From 9dfa358c45f425928661ef5598439e5d09d8d61e Mon Sep 17 00:00:00 2001
From: tsteven4 <13596209+tsteven4@users.noreply.github.com>
Date: Fri, 19 Mar 2021 08:53:45 -0600
Subject: [PATCH] PVS Studio kills an old bug.

V1064 The '360' operand of integer division is less than the '65535' one. The result will always be zero.

Also, we need to set the flag for course.
---
 reference/track/vpl_reference.gpx | 500 ++++++++++++++++++++++++++++++
 vpl.cc                            |   2 +-
 2 files changed, 501 insertions(+), 1 deletion(-)

diff --git a/reference/track/vpl_reference.gpx b/reference/track/vpl_reference.gpx
index 84803de97..5ca4f7663 100644
--- a/reference/track/vpl_reference.gpx
+++ b/reference/track/vpl_reference.gpx
@@ -7,6 +7,7 @@
       <trkpt lat="40.741192491" lon="-88.737399089">
         <ele>225.000</ele>
         <time>2009-07-06T21:14:11Z</time>
+        <course>359.000214</course>
         <speed>29.253180</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -15,6 +16,7 @@
       <trkpt lat="40.741453993" lon="-88.737407769">
         <ele>225.000</ele>
         <time>2009-07-06T21:14:12Z</time>
+        <course>358.632172</course>
         <speed>29.253180</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -23,6 +25,7 @@
       <trkpt lat="40.741716580" lon="-88.737415365">
         <ele>226.000</ele>
         <time>2009-07-06T21:14:13Z</time>
+        <course>358.692596</course>
         <speed>29.225241</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -31,6 +34,7 @@
       <trkpt lat="40.741978082" lon="-88.737422960">
         <ele>226.000</ele>
         <time>2009-07-06T21:14:14Z</time>
+        <course>358.654144</course>
         <speed>29.225241</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -39,6 +43,7 @@
       <trkpt lat="40.742238498" lon="-88.737430556">
         <ele>226.000</ele>
         <time>2009-07-06T21:14:15Z</time>
+        <course>358.720062</course>
         <speed>29.197300</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -47,6 +52,7 @@
       <trkpt lat="40.742500000" lon="-88.737439236">
         <ele>226.000</ele>
         <time>2009-07-06T21:14:16Z</time>
+        <course>358.643158</course>
         <speed>29.225241</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -55,6 +61,7 @@
       <trkpt lat="40.742762587" lon="-88.737446832">
         <ele>226.000</ele>
         <time>2009-07-06T21:14:17Z</time>
+        <course>358.747528</course>
         <speed>29.225241</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -63,6 +70,7 @@
       <trkpt lat="40.743024089" lon="-88.737453342">
         <ele>226.000</ele>
         <time>2009-07-06T21:14:18Z</time>
+        <course>358.835419</course>
         <speed>29.253180</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -71,6 +79,7 @@
       <trkpt lat="40.743285590" lon="-88.737460938">
         <ele>226.000</ele>
         <time>2009-07-06T21:14:19Z</time>
+        <course>358.753021</course>
         <speed>29.253180</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -79,6 +88,7 @@
       <trkpt lat="40.743548177" lon="-88.737467448">
         <ele>227.000</ele>
         <time>2009-07-06T21:14:20Z</time>
+        <course>358.725555</course>
         <speed>29.253180</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -87,6 +97,7 @@
       <trkpt lat="40.743809679" lon="-88.737475043">
         <ele>227.000</ele>
         <time>2009-07-06T21:14:21Z</time>
+        <course>358.868378</course>
         <speed>29.281120</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -95,6 +106,7 @@
       <trkpt lat="40.744072266" lon="-88.737479384">
         <ele>227.000</ele>
         <time>2009-07-06T21:14:22Z</time>
+        <course>359.176025</course>
         <speed>29.281120</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -103,6 +115,7 @@
       <trkpt lat="40.744333767" lon="-88.737483724">
         <ele>227.000</ele>
         <time>2009-07-06T21:14:23Z</time>
+        <course>359.225464</course>
         <speed>29.281120</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -111,6 +124,7 @@
       <trkpt lat="40.744596354" lon="-88.737489149">
