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170 lines
6.2 KiB
C
170 lines
6.2 KiB
C
/*********************************************************************
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* Copyright 2018, University Corporation for Atmospheric Research
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* See netcdf/COPYRIGHT file for copying and redistribution conditions.
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* $Id: nctime.h,v 1.6 2010/03/18 19:24:26 russ Exp $
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*********************************************************************/
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#ifndef _NCTIME_H
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#define _NCTIME_H
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#define CU_FATAL 1 /* Exit immediately on fatal error */
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#define CU_VERBOSE 2 /* Report errors */
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struct bounds_node{
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int ncid; /* group (or file) in which variable with associated
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* bounds variable resides */
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int varid; /* has "bounds" attribute naming its bounds variable */
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char *bounds_name; /* the named variable, which stores bounds for varid */
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struct bounds_node *next; /* next node on list or NULL ifn last list node */
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};
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typedef struct bounds_node bounds_node_t;
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/*
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* This code was extracted with permission from the CDMS time
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* conversion and arithmetic routines developed by Bob Drach, Lawrence
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* Livermore National Laboratory as part of the cdtime library.
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* Changes and additions were made to support the "-t" option of the
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* netCDF ncdump utility.
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*
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* For the complete time conversion and climate calendar facilities of
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* the CDMS library, get the original sources from LLNL.
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*/
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#define CD_MAX_RELUNITS 64 /* Max characters in relative units */
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#define CD_MAX_CHARTIME 48 /* Max characters in character time */
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#define CD_NULL_DAY 1 /* Null day value */
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#define CD_NULL_HOUR 0.0 /* Null hour value */
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#define CD_NULL_ID 0 /* Reserved ID */
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#define CD_NULL_MONTH 1 /* Null month value */
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#define CD_NULL_YEAR 0 /* Null year value, component time */
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/* Why do we have same enum defined twice? */
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typedef enum CdTimeUnit {
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CdBadTimeUnit = 0,
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CdMinute = 1,
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CdHour = 2,
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CdDay = 3,
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CdWeek = 4, /* Always = 7 days */
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CdMonth = 5,
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CdSeason = 6, /* Always = 3 months */
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CdYear = 7,
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CdSecond = 8
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} CdTimeUnit;
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typedef enum cdUnitTime {
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cdBadUnit = CdBadTimeUnit,
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cdMinute = CdMinute,
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cdHour = CdHour,
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cdDay = CdDay,
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cdWeek = CdWeek, /* Always = 7 days */
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cdMonth = CdMonth,
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cdSeason = CdSeason, /* Always = 3 months */
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cdYear = CdYear,
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cdSecond = CdSecond,
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cdFraction /* Fractional part of absolute time */
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} cdUnitTime;
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#define CdChronCal 0x1
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#define CdClimCal 0x0
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#define CdBaseRel 0x00
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#define CdBase1970 0x10
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#define CdHasLeap 0x100
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#define CdNoLeap 0x000
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#define Cd366 0x2000
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#define Cd365 0x1000
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#define Cd360 0x0000
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#define CdJulianType 0x10000
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typedef enum CdTimeType {
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CdChron = ( CdChronCal | CdBase1970 | CdHasLeap | Cd365), /* 4369 */
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CdJulianCal = ( CdChronCal | CdBase1970 | CdHasLeap | Cd365 | CdJulianType),
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CdChronNoLeap = ( CdChronCal | CdBase1970 | CdNoLeap | Cd365), /* 4113 */
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CdChron360 = ( CdChronCal | CdBase1970 | CdNoLeap | Cd360), /* 17 */
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CdRel = ( CdChronCal | CdBaseRel | CdHasLeap | Cd365), /* 4353 */
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CdRelNoLeap = ( CdChronCal | CdBaseRel | CdNoLeap | Cd365), /* 4097 */
