oldTStamp.h

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/*********************************************************************
** Copyright (c) 1992-2010 VT MAK
** All rights reserved.
*********************************************************************/


#ifndef oldTStamp_H_
#define oldTStamp_H_

#include <vlutil/vlTime.h>

#define DtRELATIVE 0
#define DtABSOLUTE 1

const double DtHourFracPerHour = 2147483648.0;      /* (1L<<31) */
const double DtHourPerHourFrac = 1.0/2147483648.0;  /* but SPARCcompiler 
                       * chokes on that */
DT_DLL_VLPROTIND DtU32 DtTimeStampNow(int relOrAbs = DtRELATIVE);
DT_DLL_VLPROTIND DtU32 DtMakeTimeStamp(DtTime time, int relativeOrAbs = DtRELATIVE);

inline int DtAbsoluteHourFrac(DtU32 hourFrac) { return ((int)(hourFrac & 1)); }
inline DtU32 DtSetAbsoluteHourFrac(DtU32 hourFrac) { return hourFrac | 1; }

inline double DtHourFrac2Hour(DtU32 hourFrac) 
{ return (hourFrac >> 1) * DtHourPerHourFrac; }

inline double DtHourFrac2Sec(DtU32 hourFrac) 
{ return DtHourFrac2Hour(hourFrac) * DtHour2Sec; }

inline DtU32 DtHour2HourFrac(double hour) 
{ return (DtU32)(hour * DtHourFracPerHour) << 1; }

inline DtU32 DtSec2HourFrac(double sec) 
{ return DtHour2HourFrac(sec * DtSec2Hour); }

#endif