tesseract  5.0.0-alpha-619-ge9db
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 <tesseract/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
37 template<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_
NearlyEqual
bool NearlyEqual(T x, T y, T tolerance)
Definition: host.h:36
platform.h