Index: /trunk/pois/GPL.txt
===================================================================
--- /trunk/pois/GPL.txt	(revision 8480)
+++ /trunk/pois/GPL.txt	(revision 8480)
@@ -0,0 +1,345 @@
+		    GNU GENERAL PUBLIC LICENSE
+		       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.
+                       59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+			    Preamble
+
+  The licenses for most software are designed to take away your
+freedom to share and change it.  By contrast, the GNU General Public
+License is intended to guarantee your freedom to share and change free
+software--to make sure the software is free for all its users.  This
+General Public License applies to most of the Free Software
+Foundation's software and to any other program whose authors commit to
+using it.  (Some other Free Software Foundation software is covered by
+the GNU Library General Public License instead.)  You can apply it to
+your programs, too.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
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+
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+
+  We protect your rights with two steps: (1) copyright the software, and
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+
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+
+  The precise terms and conditions for copying, distribution and
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+
+
+		    GNU GENERAL PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. This License applies to any program or other work which contains
+a notice placed by the copyright holder saying it may be distributed
+under the terms of this General Public License.  The "Program", below,
+refers to any such program or work, and a "work based on the Program"
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+
+Activities other than copying, distribution and modification are not
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+Whether that is true depends on what the Program does.
+
+  1. You may copy and distribute verbatim copies of the Program's
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+along with the Program.
+
+You may charge a fee for the physical act of transferring a copy, and
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+
+  2. You may modify your copy or copies of the Program or any portion
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+above, provided that you also meet all of these conditions:
+
+    a) You must cause the modified files to carry prominent notices
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+
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+
+    c) If the modified program normally reads commands interactively
+    when run, you must cause it, when started running for such
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+
+
+These requirements apply to the modified work as a whole.  If
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+
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+
+In addition, mere aggregation of another work not based on the Program
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+a storage or distribution medium does not bring the other work under
+the scope of this License.
+
+  3. You may copy and distribute the Program (or a work based on it,
+under Section 2) in object code or executable form under the terms of
+Sections 1 and 2 above provided that you also do one of the following:
+
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+
+  4. You may not copy, modify, sublicense, or distribute the Program
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+
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+
+  6. Each time you redistribute the Program (or any work based on the
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+
+  7. If, as a consequence of a court judgment or allegation of patent
+infringement or for any other reason (not limited to patent issues),
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+license would not permit royalty-free redistribution of the Program by
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+the only way you could satisfy both it and this License would be to
+refrain entirely from distribution of the Program.
+
+If any portion of this section is held invalid or unenforceable under
+any particular circumstance, the balance of the section is intended to
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+
+It is not the purpose of this section to induce you to infringe any
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+
+This section is intended to make thoroughly clear what is believed to
+be a consequence of the rest of this License.
+
+
+  8. If the distribution and/or use of the Program is restricted in
+certain countries either by patents or by copyrighted interfaces, the
+original copyright holder who places the Program under this License
+may add an explicit geographical distribution limitation excluding
+those countries, so that distribution is permitted only in or among
+countries not thus excluded.  In such case, this License incorporates
+the limitation as if written in the body of this License.
+
+  9. The Free Software Foundation may publish revised and/or new versions
+of the General Public License from time to time.  Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+Each version is given a distinguishing version number.  If the Program
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+later version", you have the option of following the terms and conditions
+either of that version or of any later version published by the Free
+Software Foundation.  If the Program does not specify a version number of
+this License, you may choose any version ever published by the Free Software
+Foundation.
+
+  10. If you wish to incorporate parts of the Program into other free
+programs whose distribution conditions are different, write to the author
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+make exceptions for this.  Our decision will be guided by the two goals
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+of promoting the sharing and reuse of software generally.
+
+			    NO WARRANTY
+
+  11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
+FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
+OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
+PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
+OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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+TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE
+PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
+REPAIR OR CORRECTION.
+
+  12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
+REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
+INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
+OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
+TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
+YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
+PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGES.
+
+		     END OF TERMS AND CONDITIONS
+
+
+	    How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+
+Also add information on how to contact you by electronic and paper mail.
+
+If the program is interactive, make it output a short notice like this
+when it starts in an interactive mode:
+
+    Gnomovision version 69, Copyright (C) year name of author
+    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, the commands you use may
+be called something other than `show w' and `show c'; they could even be
+mouse-clicks or menu items--whatever suits your program.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary.  Here is a sample; alter the names:
+
+  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+  `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+  <signature of Ty Coon>, 1 April 1989
+  Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs.  If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library.  If this is what you want to do, use the GNU Library General
+Public License instead of this License.
Index: /trunk/pois/src/errorCodes-skl.c
===================================================================
--- /trunk/pois/src/errorCodes-skl.c	(revision 8479)
+++ /trunk/pois/src/errorCodes-skl.c	(revision 8480)
@@ -24,9 +24,9 @@
     for (int i = 0; i < nerror; i++) {
        psErrorDescription *tmp = psAlloc(sizeof(psErrorDescription));
-	p_psMemSetPersistent(tmp, true);
+        p_psMemSetPersistent(tmp, true);
        *tmp = errors[i];
        psErrorRegister(tmp, 1);
-       psFree(tmp);			/* it's on the internal list */
+       psFree(tmp);                     /* it's on the internal list */
     }
-    nerror = 0;			                // don't register more than once
+    nerror = 0;                                 // don't register more than once
 }
Index: /trunk/pois/src/pois.c
===================================================================
--- /trunk/pois/src/pois.c	(revision 8479)
+++ /trunk/pois/src/pois.c	(revision 8480)
@@ -1,8 +1,21 @@
-/*
- * POIS: Pan-STARRS (or Pricey's) Optimal Image Subtraction
- *
- * Attempts to fit for a general convolution kernel that will match the PSFs between two images.
- *
- */
+// POIS: Pan-STARRS (or Pricey's) Optimal Image Subtraction
+//
+// Attempts to fit for a general convolution kernel that will match the PSFs between two images.
+//
+// Copyright (C) 2006  Paul A. Price (price@ifa.hawaii.edu)
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 #include <stdio.h>
Index: /trunk/pois/src/poisAddPenalty.c
===================================================================
--- /trunk/pois/src/poisAddPenalty.c	(revision 8479)
+++ /trunk/pois/src/poisAddPenalty.c	(revision 8480)
@@ -1,2 +1,18 @@
+// Copyright (C) 2006  Paul A. Price (price@ifa.hawaii.edu)
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
 #include <stdio.h>
 #include <assert.h>
@@ -4,9 +20,9 @@
 #include "pois.h"
 
