Update to version 6.1.1

Author: David Crouse

3rd_Party_Libraries/SGP4/Tracker_Library_Changes.md

@@ -8,4 +8,7 @@ Spacetrack Report #3," AIAA/AAS Astrodynamics Specialist Conference and
 Exhibit, Guidance, Navigation, and Control and Co-located Conferences,
 Keystone Colorado, 21-24 August 2006.
 
-December 2024 David F. Crouse, Naval Research Laboratory, Washington D.C.
+Modifications have been made to make the code compile without warnings in
+Visual Studio and MinGW.
+
+May 2025 David F. Crouse, Naval Research Laboratory, Washington D.C.

3rd_Party_Libraries/SGP4/cpp/SGP4.cpp

@@ -6,6 +6,11 @@
 #include <math.h>
 #include "direct-internal.h"
 
+#ifdef _MSC_VER
+//Get rid of Spectre mitigation and inlining warnings.
+#pragma warning( disable : 5045 4710 4711)
+#endif
+
 /* Common Block Declarations */
 
 /* Table of constant values */
@@ -79,7 +84,7 @@
     doublereal *levels = 0, *thirds = 0;
     doublereal epsfix;
     integer oldpos, minpos, maxpos, tstart, actdeep, ifreeold, oldmaxf;
-    integer numfunc, version;
+    integer version, numfunc=0;//Initializing to get rid of a warning.
     integer jones;
 
     /* FIXME: change sizes dynamically? */

3rd_Party_Libraries/direct/DIRect.c

@@ -27,7 +27,7 @@
     doublereal d__1;
 
     /* Local variables */
-    integer i__, j, helppoint, pos, kret;
+    integer i__, j, helppoint, pos, kret=-1;//Initialize kret to get rid of a warning.
 
     (void) logfile; (void) free; (void) maxfunc; (void) maxdeep; (void) oops;
     (void) delta; (void) sample;

3rd_Party_Libraries/direct/DIRserial.c

@@ -6,6 +6,11 @@
 #include <math.h>
 #include "direct-internal.h"
 
+#ifdef _MSC_VER
+//Get rid of Spectre mitigation and inlining warnings.
+#pragma warning( disable : 5045 4710 4711)
+#endif
+
 /* Table of constant values */
 
 static integer c__1 = 1;
@@ -1503,12 +1508,23 @@ static integer isinbox_(doublereal *x, doublereal *a, doublereal *b, integer *n,
 		 " Measure percentage wanted: %e\n",
 		 imainver, isubver, isubsubver, *n, *eps, *maxf, *maxt,
 		 *fglobal, *fglper, *volper, *sigmaper);
-	 fprintf(logfile, *iepschange == 1
-		 ? "Epsilon is changed using the Jones formula.\n"
-		 : "Epsilon is constant.\n");
-	 fprintf(logfile, *algmethod == 0
-		 ? "Jones original DIRECT algorithm is used.\n"
-		 : "Our modification of the DIRECT algorithm is used.\n");
+        if(*iepschange == 1) {
+	        fprintf(logfile,"Epsilon is changed using the Jones formula.\n");
+        } else {
+	        fprintf(logfile, "Epsilon is constant.\n");
+        }
+	// fprintf(logfile, *iepschange == 1
+	//	 ? "Epsilon is changed using the Jones formula.\n"
+	//	 : "Epsilon is constant.\n");
+        if(*algmethod == 0) {
+	        fprintf(logfile,"Jones original DIRECT algorithm is used.\n");
+        } else {
+	        fprintf(logfile,"Our modification of the DIRECT algorithm is used.\n");
+        }
+
+	 // fprintf(logfile, *algmethod == 0
+		//  ? "Jones original DIRECT algorithm is used.\n"
+		//  : "Our modification of the DIRECT algorithm is used.\n");
     }
 
     i__1 = *n;

