/*****************************************************************************
** This is part of the CTSim program
-** Copyright (C) 1983-2000 Kevin Rosenberg
+** Copyright (c) 1983-2001 Kevin Rosenberg
**
-** $Id: xform.cpp,v 1.2 2000/06/19 19:04:05 kevin Exp $
+** $Id: xform.cpp,v 1.6 2001/01/28 19:10:18 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
}
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];