-void poisAddPenalty(psImage *matrix,	// The matrix
-		    psVector *vector,	// The vector
-		    float penalty,	// Penalty value
-		    const psArray *kernels, // Kernel basis functions
-		    const poisConfig *config // Configuration
+void poisAddPenalty(psImage *matrix,    // The matrix
+                    psVector *vector,   // The vector
+                    float penalty,      // Penalty value
+                    const psArray *kernels, // Kernel basis functions
+                    const poisConfig *config // Configuration
     )
 {
@@ -25,31 +41,31 @@
 
     for (int j = 0; j < numKernels; j++) {
-	poisKernelBasis *kernel = kernels->data[j];
-	if (kernel->xOrder == 0 && kernel->yOrder == 0) {
-	    for (int k = j + 1; k < numKernels; k++) {
-		poisKernelBasis *compare = kernels->data[k];
-		if (compare->xOrder == 0 && compare->yOrder == 0 &&
-		    (compare->u == kernel->u + 1 || compare->u == kernel->u - 1 ||
-		     compare->v == kernel->v + 1 || compare->v == kernel->v - 1)) {
-		    matrix->data.F64[j][k] -= penalty;
-		    matrix->data.F64[k][j] -= penalty;
-		}
-	    }
-	}
-	    
-	if (abs(kernel->u) == config->xKernel) {
-	    if (abs(kernel->v) == config->yKernel) {
-		vector->data.F64[j] -= 3.0 * penalty;
-	    } else {
-		vector->data.F64[j] -= 5.0 * penalty;
-	    }
-	} else {
-	    if (abs(kernel->v) == config->yKernel) {
-		vector->data.F64[j] -= 5.0 * penalty;
-	    } else {
-		vector->data.F64[j] -= 8.0 * penalty;
-	    }
-	}
-	
+        poisKernelBasis *kernel = kernels->data[j];
+        if (kernel->xOrder == 0 && kernel->yOrder == 0) {
+            for (int k = j + 1; k < numKernels; k++) {
+                poisKernelBasis *compare = kernels->data[k];
+                if (compare->xOrder == 0 && compare->yOrder == 0 &&
+                    (compare->u == kernel->u + 1 || compare->u == kernel->u - 1 ||
+                     compare->v == kernel->v + 1 || compare->v == kernel->v - 1)) {
+                    matrix->data.F64[j][k] -= penalty;
+                    matrix->data.F64[k][j] -= penalty;
+                }
+            }
+        }
+
+        if (abs(kernel->u) == config->xKernel) {
+            if (abs(kernel->v) == config->yKernel) {
+                vector->data.F64[j] -= 3.0 * penalty;
+            } else {
+                vector->data.F64[j] -= 5.0 * penalty;
+            }
+        } else {
+            if (abs(kernel->v) == config->yKernel) {
+                vector->data.F64[j] -= 5.0 * penalty;
+            } else {
+                vector->data.F64[j] -= 8.0 * penalty;
+            }
+        }
+
     }
 
