cgribexGetGrid: if firstLon >= 180 sub 360.

ChangeLog

-2018-08-09  Uwe Schulzweida
+2018-08-10  Uwe Schulzweida
 
         * using CGRIBEX library version 1.9.1
 	* Version 1.9.5 released
 
+2018-08-10  Uwe Schulzweida
+
+	* cgribexGetGrid: if firstLon >= 180 sub 360
+
 2018-08-05  Uwe Schulzweida
 
 	* taxisCopyTimestep: delete target units if reference time differ (bug fix)

configure.ac

@@ -68,6 +68,8 @@ AC_CHECK_MEMBERS([struct stat.st_blksize])
 #  ----------------------------------------------------------------------
 # Checks for header files
 AC_CHECK_HEADERS([malloc.h])
+AC_CHECK_HEADERS([unistd.h])
+AC_CHECK_HEADERS([sys/time.h])
 AX_EXECINFO
 #  ----------------------------------------------------------------------
 # Checks for the availability of functions

src/stream_cgribex.c

@@ -187,7 +187,13 @@ void cgribexGetGrid(stream_t *streamptr, int *isec2, int *isec4, grid_t *grid, i
           {
             bool recompinc = true;
 
-            if ( ISEC2_LastLon < ISEC2_FirstLon ) ISEC2_LastLon += 360000;
+            if ( ISEC2_LastLon < ISEC2_FirstLon )
+              {
+                if ( ISEC2_FirstLon >= 180000 )
+                  ISEC2_FirstLon -= 360000;
+                else
+                  ISEC2_LastLon += 360000;
+              }
 
             if ( ijDirectionIncrementGiven && ISEC2_LonIncr > 0 )
               {