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Diffstat (limited to 'tesseract/src/ccutil/host.h')
-rw-r--r-- | tesseract/src/ccutil/host.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/tesseract/src/ccutil/host.h b/tesseract/src/ccutil/host.h new file mode 100644 index 00000000..5e766ae8 --- /dev/null +++ b/tesseract/src/ccutil/host.h @@ -0,0 +1,57 @@ +/****************************************************************************** + ** 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 TESSERACT_CCUTIL_HOST_H_ +#define TESSERACT_CCUTIL_HOST_H_ + +#include <tesseract/export.h> + +#include <climits> +#include <limits> + +/* _WIN32 */ +#ifdef _WIN32 +# ifndef NOMINMAX +# define NOMINMAX +# endif /* NOMINMAX */ +# ifndef WIN32_LEAN_AND_MEAN +# define WIN32_LEAN_AND_MEAN +# endif +#include <windows.h> +#undef min +#undef max +#endif // _WIN32 + +#ifndef _WIN32 +# ifndef PATH_MAX +# define MAX_PATH 4096 +# else +# define MAX_PATH PATH_MAX +# endif +#endif + +namespace tesseract { + +// 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; +} + +} // namespace tesseract + +#endif // TESSERACT_CCUTIL_HOST_H_ |