Index: /trunk/pois/src/poisCalculateDeviations.c
===================================================================
--- /trunk/pois/src/poisCalculateDeviations.c	(revision 8479)
+++ /trunk/pois/src/poisCalculateDeviations.c	(revision 8480)
@@ -1,2 +1,18 @@
+// Copyright (C) 2006  Paul A. Price (price@ifa.hawaii.edu)
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
 #include <stdio.h>
 #include <assert.h>
Index: /trunk/pois/src/poisCalculateEquation.c
===================================================================
--- /trunk/pois/src/poisCalculateEquation.c	(revision 8479)
+++ /trunk/pois/src/poisCalculateEquation.c	(revision 8480)
@@ -1,2 +1,18 @@
+// Copyright (C) 2006  Paul A. Price (price@ifa.hawaii.edu)
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
 #include <stdio.h>
 #include <math.h>
Index: /trunk/pois/src/poisCheckKernel.c
===================================================================
--- /trunk/pois/src/poisCheckKernel.c	(revision 8479)
+++ /trunk/pois/src/poisCheckKernel.c	(revision 8480)
@@ -1,2 +1,18 @@
+// Copyright (C) 2006  Paul A. Price (price@ifa.hawaii.edu)
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
 #include <stdio.h>
 #include "pslib.h"
Index: /trunk/pois/src/poisConvolveImage.c
===================================================================
--- /trunk/pois/src/poisConvolveImage.c	(revision 8479)
+++ /trunk/pois/src/poisConvolveImage.c	(revision 8480)
@@ -1,2 +1,18 @@
+// Copyright (C) 2006  Paul A. Price (price@ifa.hawaii.edu)
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
 #include <stdio.h>
 #include <assert.h>
Index: /trunk/pois/src/poisExtractKernel.c
===================================================================
--- /trunk/pois/src/poisExtractKernel.c	(revision 8479)
+++ /trunk/pois/src/poisExtractKernel.c	(revision 8480)
@@ -1,2 +1,18 @@
+// Copyright (C) 2006  Paul A. Price (price@ifa.hawaii.edu)
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
 #include <stdio.h>
 #include <assert.h>
Index: /trunk/pois/src/poisFindStamps.c
===================================================================
--- /trunk/pois/src/poisFindStamps.c	(revision 8479)
+++ /trunk/pois/src/poisFindStamps.c	(revision 8480)
@@ -1,2 +1,18 @@
+// Copyright (C) 2006  Paul A. Price (price@ifa.hawaii.edu)
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
 #include <stdio.h>
 #include <assert.h>
Index: /trunk/pois/src/poisKernelBasisFunctions.c
===================================================================
--- /trunk/pois/src/poisKernelBasisFunctions.c	(revision 8479)
+++ /trunk/pois/src/poisKernelBasisFunctions.c	(revision 8480)
@@ -1,2 +1,18 @@
+// Copyright (C) 2006  Paul A. Price (price@ifa.hawaii.edu)
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
 #include <stdio.h>
 #include <assert.h>
Index: /trunk/pois/src/poisMakeMask.c
===================================================================
--- /trunk/pois/src/poisMakeMask.c	(revision 8479)
+++ /trunk/pois/src/poisMakeMask.c	(revision 8480)
@@ -1,2 +1,18 @@
+// Copyright (C) 2006  Paul A. Price (price@ifa.hawaii.edu)
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
 #include <stdio.h>
 #include <assert.h>
@@ -7,8 +23,8 @@
 #define MIN(a,b) ((a) < (b) ? (a) : (b))
 
