tesseract 4.1.1
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host.h
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1/******************************************************************************
2 ** Filename: host.h
3 ** Purpose: This is the system independent typedefs and defines
4 ** Author: MN, JG, MD
5 **
6 ** (c) Copyright Hewlett-Packard Company, 1988-1996.
7 ** Licensed under the Apache License, Version 2.0 (the "License");
8 ** you may not use this file except in compliance with the License.
9 ** You may obtain a copy of the License at
10 ** http://www.apache.org/licenses/LICENSE-2.0
11 ** Unless required by applicable law or agreed to in writing, software
12 ** distributed under the License is distributed on an "AS IS" BASIS,
13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 ** See the License for the specific language governing permissions and
15 ** limitations under the License.
16 */
17
18#ifndef TESSERACT_CCUTIL_HOST_H_
19#define TESSERACT_CCUTIL_HOST_H_
20
21#include <limits>
22#include "platform.h"
23/* _WIN32 */
24#ifdef _WIN32
25# ifndef NOMINMAX
26# define NOMINMAX
27# endif /* NOMINMAX */
28# ifndef WIN32_LEAN_AND_MEAN
29# define WIN32_LEAN_AND_MEAN
30# endif
31#include <windows.h>
32#undef min
33#undef max
34#endif // _WIN32
35
36// Return true if x is within tolerance of y
37template<class T> bool NearlyEqual(T x, T y, T tolerance) {
38 T diff = x - y;
39 return diff <= tolerance && -diff <= tolerance;
40}
41
42#endif // TESSERACT_CCUTIL_HOST_H_
bool NearlyEqual(T x, T y, T tolerance)
Definition: host.h:37