         <ele>227.000</ele>
         <time>2009-07-06T21:14:24Z</time>
+        <course>359.115601</course>
         <speed>29.253180</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -119,6 +133,7 @@
       <trkpt lat="40.744857856" lon="-88.737494575">
         <ele>227.000</ele>
         <time>2009-07-06T21:14:25Z</time>
+        <course>358.989227</course>
         <speed>29.225241</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -127,6 +142,7 @@
       <trkpt lat="40.745120443" lon="-88.737500000">
         <ele>227.000</ele>
         <time>2009-07-06T21:14:26Z</time>
+        <course>359.082642</course>
         <speed>29.281120</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -135,6 +151,7 @@
       <trkpt lat="40.745383030" lon="-88.737503255">
         <ele>227.000</ele>
         <time>2009-07-06T21:14:27Z</time>
+        <course>359.527588</course>
         <speed>29.364941</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -143,6 +160,7 @@
       <trkpt lat="40.745646701" lon="-88.737502170">
         <ele>227.000</ele>
         <time>2009-07-06T21:14:28Z</time>
+        <course>0.329595</course>
         <speed>29.392879</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -151,6 +169,7 @@
       <trkpt lat="40.745909288" lon="-88.737491319">
         <ele>227.000</ele>
         <time>2009-07-06T21:14:29Z</time>
+        <course>1.884184</course>
         <speed>29.364941</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -159,6 +178,7 @@
       <trkpt lat="40.746171875" lon="-88.737469618">
         <ele>227.000</ele>
         <time>2009-07-06T21:14:30Z</time>
+        <course>3.493706</course>
         <speed>29.364941</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -167,6 +187,7 @@
       <trkpt lat="40.746434462" lon="-88.737437066">
         <ele>227.000</ele>
         <time>2009-07-06T21:14:31Z</time>
+        <course>5.421835</course>
         <speed>29.364941</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -175,6 +196,7 @@
       <trkpt lat="40.746694878" lon="-88.737394748">
         <ele>227.000</ele>
         <time>2009-07-06T21:14:32Z</time>
+        <course>7.091783</course>
         <speed>29.392879</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -183,6 +205,7 @@
       <trkpt lat="40.746955295" lon="-88.737342665">
         <ele>227.000</ele>
         <time>2009-07-06T21:14:33Z</time>
+        <course>8.723278</course>
         <speed>29.392879</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -191,6 +214,7 @@
       <trkpt lat="40.747214627" lon="-88.737279731">
         <ele>227.000</ele>
         <time>2009-07-06T21:14:34Z</time>
+        <course>10.420691</course>
         <speed>29.392879</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -199,6 +223,7 @@
       <trkpt lat="40.747471788" lon="-88.737207031">
         <ele>227.000</ele>
         <time>2009-07-06T21:14:35Z</time>
+        <course>12.140078</course>
         <speed>29.392879</speed>
         <sat>10</sat>
         <hdop>1.000000</hdop>
@@ -207,6 +232,7 @@
       <trkpt lat="40.747726780" lon="-88.737124566">
         <ele>227.000</ele>
         <time>2009-07-06T21:14:36Z</time>
+        <course>14.090180</course>
         <speed>29.364941</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -215,6 +241,7 @@
       <trkpt lat="40.747979601" lon="-88.737030165">
         <ele>227.000</ele>
         <time>2009-07-06T21:14:37Z</time>
+        <course>15.787595</course>
         <speed>29.309059</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -223,6 +250,7 @@
       <trkpt lat="40.748230252" lon="-88.736927083">
         <ele>227.000</ele>
         <time>2009-07-06T21:14:38Z</time>
+        <course>17.127947</course>
         <speed>29.281120</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -231,6 +259,7 @@
       <trkpt lat="40.748478733" lon="-88.736816406">
         <ele>226.000</ele>
         <time>2009-07-06T21:14:39Z</time>
+        <course>18.688030</course>
         <speed>29.281120</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -239,6 +268,7 @@
       <trkpt lat="40.748723958" lon="-88.736694878">
