tTime_Calendar.hh - pism - [fork] customized build of PISM, the parallel ice sheet model (tillflux branch)
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tTime_Calendar.hh (3159B)
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1 // Copyright (C) 2012, 2013, 2014, 2015, 2017 PISM Authors
2 //
3 // This file is part of PISM.
4 //
5 // PISM is free software; you can redistribute it and/or modify it under the
6 // terms of the GNU General Public License as published by the Free Software
7 // Foundation; either version 3 of the License, or (at your option) any later
8 // version.
9 //
10 // PISM is distributed in the hope that it will be useful, but WITHOUT ANY
11 // WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
12 // FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
13 // details.
14 //
15 // You should have received a copy of the GNU General Public License
16 // along with PISM; if not, write to the Free Software
17 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18
19 #ifndef _PISMGREGORIANTIME_H_
20 #define _PISMGREGORIANTIME_H_
21
22 #include "Time.hh"
23 #include "Units.hh"
24
25 namespace pism {
26
27 class Time_Calendar : public Time
28 {
29 public:
30 Time_Calendar(MPI_Comm c, Config::ConstPtr conf,
31 const std::string &calendar,
32 units::System::Ptr units_system);
33 virtual ~Time_Calendar();
34
35 virtual void init(const Logger &log);
36
37 virtual void init_from_file(const std::string &filename, const Logger &log,
38 bool set_start_time);
39
40 virtual void init_from_input_file(const File &nc,
41 const std::string &time_name,
42 const Logger &log);
43
44 virtual double mod(double time, unsigned int) const;
45
46 virtual double year_fraction(double T) const;
47
48 virtual std::string date(double T) const;
49
50 virtual std::string date() const;
51
52 virtual std::string start_date() const;
53
54 virtual std::string end_date() const;
55
56 virtual std::string units_string() const {
57 return CF_units_string();
58 }
59
60 virtual std::string CF_units_string() const {
61 return m_time_units.format();
62 }
63
64 virtual std::string CF_units_to_PISM_units(const std::string &input) const {
65 return input; // return unchanged CF units
66 }
67
68 virtual bool use_reference_date() {
69 return true;
70 }
71
72 virtual double calendar_year_start(double T) const;
73
74 virtual double increment_date(double T, int years) const;
75
76 protected:
77 virtual void compute_times(double time_start, double delta, double time_end,
78 const std::string &keyword,
79 std::vector<double> &result) const;
80
81 virtual bool process_ys(double &result);
82 virtual bool process_y(double &result);
83 virtual bool process_ye(double &result);
84
85 virtual void parse_date(const std::string &spec, double *result) const;
86
87 virtual void parse_interval_length(const std::string &spec,
88 std::string &keyword, double *result) const;
89
90 void compute_times_monthly(std::vector<double> &result) const;
91
92 void compute_times_yearly(std::vector<double> &result) const;
93 private:
94 MPI_Comm m_com;
95 // Hide copy constructor / assignment operator.
96 Time_Calendar(Time_Calendar const &);
97 Time_Calendar & operator=(Time_Calendar const &);
98 };
99
100
101 } // end of namespace pism
102
103 #endif /* _PISMGREGORIANTIME_H_ */