taxis: add support for years less than zero

ChangeLog

@@ -4,6 +4,7 @@
 	* replace calendar module by a new one because of date/time problems
 	  with years < 0 [report: Veronika Gayler]
 	* add module timebase
+	* taxis: add support for years less than zero
 	* use always decode_date and encode_date to decode/encode date
 	* Version 1.0.8 released
 

src/griblib.c

 
-/* Generated automatically from m214003 on Thu Jul 19 14:54:00 CEST 2007 */
+/* Generated automatically from m214003 on Tue Jul 31 09:15:55 CEST 2007 */
+
+/* GRIBLIB_VERSION="1.0.6" */
 
 #if defined (HAVE_CONFIG_H)
 #  include "config.h"
@@ -919,7 +921,12 @@ int gribRefDate(int *isec1)
 
   ryear = ISEC1_Year;
   if ( ryear != 255 )
-    ryear = ((ISEC1_Century-1)*100 + ISEC1_Year);
+    {
+      if ( ISEC1_Century > 127 )
+	ryear = ((ISEC1_Century-1-256)*100 + ISEC1_Year);
+      else
+	ryear = ((ISEC1_Century-1)*100 + ISEC1_Year);
+    }
   else
     ryear = 1;
 
@@ -977,7 +984,12 @@ void gribDateTime(int *isec1, int *date, int *time)
   if ( ISEC1_Century )
     {
       if ( ryear != 255 )
-	ryear = ((ISEC1_Century-1)*100 + ISEC1_Year);
+	{
+	  if ( ISEC1_Century > 127 )
+	    ryear = ((ISEC1_Century-1-256)*100 + ISEC1_Year);
+	  else
+	    ryear = ((ISEC1_Century-1)*100 + ISEC1_Year);
+	}
       else
 	ryear = 1;
     }
@@ -8037,7 +8049,7 @@ int  gribUnzip(unsigned char *dbuf, long dbufsize, unsigned char *sbuf, long sbu
 
   return (gribLen);
 }
-static const char grb_libvers[] = "1.0.6" " of ""Jul 19 2007"" ""14:54:00";
+static const char grb_libvers[] = "1.0.6" " of ""Jul 31 2007"" ""09:15:56";
 
 
 

src/make_cdilib

@@ -15,10 +15,16 @@ rm -f ${PROG}
 
 DATE=`date`
 
+if test -f config.h ; then
+   CDILIBVERSION=`grep PACKAGE_VERSION config.h | cut -f3 -d" "`
+fi
+
 cat > ${PROG} << EOR
 
 /* Generated automatically from $USER on $DATE */
 
+/* CDILIB_VERSION=$CDILIBVERSION */
+
 #if  defined  (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
@@ -99,6 +105,7 @@ cat $c | grep -v '#include' >> ${PROG}
 
 if test -f config.h ; then
    cpp -P -DHAVE_CONFIG_H  version.c >>  ${PROG}
+   CDIVERSION=`grep PACKAGE_VERSION config.h | cut -f3 -d" "`
 else
    echo "error: missing config.h"
 fi

src/taxis.c

@@ -999,8 +999,11 @@ void splitTimevalue(double timevalue, int timeunit, int *date, int *time)
     {
       timevalue /= 24;
       vdate = (int) timevalue;
-      vtime = (int) ((timevalue - vdate)*1440 + 0.01);
-
+      if ( vdate < 0 )
+	vtime = (int) (-(timevalue - vdate)*1440 + 0.01);
+      else
+	vtime = (int) ((timevalue - vdate)*1440 + 0.01);
+ 
       hour   = vtime / 60;
       minute = vtime - hour*60;
       vtime  = hour*100 + minute;
@@ -1008,7 +1011,10 @@ void splitTimevalue(double timevalue, int timeunit, int *date, int *time)
   else if ( timeunit == TUNIT_DAY )
     {
       vdate = (int) timevalue;
-      vtime = (int) ((timevalue - vdate)*1440 + 0.01);
+      if ( vdate < 0 )
+	vtime = (int) (-(timevalue - vdate)*1440 + 0.01);
+      else
+	vtime = (int) ((timevalue - vdate)*1440 + 0.01);
 
       hour   = vtime / 60;
       minute = vtime - hour*60;
@@ -1052,7 +1058,10 @@ double encode_timeval(int date, int time, TAXIS *taxis)
 	{
 	  int hour   = time / 100;
 	  int minute = time - hour*100;
-	  timevalue = date + (hour*60 + minute)/1440.;
+	  if ( date < 0 )
+	    timevalue = -(-date + (hour*60 + minute)/1440.);
+	  else
+	    timevalue = date + (hour*60 + minute)/1440.;
 	}
     }
   else