         <ele>226.000</ele>
         <time>2009-07-06T21:14:40Z</time>
+        <course>20.715038</course>
         <speed>29.225241</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -247,6 +277,7 @@
       <trkpt lat="40.748965929" lon="-88.736563585">
         <ele>226.000</ele>
         <time>2009-07-06T21:14:41Z</time>
+        <course>22.324560</course>
         <speed>29.197300</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -255,6 +286,7 @@
       <trkpt lat="40.749204644" lon="-88.736423611">
         <ele>226.000</ele>
         <time>2009-07-06T21:14:42Z</time>
+        <course>23.934080</course>
         <speed>29.169359</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -263,6 +295,7 @@
       <trkpt lat="40.749439019" lon="-88.736273872">
         <ele>225.000</ele>
         <time>2009-07-06T21:14:43Z</time>
+        <course>25.752346</course>
         <speed>29.141420</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -271,6 +304,7 @@
       <trkpt lat="40.749670139" lon="-88.736114366">
         <ele>225.000</ele>
         <time>2009-07-06T21:14:44Z</time>
+        <course>27.724422</course>
         <speed>29.141420</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -279,6 +313,7 @@
       <trkpt lat="40.749899089" lon="-88.735947266">
         <ele>225.000</ele>
         <time>2009-07-06T21:14:45Z</time>
+        <course>29.086748</course>
         <speed>29.141420</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -287,6 +322,7 @@
       <trkpt lat="40.750123698" lon="-88.735773655">
         <ele>224.000</ele>
         <time>2009-07-06T21:14:46Z</time>
+        <course>30.482033</course>
         <speed>29.141420</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -295,6 +331,7 @@
       <trkpt lat="40.750343967" lon="-88.735589193">
         <ele>224.000</ele>
         <time>2009-07-06T21:14:47Z</time>
+        <course>32.459602</course>
         <speed>29.113480</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -303,6 +340,7 @@
       <trkpt lat="40.750559896" lon="-88.735397135">
         <ele>224.000</ele>
         <time>2009-07-06T21:14:48Z</time>
+        <course>34.294346</course>
         <speed>29.141420</speed>
         <sat>10</sat>
         <hdop>1.000000</hdop>
@@ -311,6 +349,7 @@
       <trkpt lat="40.750770399" lon="-88.735194227">
         <ele>224.000</ele>
         <time>2009-07-06T21:14:49Z</time>
+        <course>36.255436</course>
         <speed>29.169359</speed>
         <sat>10</sat>
         <hdop>1.000000</hdop>
@@ -319,6 +358,7 @@
       <trkpt lat="40.750975477" lon="-88.734981554">
         <ele>223.000</ele>
         <time>2009-07-06T21:14:50Z</time>
+        <course>38.205540</course>
         <speed>29.225241</speed>
         <sat>10</sat>
         <hdop>1.000000</hdop>
@@ -327,6 +367,7 @@
       <trkpt lat="40.751177300" lon="-88.734761285">
         <ele>223.000</ele>
         <time>2009-07-06T21:14:51Z</time>
+        <course>39.864498</course>
         <speed>29.253180</speed>
         <sat>10</sat>
         <hdop>1.000000</hdop>
@@ -335,6 +376,7 @@
       <trkpt lat="40.751373698" lon="-88.734526910">
         <ele>223.000</ele>
         <time>2009-07-06T21:14:52Z</time>
+        <course>41.375141</course>
         <speed>29.281120</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -343,6 +385,7 @@
       <trkpt lat="40.751565755" lon="-88.734289280">
         <ele>223.000</ele>
         <time>2009-07-06T21:14:53Z</time>
+        <course>42.841839</course>
         <speed>29.253180</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -351,6 +394,7 @@
       <trkpt lat="40.751752387" lon="-88.734047309">
         <ele>223.000</ele>
         <time>2009-07-06T21:14:54Z</time>
+        <course>44.215153</course>
         <speed>29.253180</speed>
         <sat>11</sat>
         <hdop>0.875000</hdop>
@@ -359,6 +403,7 @@
       <trkpt lat="40.751937934" lon="-88.733803168">
         <ele>223.000</ele>
         <time>2009-07-06T21:14:55Z</time>
+        <course>45.105057</course>
         <speed>29.225241</speed>
         <sat>10</sat>
         <hdop>1.000000</hdop>
@@ -367,6 +412,7 @@