-psImage *poisMakeMask(psImage *mask,	// Mask to update, or NULL
-		      const psImage *refImage, // Reference image
-		      const psImage *inImage, // Input image
-		      const poisConfig *config // Configuration
+psImage *poisMakeMask(psImage *mask,    // Mask to update, or NULL
+                      const psImage *refImage, // Reference image
+                      const psImage *inImage, // Input image
+                      const poisConfig *config // Configuration
     )
 {
@@ -20,6 +36,6 @@
     assert(config);
 
-    int nx = config->xImage;		// Size in x
-    int ny = config->yImage;		// Size in y
+    int nx = config->xImage;            // Size in x
+    int ny = config->yImage;            // Size in y
 
     psTrace("pois.makeMask", 5, "Creating mask: %dx%d\n", nx, ny);
@@ -27,35 +43,35 @@
     // Allocate the mask image, if necessary
     if (mask == NULL) {
-	mask = psImageAlloc(nx, ny, PS_TYPE_U8);
-	// Initialise to zero
-	for (int j = 0; j < ny; j++) {
-	    for (int i = 0; i < nx; i++) {
-		mask->data.U8[j][i] = POIS_MASK_OK;
-	    }
-	}
+        mask = psImageAlloc(nx, ny, PS_TYPE_U8);
+        // Initialise to zero
+        for (int j = 0; j < ny; j++) {
+            for (int i = 0; i < nx; i++) {
+                mask->data.U8[j][i] = POIS_MASK_OK;
+            }
+        }
     }
 
     // Iterate over the images
     for (int y = config->yKernel; y < ny - config->yKernel; y++) {
-	for (int x = config->xKernel; x < nx - config->xKernel; x++) {
-	    // Mask all around something that's saturated in the reference, since it gets convolved
-	    // But only mask single pixel in the input image, since it doesn't get convolved
-	    if (refImage->data.F32[y][x] >= config->refSat || refImage->data.F32[y][x] <= config->refBad ||
-		isnan(refImage->data.F32[y][x])) {
-		mask->data.U8[y][x] |= POIS_MASK_BAD;
-		int xlow = MAX(0, x - config->xKernel);
-		int xhigh = MIN(nx, x + config->xKernel);
-		int ylow = MAX(0, y - config->yKernel);
-		int yhigh = MIN(ny, y + config->yKernel);
-		for (int v = ylow; v <= yhigh; v++) {
-		    for (int u = xlow; u <= xhigh; u++) {
-			mask->data.U8[v][u] |= POIS_MASK_NEAR_BAD;
-		    }
-		}
-	    } else if (inImage->data.F32[y][x] >= config->inSat || inImage->data.F32[y][x] <= config->inBad ||
-		isnan(inImage->data.F32[y][x])) {
-		mask->data.U8[y][x] |= POIS_MASK_BAD;
-	    }
-	}
+        for (int x = config->xKernel; x < nx - config->xKernel; x++) {
+            // Mask all around something that's saturated in the reference, since it gets convolved
+            // But only mask single pixel in the input image, since it doesn't get convolved
+            if (refImage->data.F32[y][x] >= config->refSat || refImage->data.F32[y][x] <= config->refBad ||
+                isnan(refImage->data.F32[y][x])) {
+                mask->data.U8[y][x] |= POIS_MASK_BAD;
+                int xlow = MAX(0, x - config->xKernel);
+                int xhigh = MIN(nx, x + config->xKernel);
+                int ylow = MAX(0, y - config->yKernel);
+                int yhigh = MIN(ny, y + config->yKernel);
+                for (int v = ylow; v <= yhigh; v++) {
+                    for (int u = xlow; u <= xhigh; u++) {
+                        mask->data.U8[v][u] |= POIS_MASK_NEAR_BAD;
+                    }
+                }
+            } else if (inImage->data.F32[y][x] >= config->inSat || inImage->data.F32[y][x] <= config->inBad ||
+                isnan(inImage->data.F32[y][x])) {
+                mask->data.U8[y][x] |= POIS_MASK_BAD;
+            }
+        }
     }
 