3rd_Party_Libraries/direct/DIRsubrout.c

@@ -1,6 +1,6 @@
 This code is taken from version 2.6.1 of the NLOpt library from
 http://ab-initio.mit.edu/wiki/index.php/NLopt
-The code has been modified to get rid of most of the warning when 
+The code has been modified to get rid of most of the warnings when 
 compiling. These include, for example, complaints that variables are unused
 or are used prior to being initialized. Also the memory allocation and
 freeing routines in the library have been changed to use the methods from

3rd_Party_Libraries/direct/Tracker_Library_Changes.md

@@ -4,9 +4,10 @@ Unused code was placed into ./Unused Code.zip, ./src/Unused Code.zip, and
 
 In the file ./src/libais/Makefile-custom, the -fPIC C++ flag was added to
 eliminate compile problems on some systems. The -DNDEBUG flasg was also
-added to eliminate parts related to debugging.
+added to eliminate parts related to debugging. A number of modifications
+were made to get rid of warnings when compiling in Visual Studio and MinGW.
 
 The code was originally taken from
 https://github.com/schwehr/libais
 
-November 2015 David F. Crouse, Naval Research Laboratory, Washington D.C.
+May 2025 David F. Crouse, Naval Research Laboratory, Washington D.C.

3rd_Party_Libraries/libais-0048ceb/Tracker_Library_Changes.md

@@ -63,6 +63,12 @@
 #ifndef LIBAIS_VDM_H_
 #define LIBAIS_VDM_H_
 
+#ifdef _MSC_VER
+#pragma warning( push )
+//Get rid of warnings about missing operators. %DFC 2025
+#pragma warning( disable : 4626 5027 )
+#endif
+
 #include <deque>
 #include <memory>
 #include <string>
@@ -207,7 +213,7 @@ class VdmStream {
   // Returns nullptr if there are not decoded messages currently available.
   std::unique_ptr<libais::AisMsg> PopOldestMessage();
 
-  int size() const { return messages_.size(); }
+  int size() const { return static_cast<int>(messages_.size()); }
   bool empty() const { return messages_.empty(); }
 
  private:
@@ -223,4 +229,9 @@ class VdmStream {
 
 }  // namespace libais
 
+
+#ifdef _MSC_VER
+#pragma warning( pop )
+#endif
+
 #endif  // LIBAIS_VDM_H_

3rd_Party_Libraries/libais-0048ceb/src/libais/vdm.h

@@ -61,6 +61,12 @@ distributing the effieicnt and explanatory implementation in an open source
 licence.
 */
 
+#ifdef _MSC_VER
+//Get rid of useless Spectre mitigation, inlining, and padding warnings.
+//Also get rid of the unreferenced formal parameter warning.
+#pragma warning( disable : 5045 4820 4710 4711 4100 )
+#endif
+
 #ifdef  HAVE_CONFIG_H
 #include <config.h>
 #endif/*HAVE_CONFIG_H*/
@@ -440,7 +446,8 @@ int lbfgs(
 
         /* Report the progress. */
         if (cd.proc_progress) {
-            if ((ret = cd.proc_progress(cd.instance, x, g, fx, xnorm, gnorm, step, cd.n, k, ls))) {
+            ret = cd.proc_progress(cd.instance, x, g, fx, xnorm, gnorm, step, cd.n, k, ls);
+            if (ret) {
                 goto lbfgs_exit;
             }
         }
@@ -1060,7 +1067,8 @@ int line_search_morethuente(
         }
     }
 
-    return LBFGSERR_LOGICERROR;
+    //Unreachable code commented out.
+   // return LBFGSERR_LOGICERROR;
 }
 
 

3rd_Party_Libraries/liblbfgs/lib/lbfgs.c

@@ -3,6 +3,7 @@ was the case in the original Fortran code.
 
 The code has been modified to use mxMalloc and mxFree, which are preferred
 in Matlab over malloc and free. Also, printf statements have been replaced
-with the appropriate native. Matlab functions.
+with the appropriate native. Matlab functions, and some variables were
+renamed to get rid of warnings about shadowing global variables.
 
-June 2016 David F. Crouse, Naval Research Laboratory, Washington D.C.
+May 2025 David F. Crouse, Naval Research Laboratory, Washington D.C.