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lround should be more correct than round since we expect a long int in return

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git-svn-id: http://svn.osgeo.org/postgis/trunk@12320 b70326c6-7e19-0410-871a-916f4a2858ee
This commit is contained in:
Nicklas Avén 2014-03-10 20:08:51 +00:00
parent 20397117bb
commit 9debe15b95
1 changed files with 2 additions and 2 deletions
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4
liblwgeom/lwout_twkb.c
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@ -281,7 +281,7 @@ static size_t ptarray_to_twkb_size_m1(const POINTARRAY *pa, uint8_t variant,int
for ( j = 0; j < dims; j++ )
{
LWDEBUGF(4, "dim nr %d, refvalue is %d",j, accum_rel[j]);
r=(int64_t) round(factor*dbl_ptr[j]-accum_rel[j]);
r=(int64_t) lround(factor*dbl_ptr[j]-accum_rel[j]);
accum_rel[j]+=r;
size += s_getvarint_size((int64_t) r);
LWDEBUGF(4, "deltavalue = %d and resulting refvalue is %d",r,accum_rel[j]);
@ -340,7 +340,7 @@ static uint8_t* ptarray_to_twkb_buf_m1(const POINTARRAY *pa, uint8_t *buf, uint8
/*To get the relative coordinate we don't get the distance from the last point
but instead the distance from our accumulated last point
This is important to not build up a accumulated error when rounding the coordinates*/
r=(int64_t) round(factor*dbl_ptr[j]-accum_rel[j]);
r=(int64_t) lround(factor*dbl_ptr[j]-accum_rel[j]);
LWDEBUGF(4, "deltavalue: %d, ",r );
accum_rel[j]+=r;
//add the actual coordinate