Index: /trunk/pois/src/poisMaskOps.c
===================================================================
--- /trunk/pois/src/poisMaskOps.c	(revision 8479)
+++ /trunk/pois/src/poisMaskOps.c	(revision 8480)
@@ -1,2 +1,18 @@
+// Copyright (C) 2006  Paul A. Price (price@ifa.hawaii.edu)
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
 /*
  * Some utility routines that should be in psLib
@@ -8,6 +24,6 @@
 #include "pois.h"
 
-psImage *poisImageSetVal(psImage *restrict in,	     // Input image
-			 const psC64 val	     // set to this value
+psImage *poisImageSetVal(psImage *restrict in,       // Input image
+                         const psC64 val             // set to this value
     )
 {
@@ -16,31 +32,31 @@
     switch (in->type.type) {
       case PS_TYPE_U8:
-	{
-	    const int numCols = in->numCols;
-	    psU8 *row0 = in->data.U8[0];
-	    for (int c = 0; c < numCols; c++) {
-		row0[c] = val;
-	    }
-	    for (int r = 1; r < in->numRows; r++) {
-		memcpy(in->data.U8[r], row0, numCols*sizeof(psU8));
-	    }
-	}
-	break;
+        {
+            const int numCols = in->numCols;
+            psU8 *row0 = in->data.U8[0];
+            for (int c = 0; c < numCols; c++) {
+                row0[c] = val;
+            }
+            for (int r = 1; r < in->numRows; r++) {
+                memcpy(in->data.U8[r], row0, numCols*sizeof(psU8));
+            }
+        }
+        break;
       case PS_TYPE_F32:
-	{
-	    const int numCols = in->numCols;
-	    psF32 *row0 = in->data.F32[0];
-	    for (int c = 0; c < numCols; c++) {
-		row0[c] = val;
-	    }
-	    for (int r = 1; r < in->numRows; r++) {
-		memcpy(in->data.F32[r], row0, numCols*sizeof(psF32));
-	    }
-	}
-	break;
+        {
+            const int numCols = in->numCols;
+            psF32 *row0 = in->data.F32[0];
+            for (int c = 0; c < numCols; c++) {
+                row0[c] = val;
+            }
+            for (int r = 1; r < in->numRows; r++) {
+                memcpy(in->data.F32[r], row0, numCols*sizeof(psF32));
+            }
+        }
+        break;
       default:
-	psError(POIS_ERR_UNSUPPORTED_TYPE, true,
-		"Type %d is not supported", in->type.type);
-	return NULL;
+        psError(POIS_ERR_UNSUPPORTED_TYPE, true,
+                "Type %d is not supported", in->type.type);
+        return NULL;
     }
 
@@ -48,9 +64,9 @@
 }
 
-psImage *poisImageSetValInMask(psImage *out,			// Image to update, or NULL
-			       const psImage *restrict in,	// Input image
-			       const psImage *mask,		// mask for image
-			       const psC64 val,			// set to this value
-			       const unsigned long bits		// set pixels where mask & bits != 0
+psImage *poisImageSetValInMask(psImage *out,                    // Image to update, or NULL
+                               const psImage *restrict in,      // Input image
+                               const psImage *mask,             // mask for image
+                               const psC64 val,                 // set to this value
+                               const unsigned long bits         // set pixels where mask & bits != 0
     )
 {
@@ -65,26 +81,26 @@
     // Allocate the output image, if necessary
     if (out == NULL) {
-	out = psImageCopy(NULL, in, in->type.type);
+        out = psImageCopy(NULL, in, in->type.type);
     }
 
     switch (in->type.type) {
       case PS_TYPE_F32:
-	{
-	    const int numCols = in->numCols;
-	    for (int r = 0; r < in->numRows; r++) {
-		psF32 *row = out->data.F32[r]; // n.b. a copy of in
-		psU8 *mrow = mask->data.U8[r];
-		for (int c = 0; c < numCols; c++) {
-		    if (mrow[c] & bits) {
-			row[c] = val;
-		    }
-		}
-	    }
-	}
-	break;
+        {
+            const int numCols = in->numCols;
+            for (int r = 0; r < in->numRows; r++) {
+                psF32 *row = out->data.F32[r]; // n.b. a copy of in
+                psU8 *mrow = mask->data.U8[r];
+                for (int c = 0; c < numCols; c++) {
+                    if (mrow[c] & bits) {
+                        row[c] = val;
+                    }
+                }
+            }
+        }
+        break;
       default:
-	psError(POIS_ERR_UNSUPPORTED_TYPE, true,
-		"Type %d is not supported", in->type.type);
-	return NULL;
+        psError(POIS_ERR_UNSUPPORTED_TYPE, true,
+                "Type %d is not supported", in->type.type);
+        return NULL;
     }
 