       <trkpt lat="40.752121311" lon="-88.733556858">
         <ele>223.000</ele>
         <time>2009-07-06T21:14:56Z</time>
+        <course>45.511559</course>
         <speed>29.197300</speed>
         <sat>10</sat>
         <hdop>1.000000</hdop>
@@ -375,6 +421,7 @@
       <trkpt lat="40.752303602" lon="-88.733309462">
         <ele>223.000</ele>
         <time>2009-07-06T21:14:57Z</time>
+        <course>45.835659</course>
         <speed>29.225241</speed>
         <sat>10</sat>
         <hdop>1.000000</hdop>
@@ -383,6 +430,7 @@
       <trkpt lat="40.752485894" lon="-88.733062066">
         <ele>223.000</ele>
         <time>2009-07-06T21:14:58Z</time>
+        <course>45.802700</course>
         <speed>29.253180</speed>
         <sat>9</sat>
         <hdop>1.125000</hdop>
@@ -391,6 +439,7 @@
       <trkpt lat="40.752668186" lon="-88.732814670">
         <ele>223.000</ele>
         <time>2009-07-06T21:14:59Z</time>
+        <course>45.983978</course>
         <speed>29.281120</speed>
         <sat>9</sat>
         <hdop>1.125000</hdop>
@@ -399,6 +448,7 @@
       <trkpt lat="40.752850477" lon="-88.732566189">
         <ele>223.000</ele>
         <time>2009-07-06T21:15:00Z</time>
+        <course>46.044403</course>
         <speed>29.281120</speed>
         <sat>9</sat>
         <hdop>1.125000</hdop>
@@ -407,6 +457,7 @@
       <trkpt lat="40.753033854" lon="-88.732318793">
         <ele>223.000</ele>
         <time>2009-07-06T21:15:01Z</time>
+        <course>45.758755</course>
         <speed>29.309059</speed>
         <sat>9</sat>
         <hdop>1.125000</hdop>
@@ -415,6 +466,7 @@
       <trkpt lat="40.753216146" lon="-88.732072483">
         <ele>223.000</ele>
         <time>2009-07-06T21:15:02Z</time>
+        <course>45.852139</course>
         <speed>29.281120</speed>
         <sat>9</sat>
         <hdop>1.125000</hdop>
@@ -423,6 +475,7 @@
       <trkpt lat="40.753399523" lon="-88.731825087">
         <ele>223.000</ele>
         <time>2009-07-06T21:15:03Z</time>
+        <course>45.698330</course>
         <speed>29.281120</speed>
         <sat>9</sat>
         <hdop>1.125000</hdop>
@@ -431,6 +484,7 @@
       <trkpt lat="40.753582899" lon="-88.731578776">
         <ele>223.000</ele>
         <time>2009-07-06T21:15:04Z</time>
+        <course>45.786221</course>
         <speed>29.253180</speed>
         <sat>9</sat>
         <hdop>1.125000</hdop>
@@ -439,6 +493,7 @@
       <trkpt lat="40.753765191" lon="-88.731332465">
         <ele>222.000</ele>
         <time>2009-07-06T21:15:05Z</time>
+        <course>45.703823</course>
         <speed>29.253180</speed>
         <sat>9</sat>
         <hdop>1.125000</hdop>
@@ -447,6 +502,7 @@
       <trkpt lat="40.753948568" lon="-88.731087240">
         <ele>222.000</ele>
         <time>2009-07-06T21:15:06Z</time>
+        <course>45.599449</course>
         <speed>29.253180</speed>
         <sat>9</sat>
         <hdop>1.125000</hdop>
@@ -455,6 +511,7 @@
       <trkpt lat="40.754131944" lon="-88.730840929">
         <ele>222.000</ele>
         <time>2009-07-06T21:15:07Z</time>
+        <course>45.670864</course>
         <speed>29.225241</speed>
         <sat>9</sat>
         <hdop>1.125000</hdop>
@@ -463,6 +520,7 @@
       <trkpt lat="40.754314236" lon="-88.730594618">
         <ele>222.000</ele>
         <time>2009-07-06T21:15:08Z</time>
+        <course>45.896088</course>
         <speed>29.225241</speed>
         <sat>9</sat>
         <hdop>1.125000</hdop>
@@ -471,6 +529,7 @@
       <trkpt lat="40.754496528" lon="-88.730347222">
         <ele>222.000</ele>
         <time>2009-07-06T21:15:09Z</time>
+        <course>46.011444</course>
         <speed>29.225241</speed>
         <sat>9</sat>
         <hdop>1.125000</hdop>
@@ -479,6 +538,7 @@
       <trkpt lat="40.754680990" lon="-88.730103082">
         <ele>222.000</ele>
         <time>2009-07-06T21:15:10Z</time>
+        <course>45.868618</course>
         <speed>29.225241</speed>
         <sat>10</sat>
         <hdop>1.000000</hdop>
@@ -487,6 +547,7 @@
       <trkpt lat="40.754865451" lon="-88.729857856">
         <ele>222.000</ele>
         <time>2009-07-06T21:15:11Z</time>
