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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@27425 a592a061-630c-0410-9148-cb99ea01b6c8
41 lines
889 B
C++
41 lines
889 B
C++
// -*- C++ -*-
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/**
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* \file lyxlib.h
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* A selection of useful system functions made
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* handy for C++ usage.
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*
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* \author Lars Gullik Bjønnes
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*
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* Full author contact details are available in file CREDITS.
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*/
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#ifndef LYX_LIB_H
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#define LYX_LIB_H
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namespace lyx {
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namespace support {
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/// FIXME: some point to this hmm ?
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int kill(int pid, int sig);
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/**
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* Returns true if var is approximately equal to number with allowed error
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* of 'error'.
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*
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* Usage: if (float_equal(var, number, 0.0001)) { }
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*
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* This will check if 'var' is approx. equal to 'number' with error of 1/1000
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*/
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inline bool float_equal(double var, double number, double error)
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{
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return (number - error <= var && var <= number + error);
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}
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} // namespace support
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} // namespace lyx
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#endif /* LYX_LIB_H */
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