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CdClim = ( CdClimCal | CdBaseRel | CdNoLeap | Cd365), /* 4096 */
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CdClimLeap = ( CdClimCal | CdBaseRel | CdHasLeap | Cd365),
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CdClim360 = ( CdClimCal | CdBaseRel | CdNoLeap | Cd365),
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CdChron366 = ( CdChronCal | CdBase1970 | CdNoLeap | Cd366)
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} CdTimeType;
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typedef struct {
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long year; /* e.g., 1979 */
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short month; /* e.g., CdDec */
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short day; /* e.g., 30 */
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double hour; /* hour and fractional hour */
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long baseYear; /* base year for relative, 1970 for CdChron */
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CdTimeType timeType; /* e.g., CdChron */
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} CdTime;
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#define cdStandardCal 0x11
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#define cdClimCal 0x0
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#define cdHasLeap 0x100
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#define cdHasNoLeap 0x000
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#define cd366Days 0x2000
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#define cd365Days 0x1000
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#define cd360Days 0x0000
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#define cdJulianCal 0x10000
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#define cdMixedCal 0x20000
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typedef enum cdCalenType {
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cdStandard = ( cdStandardCal | cdHasLeap | cd365Days),
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cdJulian = ( cdStandardCal | cdHasLeap | cd365Days | cdJulianCal),
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cdNoLeap = ( cdStandardCal | cdHasNoLeap | cd365Days),
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cd360 = ( cdStandardCal | cdHasNoLeap | cd360Days),
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cd366 = ( cdStandardCal | cdHasNoLeap | cd366Days),
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cdClim = ( cdClimCal | cdHasNoLeap | cd365Days),
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cdClimLeap = ( cdClimCal | cdHasLeap | cd365Days),
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cdClim360 = ( cdClimCal | cdHasNoLeap | cd360Days),
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cdMixed = ( cdStandardCal | cdHasLeap | cd365Days | cdMixedCal)
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} cdCalenType;
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/* Component time */
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typedef struct {
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long year; /* Year */
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short month; /* Numerical month (1..12) */
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short day; /* Day of month (1..31) */
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double hour; /* Hour and fractional hours */
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} cdCompTime;
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typedef struct {
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long count; /* units count */
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CdTimeUnit units; /* time interval units */
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} CdDeltaTime;
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typedef struct timeinfo_t {
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cdCalenType calendar;
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cdUnitTime unit;
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char *units;
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cdCompTime origin;
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} timeinfo_t;
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#if defined(DLL_NETCDF) /* Defined when library is a DLL */
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# if defined(DLL_EXPORT) /* define when building the library. */
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# define MSC_NCTIME_EXTRA __declspec(dllexport)
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# else
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# define MSC_NCTIME_EXTRA __declspec(dllimport)
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# endif
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MSC_NCTIME_EXTRA extern void cdRel2Iso(cdCalenType timetype, char* relunits, int separator, double reltime, char* chartime);
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MSC_NCTIME_EXTRA extern void cdChar2Comp(cdCalenType timetype, char* chartime, cdCompTime* comptime);
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MSC_NCTIME_EXTRA extern void Cdh2e(CdTime *htime, double *etime);
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MSC_NCTIME_EXTRA extern void Cde2h(double etime, CdTimeType timeType, long baseYear, CdTime *htime);
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MSC_NCTIME_EXTRA extern int cdParseRelunits(cdCalenType timetype, char* relunits, cdUnitTime* unit, cdCompTime* base_comptime);
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MSC_NCTIME_EXTRA extern int cdSetErrOpts(int opts);
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#else
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extern void cdRel2Iso(cdCalenType timetype, char* relunits, int separator, double reltime, char* chartime);
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extern void cdChar2Comp(cdCalenType timetype, char* chartime, cdCompTime* comptime);
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extern void Cdh2e(CdTime *htime, double *etime);
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extern void Cde2h(double etime, CdTimeType timeType, long baseYear, CdTime *htime);
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extern int cdParseRelunits(cdCalenType timetype, char* relunits, cdUnitTime* unit, cdCompTime* base_comptime);
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extern int cdSetErrOpts(int opts);
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#endif /* DLL Considerations. */
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#endif /* ifdef */
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