Index: /trunk/pois/src/poisParseConfig.c
===================================================================
--- /trunk/pois/src/poisParseConfig.c	(revision 8479)
+++ /trunk/pois/src/poisParseConfig.c	(revision 8480)
@@ -1,2 +1,18 @@
+// Copyright (C) 2006  Paul A. Price (price@ifa.hawaii.edu)
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
 #include <stdio.h>
 #include <unistd.h>
@@ -7,31 +23,31 @@
 {
     fprintf (stderr, "POIS: Pan-STARRS (or Pricey's) Optimal Image Subtraction\n"
-	     "Usage: pois [-h] [-v] [-k X Y] [-t T] [-s S1 S2] [-b B1 B2] [-B BG] [-o N] [-n NSTAMPS] [-S STAMPS] [-i ITER] [-r REJ] [-m] REF IN OUT\n"
-	     "where\n"
-	     "\t-h         Help (this info)\n"
-	     "\t-v         Increase verbosity level\n"
-	     "\t-k X Y     Kernel half-size in x and y (5)\n"
-	     "\t-t T       Threshold for stamps on reference image (0)\n"
-	     "\t-s S1 S2   Saturation level for reference (S1) and input (S2) (50000)\n"
-	     "\t-b B1 B2   Bad level for both images (0)\n"
-	     "\t-B BG      Level to add to background to get above zero (0)\n"
-	     "\t-o ORDER   Order of spatial variations in the kernel (0)\n"
-	     "\t-n NSTAMPS Number of stamps in each dimension (5)\n"
-	     "\t-S STAMPS  File from which to read stamps\n"
-	     "\t-R         Reverse the sense of the subtraction (REF - IN)\n"
-	     "\t-i ITER    Number of rejection iterations (10)\n"
-	     "\t-r REJ     Rejection level in standard deviations (2.5)\n"
-	     "\t-m         Output mask frame (OUT.mask)\n"
-	     "\tREF        Reference image\n"
-	     "\tIN         Input image (to be matched to REF)\n"
-	     "\tOUT        Output image\n"
-	);
+             "Usage: pois [-h] [-v] [-k X Y] [-t T] [-s S1 S2] [-b B1 B2] [-B BG] [-o N] [-n NSTAMPS] [-S STAMPS] [-i ITER] [-r REJ] [-m] REF IN OUT\n"
+             "where\n"
+             "\t-h         Help (this info)\n"
+             "\t-v         Increase verbosity level\n"
+             "\t-k X Y     Kernel half-size in x and y (5)\n"
+             "\t-t T       Threshold for stamps on reference image (0)\n"
+             "\t-s S1 S2   Saturation level for reference (S1) and input (S2) (50000)\n"
+             "\t-b B1 B2   Bad level for both images (0)\n"
+             "\t-B BG      Level to add to background to get above zero (0)\n"
+             "\t-o ORDER   Order of spatial variations in the kernel (0)\n"
+             "\t-n NSTAMPS Number of stamps in each dimension (5)\n"
+             "\t-S STAMPS  File from which to read stamps\n"
+             "\t-R         Reverse the sense of the subtraction (REF - IN)\n"
+             "\t-i ITER    Number of rejection iterations (10)\n"
+             "\t-r REJ     Rejection level in standard deviations (2.5)\n"
+             "\t-m         Output mask frame (OUT.mask)\n"
+             "\tREF        Reference image\n"
+             "\tIN         Input image (to be matched to REF)\n"
+             "\tOUT        Output image\n"
+        );
 }
 
 poisConfig *poisParseConfig(int argc, // Number of command-line arguments
-			    char **argv // Command-line arguments
+                            char **argv // Command-line arguments
     )
 {
-    poisConfig *config;			// Configuration values
+    poisConfig *config;                 // Configuration values
 
