source: XIOS/trunk/src/interface/c/icduration.cpp @ 545

Last change on this file since 545 was 545, checked in by rlacroix, 9 years ago

Expose the calendar operations through the Fortran interface.

  • Add arithmetic operations on the xios_duration and xios_date types:
    • xios_duration + xios_duration = xios_duration
    • xios_duration - xios_duration = xios_duration
    • scalar * xios_duration = xios_duration * scalar = xios_duration
    • - xios_duration = xios_duration
    • xios_date + xios_duration = xios_date
    • xios_date - xios_duration = xios_date
    • xios_date - xios_date = xios_duration
  • Add comparison operations on the xios_duration and xios_date types:
    • xios_duration: ==, /=
    • xios_date: ==, /=, <, <=, >, >=
  • Add a new function "xios_date_convert_to_seconds" to convert a date into the number of seconds since the time origin of the calendar
  • Define some constant durations "xios_second", "xios_minute", "xios_hour", "xios_day", "xios_month", "xios_year" et "xios_timestep" to ease the definition of new durations (for example, 10h is just 10 * xios_hour)
  • Add a new function "xios_set_calendar" so that one can manually create the calendar attached to the current context and thus use the calendar operations before calling "xios_close_context_definition". This function can accept optional parameters so that the calendar attributes (calendar_type, start_date, time_origin and timestep) can be easily overwritten. Note that you cannot define a new calendar after one was already created (either because "xios_set_calendar" or "xios_close_context_definition" was used)
  • Readd the function "xios_set_timestep" as a simplified alias of "xios_set_context_attr(context, timestep)" for the current context
File size: 2.9 KB
Line 
1#include "icdate.hpp"
2#include "calendar_util.hpp"
3
4extern "C"
5{
6  cxios_duration cxios_duration_add(cxios_duration dur1_c, cxios_duration dur2_c)
7  {
8    xios::CDuration dur1 = { dur1_c.year, dur1_c.month, dur1_c.day,
9                             dur1_c.hour, dur1_c.minute, dur1_c.second,
10                             dur1_c.timestep };
11    xios::CDuration dur2 = { dur2_c.year, dur2_c.month, dur2_c.day,
12                             dur2_c.hour, dur2_c.minute, dur2_c.second,
13                             dur2_c.timestep };
14    xios::CDuration res = dur1 + dur2;
15    return { res.year, res.month, res.day, res.hour, res.minute, res.second, res.timestep };
16  }
17
18  cxios_duration cxios_duration_sub(cxios_duration dur1_c, cxios_duration dur2_c)
19  {
20    xios::CDuration dur1 = { dur1_c.year, dur1_c.month, dur1_c.day,
21                             dur1_c.hour, dur1_c.minute, dur1_c.second,
22                             dur1_c.timestep };
23    xios::CDuration dur2 = { dur2_c.year, dur2_c.month, dur2_c.day,
24                             dur2_c.hour, dur2_c.minute, dur2_c.second,
25                             dur2_c.timestep };
26    xios::CDuration res = dur1 - dur2;
27    return { res.year, res.month, res.day, res.hour, res.minute, res.second, res.timestep };
28  }
29
30  cxios_duration cxios_duration_mult(double val, cxios_duration dur_c)
31  {
32    xios::CDuration dur = { dur_c.year, dur_c.month, dur_c.day,
33                            dur_c.hour, dur_c.minute, dur_c.second,
34                            dur_c.timestep };
35    xios::CDuration res = val * dur;
36    return { res.year, res.month, res.day, res.hour, res.minute, res.second, res.timestep };
37  }
38
39  cxios_duration cxios_duration_neg(cxios_duration dur_c)
40  {
41    xios::CDuration dur = { dur_c.year, dur_c.month, dur_c.day,
42                            dur_c.hour, dur_c.minute, dur_c.second,
43                            dur_c.timestep };
44    xios::CDuration res = -dur;
45    return { res.year, res.month, res.day, res.hour, res.minute, res.second, res.timestep };
46  }
47
48  bool cxios_duration_eq(cxios_duration dur1_c, cxios_duration dur2_c)
49  {
50    xios::CDuration dur1 = { dur1_c.year, dur1_c.month, dur1_c.day,
51                             dur1_c.hour, dur1_c.minute, dur1_c.second,
52                             dur1_c.timestep };
53    xios::CDuration dur2 = { dur2_c.year, dur2_c.month, dur2_c.day,
54                             dur2_c.hour, dur2_c.minute, dur2_c.second,
55                             dur2_c.timestep };
56    return (dur1 == dur2);
57  }
58
59  bool cxios_duration_neq(cxios_duration dur1_c, cxios_duration dur2_c)
60  {
61    xios::CDuration dur1 = { dur1_c.year, dur1_c.month, dur1_c.day,
62                             dur1_c.hour, dur1_c.minute, dur1_c.second,
63                             dur1_c.timestep };
64    xios::CDuration dur2 = { dur2_c.year, dur2_c.month, dur2_c.day,
65                             dur2_c.hour, dur2_c.minute, dur2_c.second,
66                             dur2_c.timestep };
67    return (dur1 != dur2);
68  }
69}
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