From bug-octave-request at bevo dot che dot wisc dot edu  Thu Nov 16 11:25:09 2000
Subject: date manipulation
From: "John W. Eaton" <jwe at bevo dot che dot wisc dot edu>
To: Paul Kienzle <pkienzle at kienzle dot powernet dot co dot uk>
Cc: bug-octave at bevo dot che dot wisc dot edu
Date: Thu, 16 Nov 2000 11:24:59 -0600

I applied this patch.

Thanks,

jwe


On  8-Nov-2000, Paul Kienzle <pkienzle at kienzle dot powernet dot co dot uk> wrote:

| >From the mktime() manual page:
| 
|        The  mktime()  function converts a broken-down time structure,
|        expressed as local time, to calendar time representation.
| 
| 	  <snip>
| 
|        If structure members are outside  their	legal interval, they
|        will be normalized (so that, e.g., 40 October is changed into
|        9 November).
| 
| You might want this to add one day, one week or one month to the current
| day without worrying about whether this puts you into the next month or
| year.  However, Octave explicitly limits the range on the fields of the
| time structure so that you cannot make use of this behaviour.  The attached 
| patch against 2.1.31 removes the range limits from liboctave/oct-time.cc.
| 
| 
| *** liboctave/oct-time.cc	2000/10/05 09:33:32	1.1
| --- liboctave/oct-time.cc	2000/11/07 10:19:03
| *************** octave_time::stamp (void)
| *** 128,133 ****
| --- 128,134 ----
|   #endif
|   }
|   
| + #if 0
|   #define DEFINE_SET_INT_FIELD_FCN(f, lo, hi) \
|     octave_base_tm& \
|     octave_base_tm::f (int v) \
| *************** octave_time::stamp (void)
| *** 140,145 ****
| --- 141,156 ----
|    \
|       return *this; \
|     }
| + #else
| + #define DEFINE_SET_INT_FIELD_FCN(f, lo, hi) \
| +   octave_base_tm& \
| +   octave_base_tm::f (int v) \
| +   { \
| +     tm_ ## f = v; \
| +  \
| +     return *this; \
| +   }
| + #endif
|   
|   DEFINE_SET_INT_FIELD_FCN (usec, 0, 1000000)
|   DEFINE_SET_INT_FIELD_FCN (sec, 0, 61)



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