0002-patch-for-n66-subpnt.c.patch

From 104ac280822bd45a130a11afdcd84640f64ca999 Mon Sep 17 00:00:00 2001
From: Andrew Annex <ama6fy@virginia.edu>
Date: Sun, 11 Apr 2021 14:44:43 -0400
Subject: [PATCH 2/2] patch for n66 subpnt.c

---
 cspice/src/cspice/subpnt.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/cspice/src/cspice/subpnt.c b/cspice/src/cspice/subpnt.c
index ddf10b6..181a5b3 100644
--- a/cspice/src/cspice/subpnt.c
+++ b/cspice/src/cspice/subpnt.c
@@ -2095,6 +2095,13 @@ static integer c__3 = 3;
 
 /* $ Version */
 
+/* -    SPICELIB Version 2.1.0, 25-OCT-2017 (NJB) */
+
+/*        Bug fix: TRGEPC is now initialized prior to first use. */
+/*        Previously the lack of initialization could cause this routine */
+/*        to fail to find DSK data within the time bounds of a DSK */
+/*        segment. */
+
 /* -    SPICELIB Version 2.0.0, 04-APR-2017 (NJB) */
 
 /*        Added FAILED tests. */
@@ -2504,6 +2511,10 @@ static integer c__3 = 3;
 
     vminus_(tpos, obspos);
 
+/*     Make a first estimate of the target epoch. */
+
+    *trgepc = *et + s * lt;
+
 /*     Find the sub-observer point given the target epoch, */
 /*     observer-target position, and target body orientation we've */
 /*     already computed. If we're not using light time correction, this */
-- 
2.28.0