+        <course>45.879608</course>
         <speed>29.253180</speed>
         <sat>10</sat>
         <hdop>1.000000</hdop>
@@ -495,6 +556,7 @@
       <trkpt lat="40.755049913" lon="-88.729612630">
         <ele>222.000</ele>
         <time>2009-07-06T21:15:12Z</time>
+        <course>45.874111</course>
         <speed>29.253180</speed>
         <sat>10</sat>
         <hdop>1.000000</hdop>
@@ -503,6 +565,7 @@
       <trkpt lat="40.755234375" lon="-88.729367405">
         <ele>222.000</ele>
         <time>2009-07-06T21:15:13Z</time>
+        <course>45.896088</course>
         <speed>29.253180</speed>
         <sat>10</sat>
         <hdop>1.000000</hdop>
@@ -511,6 +574,7 @@
       <trkpt lat="40.755416667" lon="-88.729121094">
         <ele>222.000</ele>
         <time>2009-07-06T21:15:14Z</time>
+        <course>45.918060</course>
         <speed>29.253180</speed>
         <sat>10</sat>
         <hdop>1.000000</hdop>
@@ -519,6 +583,7 @@
       <trkpt lat="40.755600043" lon="-88.728873698">
         <ele>222.000</ele>
         <time>2009-07-06T21:15:15Z</time>
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         <ele>204.000</ele>
         <time>2009-07-06T21:21:49Z</time>
+        <course>27.592585</course>
         <speed>29.197300</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3679,6 +4138,7 @@
       <trkpt lat="40.848794488" lon="-88.673909505">
         <ele>204.000</ele>
         <time>2009-07-06T21:21:50Z</time>
+        <course>27.570612</course>
         <speed>29.197300</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3687,6 +4147,7 @@
       <trkpt lat="40.849025608" lon="-88.673750000">
         <ele>204.000</ele>
         <time>2009-07-06T21:21:51Z</time>
+        <course>27.614557</course>
         <speed>29.197300</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3695,6 +4156,7 @@
       <trkpt lat="40.849257812" lon="-88.673590495">
         <ele>204.000</ele>
         <time>2009-07-06T21:21:52Z</time>
+        <course>27.526665</course>
         <speed>29.225241</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3703,6 +4165,7 @@
       <trkpt lat="40.849490017" lon="-88.673433160">
         <ele>204.000</ele>
         <time>2009-07-06T21:21:53Z</time>
+        <course>27.158617</course>
         <speed>29.225241</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3711,6 +4174,7 @@
       <trkpt lat="40.849723307" lon="-88.673276910">
         <ele>204.000</ele>
         <time>2009-07-06T21:21:54Z</time>
+        <course>27.004807</course>
         <speed>29.225241</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3719,6 +4183,7 @@
       <trkpt lat="40.849957682" lon="-88.673122830">
         <ele>203.000</ele>
         <time>2009-07-06T21:21:55Z</time>
+        <course>26.625772</course>
         <speed>29.253180</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3727,6 +4192,7 @@
       <trkpt lat="40.850193142" lon="-88.672973090">
         <ele>203.000</ele>
         <time>2009-07-06T21:21:56Z</time>
+        <course>25.823759</course>
         <speed>29.225241</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3735,6 +4201,7 @@
       <trkpt lat="40.850430773" lon="-88.672827691">
         <ele>203.000</ele>
         <time>2009-07-06T21:21:57Z</time>
+        <course>24.911879</course>
         <speed>29.253180</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3743,6 +4210,7 @@
       <trkpt lat="40.850670573" lon="-88.672688802">
         <ele>203.000</ele>
         <time>2009-07-06T21:21:58Z</time>
+        <course>23.692379</course>
         <speed>29.253180</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3751,6 +4219,7 @@
       <trkpt lat="40.850912543" lon="-88.672556424">
         <ele>203.000</ele>
         <time>2009-07-06T21:21:59Z</time>
+        <course>22.670633</course>
         <speed>29.253180</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3759,6 +4228,7 @@
       <trkpt lat="40.851155599" lon="-88.672428385">
         <ele>203.000</ele>
         <time>2009-07-06T21:22:00Z</time>
+        <course>21.654383</course>
         <speed>29.253180</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3767,6 +4237,7 @@
