Revision: 52794
http://brlcad.svn.sourceforge.net/brlcad/?rev=52794&view=rev
Author: r_weiss
Date: 2012-10-04 20:28:51 +0000 (Thu, 04 Oct 2012)
Log Message:
-----------
Updated function "rt_in_rpp" in file "librt/bbox.c". Changed INFINITY to
MAX_FASTF. Removed float 0.0 compares.
Modified Paths:
--------------
brlcad/trunk/src/librt/bbox.c
Modified: brlcad/trunk/src/librt/bbox.c
===================================================================
--- brlcad/trunk/src/librt/bbox.c 2012-10-04 20:19:35 UTC (rev 52793)
+++ brlcad/trunk/src/librt/bbox.c 2012-10-04 20:28:51 UTC (rev 52794)
@@ -208,20 +208,20 @@
register const fastf_t *pt = &rp->r_pt[0];
register fastf_t sv;
#define st sv /* reuse the register */
- register fastf_t rmin = -INFINITY;
- register fastf_t rmax = INFINITY;
+ register fastf_t rmin = -MAX_FASTF;
+ register fastf_t rmax = MAX_FASTF;
/* Start with infinite ray, and trim it down */
/* X axis */
- if (*invdir < 0.0) {
+ if (*invdir < -SMALL_FASTF) {
/* Heading towards smaller numbers */
/* if (*min > *pt) miss */
if (rmax > (sv = (*min - *pt) * *invdir))
rmax = sv;
if (rmin < (st = (*max - *pt) * *invdir))
rmin = st;
- } else if (*invdir > 0.0) {
+ } else if (*invdir > SMALL_FASTF) {
/* Heading towards larger numbers */
/* if (*max < *pt) miss */
if (rmax > (st = (*max - *pt) * *invdir))
@@ -240,12 +240,12 @@
/* Y axis */
pt++; invdir++; max++; min++;
- if (*invdir < 0.0) {
+ if (*invdir < -SMALL_FASTF) {
if (rmax > (sv = (*min - *pt) * *invdir))
rmax = sv;
if (rmin < (st = (*max - *pt) * *invdir))
rmin = st;
- } else if (*invdir > 0.0) {
+ } else if (*invdir > SMALL_FASTF) {
if (rmax > (st = (*max - *pt) * *invdir))
rmax = st;
if (rmin < ((sv = (*min - *pt) * *invdir)))
@@ -257,12 +257,12 @@
/* Z axis */
pt++; invdir++; max++; min++;
- if (*invdir < 0.0) {
+ if (*invdir < -SMALL_FASTF) {
if (rmax > (sv = (*min - *pt) * *invdir))
rmax = sv;
if (rmin < (st = (*max - *pt) * *invdir))
rmin = st;
- } else if (*invdir > 0.0) {
+ } else if (*invdir > SMALL_FASTF) {
if (rmax > (st = (*max - *pt) * *invdir))
rmax = st;
if (rmin < ((sv = (*min - *pt) * *invdir)))
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