     /* Variables for getopt */
@@ -68,11 +84,11 @@
     while ((opt = getopt(argc, argv, "hvRmk:f:q:t:s:o:b:B:n:i:r:p:S:")) != -1) {
         switch (opt) {
-	  case 'h':
-	    help();
-	    exit(EXIT_SUCCESS);
-	  case 'v':
+          case 'h':
+            help();
+            exit(EXIT_SUCCESS);
+          case 'v':
             config->verbose++;
             break;
-	  case 'k':
+          case 'k':
             if ((sscanf(argv[optind-1], "%d", &config->xKernel) != 1) ||
                 (sscanf(argv[optind++], "%d", &config->yKernel) != 1)) {
@@ -84,18 +100,18 @@
                 exit(EXIT_FAILURE);
             }
-	    break;
-	  case 'f':
-	    if (sscanf(optarg, "%d", &config->footprint) != 1) {
-		help();
-                exit(EXIT_FAILURE);
-	    }
-	    break;
-	  case 't':
-	    if (sscanf(optarg, "%f", &config->threshold) != 1) {
-		help();
-                exit(EXIT_FAILURE);
-	    }
-	    break;
-	  case 's':
+            break;
+          case 'f':
+            if (sscanf(optarg, "%d", &config->footprint) != 1) {
+                help();
+                exit(EXIT_FAILURE);
+            }
+            break;
+          case 't':
+            if (sscanf(optarg, "%f", &config->threshold) != 1) {
+                help();
+                exit(EXIT_FAILURE);
+            }
+            break;
+          case 's':
             if ((sscanf(argv[optind-1], "%f", &config->refSat) != 1) ||
                 (sscanf(argv[optind++], "%f", &config->inSat) != 1)) {
@@ -107,12 +123,12 @@
                 exit(EXIT_FAILURE);
             }
-	    break;
-	  case 'o':
-	    if (sscanf(optarg, "%d", &config->spatialOrder) != 1) {
-		help();
-                exit(EXIT_FAILURE);
-	    }
-	    break;
-	  case 'b':
+            break;
+          case 'o':
+            if (sscanf(optarg, "%d", &config->spatialOrder) != 1) {
+                help();
+                exit(EXIT_FAILURE);
+            }
+            break;
+          case 'b':
             if ((sscanf(argv[optind-1], "%f", &config->refBad) != 1) ||
                 (sscanf(argv[optind++], "%f", &config->inBad) != 1)) {
@@ -124,49 +140,49 @@
                 exit(EXIT_FAILURE);
             }
-	    break;
-	  case 'B':
-	    if (sscanf(optarg, "%f", &config->background) != 1) {
-		help();
-                exit(EXIT_FAILURE);
-	    }
-	    break;
-	  case 'n':
+            break;
+          case 'B':
+            if (sscanf(optarg, "%f", &config->background) != 1) {
+                help();
+                exit(EXIT_FAILURE);
+            }
+            break;
+          case 'n':
             if (sscanf(argv[optind-1], "%d", &config->nsx) != 1) {
                 help();
                 exit(EXIT_FAILURE);
             }
-	    config->nsy = config->nsx;
-	    break;
-	  case 'i':
+            config->nsy = config->nsx;
+            break;
+          case 'i':
             if (sscanf(argv[optind-1], "%d", &config->numIter) != 1) {
                 help();
                 exit(EXIT_FAILURE);
             }
-	    break;
-	  case 'r':
+            break;
+          case 'r':
             if (sscanf(argv[optind-1], "%f", &config->sigmaRej) != 1) {
                 help();
                 exit(EXIT_FAILURE);
             }
-	    break;
-	  case 'p':
+            break;
+          case 'p':
             if (sscanf(argv[optind-1], "%f", &config->penalty) != 1) {
                 help();
                 exit(EXIT_FAILURE);
             }
-	    break;
-	  case 'S':
-	    config->stampFile = argv[optind-1];
-	    config->threshold = -INFINITY;
-	    break;
-	  case 'R':
-	    config->reverse = true;
-	    break;
-	  case 'm':
+            break;
+          case 'S':
+            config->stampFile = argv[optind-1];
+            config->threshold = -INFINITY;
+            break;
+          case 'R':
+            config->reverse = true;
+            break;
+          case 'm':
             config->mask = true;
             break;
-	  default:
-	    help();
-	}
+          default:
+            help();
+        }
     }
 
