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63 lines
1.6 KiB
63 lines
1.6 KiB
/*
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Copyright (C) 2002 Stefan Westerfeld
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stefan@space.twc.de
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef ARTS_TIMESTAMPMATH_H
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#define ARTS_TIMESTAMPMATH_H
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#include "artsmidi.h"
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#include <tdelibs_export.h>
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namespace Arts {
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/**
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* increments the timestamp by delta
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*/
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TDE_EXPORT void timeStampInc(TimeStamp& t, const TimeStamp& delta);
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/**
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* decrements the timestamp by delta
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*/
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void timeStampDec(TimeStamp& t, const TimeStamp& delta);
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/**
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* stringifies a timestamp
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*/
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std::string timeStampToString(const TimeStamp& t);
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/**
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* converts a timestamp to a double of seconds
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*/
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double timeStampToDouble(const TimeStamp& t);
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/**
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* converts a double of seconds to a timestamp
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*/
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TimeStamp timeStampFromDouble(double d);
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/**
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* returns the maximum of two timestamps
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*/
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TimeStamp timeStampMax(const TimeStamp& t1, const TimeStamp& t2);
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}
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#endif /* ARTS_TIMESTAMPMATH_H */
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