       <trkpt lat="40.851400825" lon="-88.672307943">
         <ele>203.000</ele>
         <time>2009-07-06T21:22:01Z</time>
+        <course>20.544746</course>
         <speed>29.253180</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3775,6 +4246,7 @@
       <trkpt lat="40.851647135" lon="-88.672191840">
         <ele>203.000</ele>
         <time>2009-07-06T21:22:02Z</time>
+        <course>19.572443</course>
         <speed>29.225241</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3783,6 +4255,7 @@
       <trkpt lat="40.851895616" lon="-88.672081163">
         <ele>203.000</ele>
         <time>2009-07-06T21:22:03Z</time>
+        <course>18.688030</course>
         <speed>29.225241</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3791,6 +4264,7 @@
       <trkpt lat="40.852145182" lon="-88.671975911">
         <ele>203.000</ele>
         <time>2009-07-06T21:22:04Z</time>
+        <course>17.798122</course>
         <speed>29.225241</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3799,6 +4273,7 @@
       <trkpt lat="40.852395833" lon="-88.671876085">
         <ele>203.000</ele>
         <time>2009-07-06T21:22:05Z</time>
+        <course>16.864271</course>
         <speed>29.253180</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3807,6 +4282,7 @@
       <trkpt lat="40.852647569" lon="-88.671780599">
         <ele>203.000</ele>
         <time>2009-07-06T21:22:06Z</time>
+        <course>16.018311</course>
         <speed>29.253180</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3815,6 +4291,7 @@
       <trkpt lat="40.852901476" lon="-88.671690538">
         <ele>203.000</ele>
         <time>2009-07-06T21:22:07Z</time>
+        <course>15.078965</course>
         <speed>29.281120</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3823,6 +4300,7 @@
       <trkpt lat="40.853155382" lon="-88.671605903">
         <ele>203.000</ele>
         <time>2009-07-06T21:22:08Z</time>
+        <course>14.222019</course>
         <speed>29.281120</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3831,6 +4309,7 @@
       <trkpt lat="40.853410373" lon="-88.671526693">
         <ele>203.000</ele>
         <time>2009-07-06T21:22:09Z</time>
+        <course>13.277180</course>
         <speed>29.281120</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3839,6 +4318,7 @@
       <trkpt lat="40.853666450" lon="-88.671453993">
         <ele>203.000</ele>
         <time>2009-07-06T21:22:10Z</time>
+        <course>12.205997</course>
         <speed>29.281120</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3847,6 +4327,7 @@
       <trkpt lat="40.853923611" lon="-88.671385634">
         <ele>203.000</ele>
         <time>2009-07-06T21:22:11Z</time>
+        <course>11.376516</course>
         <speed>29.253180</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3855,6 +4336,7 @@
       <trkpt lat="40.854180773" lon="-88.671322700">
         <ele>203.000</ele>
         <time>2009-07-06T21:22:12Z</time>
+        <course>10.459144</course>
         <speed>29.253180</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3863,6 +4345,7 @@
       <trkpt lat="40.854439019" lon="-88.671266276">
         <ele>203.000</ele>
         <time>2009-07-06T21:22:13Z</time>
+        <course>9.387960</course>
         <speed>29.225241</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3871,6 +4354,7 @@
       <trkpt lat="40.854698351" lon="-88.671216363">
         <ele>203.000</ele>
         <time>2009-07-06T21:22:14Z</time>
+        <course>8.393682</course>
         <speed>29.225241</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3879,6 +4363,7 @@
       <trkpt lat="40.854957682" lon="-88.671170790">
         <ele>203.000</ele>
         <time>2009-07-06T21:22:15Z</time>
+        <course>7.481803</course>
         <speed>29.225241</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3887,6 +4372,7 @@
       <trkpt lat="40.855217014" lon="-88.671131727">
         <ele>203.000</ele>
         <time>2009-07-06T21:22:16Z</time>
+        <course>6.575418</course>
         <speed>29.197300</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3895,6 +4381,7 @@
