Revision: 65555
http://sourceforge.net/p/brlcad/code/65555
Author: ejno
Date: 2015-07-10 19:16:43 +0000 (Fri, 10 Jul 2015)
Log Message:
-----------
check for apex at infinity
Modified Paths:
--------------
brlcad/trunk/src/libgcv/conv/fastgen4/fastgen4_write.cpp
Modified: brlcad/trunk/src/libgcv/conv/fastgen4/fastgen4_write.cpp
===================================================================
--- brlcad/trunk/src/libgcv/conv/fastgen4/fastgen4_write.cpp 2015-07-10
18:00:45 UTC (rev 65554)
+++ brlcad/trunk/src/libgcv/conv/fastgen4/fastgen4_write.cpp 2015-07-10
19:16:43 UTC (rev 65555)
@@ -1111,6 +1111,10 @@
|| !NEAR_ZERO(VDOT(tgc.a, tgc.b), RT_DOT_TOL))
return false;
+ // check for apex at infinity
+ if (VNEAR_ZERO(tgc.c, RT_LEN_TOL))
+ return true;
+
{
// ensure unit vectors are equal
vect_t a_norm, b_norm, c_norm, d_norm;
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