MonetDB: mosaic - Small admin fix.

[Martin Kersten]

Changeset: 1eddfe831ac2 for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=1eddfe831ac2
Modified Files:
        monetdb5/modules/mal/mosaic_delta.c
Branch: mosaic
Log Message:

Small admin fix.


diffs (39 lines):

diff --git a/monetdb5/modules/mal/mosaic_delta.c 
b/monetdb5/modules/mal/mosaic_delta.c
--- a/monetdb5/modules/mal/mosaic_delta.c
+++ b/monetdb5/modules/mal/mosaic_delta.c
@@ -82,7 +82,7 @@ MOSskip_delta(Client cntxt, MOStask task
 // append a series of values into the non-compressed block
 #define Estimate_delta(TYPE, EXPR)\
 {      TYPE *v = ((TYPE*)task->src) + task->start, val= *v, delta = 0;\
-       for(v++,i =1; i<task->stop; i++,v++){\
+       for(v++,i =1; i<task->stop - task->start; i++,v++){\
                delta = *v -val;\
                if ( EXPR)\
                        break;\
@@ -118,7 +118,7 @@ MOSestimate_delta(Client cntxt, MOStask 
        break;
        case TYPE_int:
                {       int *v = ((int*)task->src) + task->start, val= *v, 
delta=0;
-                       for(v++,i =1; i<task->stop; i++,v++){
+                       for(v++,i =1; i<task->stop - task->start; i++,v++){
                                delta = *v -val;
                                if ( delta < -127 || delta >127)
                                        break;
@@ -137,7 +137,7 @@ MOSestimate_delta(Client cntxt, MOStask 
 
 #define DELTAcompress(TYPE,EXPR)\
 {      TYPE *v = ((TYPE*)task->src) + task->start, val= *v, delta =0;\
-       BUN limit = task->stop - task->start > MOSlimit()? task->start + 
MOSlimit():task->stop;\
+       BUN limit = task->stop - task->start > MOSlimit()? 
MOSlimit():task->stop - task->start;\
        task->dst = ((char*) task->blk) + MosaicBlkSize;\
        *(TYPE*)task->dst = val;\
        task->dst += sizeof(TYPE);\
@@ -172,7 +172,7 @@ MOScompress_delta(Client cntxt, MOStask 
 #endif
        case TYPE_lng:
                {       lng *v = ((lng*)task->src) + task->start, val= *v, 
delta;
-                       BUN limit = task->stop - task->start > MOSlimit()? 
task->start + MOSlimit():task->stop;
+                       BUN limit = task->stop - task->start > MOSlimit()? 
MOSlimit():task->stop - task->start;
                        task->dst = ((char*) task->blk) + MosaicBlkSize;
                        *(lng*)task->dst = val;
                        task->dst += sizeof(lng);
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