Index: /trunk/pois/src/poisReadStamps.c
===================================================================
--- /trunk/pois/src/poisReadStamps.c	(revision 8479)
+++ /trunk/pois/src/poisReadStamps.c	(revision 8480)
@@ -1,2 +1,18 @@
+// Copyright (C) 2006  Paul A. Price (price@ifa.hawaii.edu)
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
 #include <stdio.h>
 #include "pslib.h"
Index: /trunk/pois/src/poisRejectStamps.c
===================================================================
--- /trunk/pois/src/poisRejectStamps.c	(revision 8479)
+++ /trunk/pois/src/poisRejectStamps.c	(revision 8480)
@@ -1,2 +1,18 @@
+// Copyright (C) 2006  Paul A. Price (price@ifa.hawaii.edu)
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
 #include <stdio.h>
 #include <assert.h>
Index: /trunk/pois/src/poisSolveEquation.c
===================================================================
--- /trunk/pois/src/poisSolveEquation.c	(revision 8479)
+++ /trunk/pois/src/poisSolveEquation.c	(revision 8480)
@@ -1,2 +1,18 @@
+// Copyright (C) 2006  Paul A. Price (price@ifa.hawaii.edu)
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
 #include <stdio.h>
 #include <assert.h>
Index: /trunk/pois/src/poisStamp.c
===================================================================
--- /trunk/pois/src/poisStamp.c	(revision 8479)
+++ /trunk/pois/src/poisStamp.c	(revision 8480)
@@ -1,2 +1,18 @@
+// Copyright (C) 2006  Paul A. Price (price@ifa.hawaii.edu)
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
 #include <stdio.h>
 #include "pslib.h"
@@ -19,8 +35,8 @@
 {
     if (stamp->matrix) {
-	psFree(stamp->matrix);
+        psFree(stamp->matrix);
     }
     if (stamp->vector) {
-	psFree(stamp->vector);
+        psFree(stamp->vector);
     }
     psFree(stamp);
@@ -30,31 +46,31 @@
 // Return true if the stamp is OK
 bool poisCheckStamp(const psImage *image, // Image to check for threshold
-		    const psImage *mask, // Mask to check for bad pixels
-		    int x, int y,	// Pixel coordinates
-		    const poisConfig *config // Configuration
+                    const psImage *mask, // Mask to check for bad pixels
+                    int x, int y,       // Pixel coordinates
+                    const poisConfig *config // Configuration
     )
 {
     if (x < config->footprint + config->xKernel ||
-	y < config->footprint + config->yKernel ||
-	x > config->xImage - config->footprint - config->xKernel ||
-	y > config->yImage - config->footprint - config->yKernel ||
-	image->data.F32[y][x] < config->threshold) {
-	psTrace("pois.checkStamp", 9, "Rejecting stamp at %d,%d (border/threshold)\n", x, y);
-	return false;
+        y < config->footprint + config->yKernel ||
+        x > config->xImage - config->footprint - config->xKernel ||
+        y > config->yImage - config->footprint - config->yKernel ||
+        image->data.F32[y][x] < config->threshold) {
+        psTrace("pois.checkStamp", 9, "Rejecting stamp at %d,%d (border/threshold)\n", x, y);
+        return false;
     }
 
     // Check the footprint
-    bool ok = true;			// Is the footprint OK?
-    int footprint = config->footprint;	// Footprint size
+    bool ok = true;                     // Is the footprint OK?
+    int footprint = config->footprint;  // Footprint size
     for (int v = y - footprint; v <= y + footprint && ok; v++) {
-	for (int u = x - footprint; u <= x + footprint && ok; u++) {
-	    if (mask->data.U8[v][u] &
-		(POIS_MASK_BAD | POIS_MASK_NEAR_BAD | POIS_MASK_STAMP)) {
-		psTrace("pois.checkStamp", 9, "Rejecting stamp at %d,%d (bad footprint)\n", x, y);
-		ok = false;
-	    }
-	}
+        for (int u = x - footprint; u <= x + footprint && ok; u++) {
+            if (mask->data.U8[v][u] &
+                (POIS_MASK_BAD | POIS_MASK_NEAR_BAD | POIS_MASK_STAMP)) {
+                psTrace("pois.checkStamp", 9, "Rejecting stamp at %d,%d (bad footprint)\n", x, y);
+                ok = false;
+            }
+        }
     }
-    
+
     return ok;
 }
