FLOAT32 ((float)3.40282347e+38)
#define MIN_INT8 0x80
#define MIN_INT16 0x8000
#define MIN_INT32 static_cast<int>(0x80000000)
#define MIN_UINT8 0x00
#define MIN_UINT16 0x0000
#define MIN_UINT32 0x00000000
#define MIN_FLOAT32 ((float)1.17549435e-38)
// Defines
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif
// Return true if x is within tolerance of y
template<class T> bool NearlyEqual(T x, T y, T tolerance) {
T diff = x - y;
return diff <= tolerance && -diff <= tolerance;
}
#endif