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Corrected the "def write" output with respect to the "-units" 

option.  This is important as the default units of 1nm are not
necessarily able to be converted to integer values if the
minimum manufacturing grid is an odd number of nanometers.
This commit is contained in:
Tim Edwards 2022-11-09 17:38:09 -05:00
parent 31ba6eeba3
commit 70e15b1d33
1 changed files with 19 additions and 5 deletions
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24
lef/defWrite.c
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@ -1981,12 +1981,15 @@ defWriteVias(f, rootDef, oscale, lefMagicToLefLayer)
TileType ttype;
Rect *r;
LinkedRect *lr;
float cscale;
/* Pick up information from the LefInfo hash table */
/* created by fucntion defCountVias() */
if (LefInfo.ht_table != (HashEntry **) NULL)
{
cscale = CIFGetOutputScale(1);
HashStartSearch(&hs);
while (he = HashNext(&LefInfo, &hs))
{
@ -2038,7 +2041,16 @@ defWriteVias(f, rootDef, oscale, lefMagicToLefLayer)
Rect square, rect = lefl->info.via.area, *r;
r = ▭
/* Scale the area to CIF units */
/* Scale contact dimensions to the output units */
size *= oscale;
sep *= oscale;
border *= oscale;
size /= cscale;
sep /= cscale;
border /= cscale;
/* Scale the area to output units */
r->r_xbot *= oscale;
r->r_ybot *= oscale;
r->r_xtop *= oscale;
@ -2353,8 +2365,9 @@ defWriteBlockages(f, rootDef, oscale, MagicToLefTable)
while (he = HashNext(&LefInfo, &hs))
{
lefl = (lefLayer *)HashGetValue(he);
if ((lefl->lefClass == CLASS_ROUTE) || (lefl->lefClass == CLASS_VIA))
numblocks++;
if (lefl != NULL)
if ((lefl->lefClass == CLASS_ROUTE) || (lefl->lefClass == CLASS_VIA))
numblocks++;
}
defobsdata.nlayers = numblocks;
@ -2372,7 +2385,8 @@ defWriteBlockages(f, rootDef, oscale, MagicToLefTable)
while (he = HashNext(&LefInfo, &hs))
{
lefl = (lefLayer *)HashGetValue(he);
if ((lefl->lefClass == CLASS_ROUTE) || (lefl->lefClass == CLASS_VIA))
if ((lefl != NULL) && ((lefl->lefClass == CLASS_ROUTE) ||
(lefl->lefClass == CLASS_VIA)))
{
char *llayer;
if (lefl->lefClass == CLASS_ROUTE)
@ -2766,7 +2780,7 @@ DefWriteCell(def, outName, allSpecial, units)
/* Note that "1" corresponds to "1000" in the header UNITS line, */
/* or units of nanometers. 10 = centimicrons, 1000 = microns. */
scale = CIFGetOutputScale(1000 / units);
scale = CIFGetOutputScale(1000) * units;
if (!strcmp(def->cd_name, UNNAMED))
{