X-Git-Url: http://git.kpe.io/?p=ctsim.git;a=blobdiff_plain;f=libctsupport%2Fxform.cpp;h=f50832ec6d37f99f69c858d3dd2a87817a03089e;hp=8d58f766a4dfdcbbb0e19b48aeffe9fde4de7964;hb=c00c639073653fac7463a88f2b000f263236550d;hpb=99dd1d6ed10db1f669a5fe6af71225a50fc0ddfb

diff --git a/libctsupport/xform.cpp b/libctsupport/xform.cpp
index 8d58f76..f50832e 100644
--- a/libctsupport/xform.cpp
+++ b/libctsupport/xform.cpp
@@ -2,7 +2,7 @@
 **  This is part of the CTSim program
 **  Copyright (C) 1983-2000 Kevin Rosenberg
 **
-**  $Id: xform.cpp,v 1.1 2000/06/19 02:58:08 kevin Exp $
+**  $Id: xform.cpp,v 1.5 2001/01/02 16:02:13 kevin Exp $
 **
 **  This program is free software; you can redistribute it and/or modify
 **  it under the terms of the GNU General Public License (version 2) as
@@ -18,7 +18,8 @@
 **  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 ******************************************************************************/
 
-#include "kmath.h"
+#include "ctsupport.h"
+
 
 /* NAME
  *   rotate2d		Rotates an array of 2 dimensional vectors
@@ -121,24 +122,25 @@ rot_mtx2 (GRFMTX_2D m, const double theta)
 }
 
 void 
-mult_mtx2 (GRFMTX_2D m1, GRFMTX_2D m2, GRFMTX_2D result)
+mult_mtx2 (const GRFMTX_2D m1, const GRFMTX_2D m2, GRFMTX_2D result)
 {
   GRFMTX_2D temp;
 
-  for (int row = 0; row < 3; row++)
+  for (int row = 0; row < 3; row++) {
     for (int col = 0; col < 3; col++) {
       temp[row][col] = 0;
       for (int calc = 0; calc < 3; calc++)
-	temp[row][col] += m1[row][calc] * m2[calc][col];
+	    temp[row][col] += m1[row][calc] * m2[calc][col];
     }
+  }
 
-  for (int row = 0; row < 3; row++)
+  for (int r = 0; r < 3; r++)
     for (int col = 0; col < 3; col++)
-      result[row][col] = temp[row][col];
+      result[r][col] = temp[r][col];
 }
 
 void 
-xform_mtx2 (GRFMTX_2D m, double& x, double& y)
+xform_mtx2 (const GRFMTX_2D m, double& x, double& y)
 {
   double xt = x * m[0][0] + y * m[1][0] + m[2][0];
   double yt = x * m[0][1] + y * m[1][1] + m[2][1];