       <trkpt lat="40.855478516" lon="-88.671097005">
         <ele>203.000</ele>
         <time>2009-07-06T21:22:17Z</time>
+        <course>5.669032</course>
         <speed>29.197300</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3903,6 +4390,7 @@
       <trkpt lat="40.855738932" lon="-88.671069878">
         <ele>203.000</ele>
         <time>2009-07-06T21:22:18Z</time>
+        <course>4.702220</course>
         <speed>29.225241</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3911,6 +4399,7 @@
       <trkpt lat="40.856000434" lon="-88.671046007">
         <ele>203.000</ele>
         <time>2009-07-06T21:22:19Z</time>
+        <course>3.773861</course>
         <speed>29.225241</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3919,6 +4408,7 @@
       <trkpt lat="40.856261936" lon="-88.671028646">
         <ele>203.000</ele>
         <time>2009-07-06T21:22:20Z</time>
+        <course>2.900435</course>
         <speed>29.253180</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3927,6 +4417,7 @@
       <trkpt lat="40.856523438" lon="-88.671016710">
         <ele>203.000</ele>
         <time>2009-07-06T21:22:21Z</time>
+        <course>1.928130</course>
         <speed>29.225241</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3935,6 +4426,7 @@
       <trkpt lat="40.856786024" lon="-88.671011285">
         <ele>203.000</ele>
         <time>2009-07-06T21:22:22Z</time>
+        <course>0.802014</course>
         <speed>29.225241</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3943,6 +4435,7 @@
       <trkpt lat="40.857047526" lon="-88.671011285">
         <ele>203.000</ele>
         <time>2009-07-06T21:22:23Z</time>
+        <course>0.000000</course>
         <speed>29.225241</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3951,6 +4444,7 @@
       <trkpt lat="40.857309028" lon="-88.671013455">
         <ele>203.000</ele>
         <time>2009-07-06T21:22:24Z</time>
+        <course>359.719849</course>
         <speed>29.253180</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3959,6 +4453,7 @@
       <trkpt lat="40.857571615" lon="-88.671015625">
         <ele>203.000</ele>
         <time>2009-07-06T21:22:25Z</time>
+        <course>359.588013</course>
         <speed>29.253180</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3967,6 +4462,7 @@
       <trkpt lat="40.857833116" lon="-88.671016710">
         <ele>203.000</ele>
         <time>2009-07-06T21:22:26Z</time>
+        <course>359.780273</course>
         <speed>29.281120</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3975,6 +4471,7 @@
       <trkpt lat="40.858095703" lon="-88.671018880">
         <ele>203.000</ele>
         <time>2009-07-06T21:22:27Z</time>
+        <course>359.642944</course>
         <speed>29.253180</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3983,6 +4480,7 @@
       <trkpt lat="40.858357205" lon="-88.671018880">
         <ele>203.000</ele>
         <time>2009-07-06T21:22:28Z</time>
+        <course>359.868164</course>
         <speed>29.253180</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3991,6 +4489,7 @@
       <trkpt lat="40.858619792" lon="-88.671021050">
         <ele>203.000</ele>
         <time>2009-07-06T21:22:29Z</time>
+        <course>359.725342</course>
         <speed>29.253180</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
@@ -3999,6 +4498,7 @@
       <trkpt lat="40.858882378" lon="-88.671023220">
         <ele>203.000</ele>
         <time>2009-07-06T21:22:30Z</time>
+        <course>359.648438</course>
         <speed>29.253180</speed>
         <sat>11</sat>
         <hdop>1.125000</hdop>
diff --git a/vpl.cc b/vpl.cc
index 574b2a418..1a1efa7fc 100644
--- a/vpl.cc
+++ b/vpl.cc
@@ -196,7 +196,7 @@ vpl_parse_75_sentence(const char* ibuf)
   waypt->sat       = sats;
   // Speed comes in (MPH x 0x10) which we have to convert to m/s
   WAYPT_SET(waypt, speed, (speed_raw / (double) 0x10) * 0.44704);
-  waypt->course    = hdg_raw * (double)(360/65535);
+  WAYPT_SET(waypt, course, hdg_raw * (360.0f/65535.0f));
   waypt->hdop      = hdop_raw / 8.0;
   waypt->vdop      = vdop_raw / 8.0;
 
-- 
2.30.2