r107: initial cvs import

[ctsim.git] / include / kmath.h

diff --git a/include/kmath.h b/include/kmath.h
index bb30f05d683f8caf073e37e742ef6bb5c706ed8f..e4c577b928a6b76f2329daba594f2da9f07705cc 100644 (file)
--- a/include/kmath.h
+++ b/include/kmath.h
@@ -9,7 +9,7 @@
 **  This is part of the CTSim program
 **  Copyright (C) 1983-2000 Kevin Rosenberg
 **
-**  $Id: kmath.h,v 1.14 2000/06/17 20:12:14 kevin Exp $
+**  $Id: kmath.h,v 1.16 2000/06/19 15:48:23 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
@@ -68,32 +68,45 @@ template<class T>
 inline T lineLength (T x1, T y1, T x2, T y2)
 { return static_cast<T>( sqrt ((x2-x1)*(x2-x1) + (y2-y1)*(y2-y1)) ); }
 
-/* clip.cpp */
-int clip_rect(double *x1, double *y1, double *x2, double *y2, const double rect[4]);
-int clip_segment(double *x1, double *y1, double *x2, double *y2, const double u, const double v);
-int clip_sector(double *x1, double *y1, double *x2, double *y2, const double u, const double v);
-int clip_circle(double *x1, double *y1, double *x2, double *y2, const double cx, const double cy, const double radius, double t1, double t2);
-int clip_triangle(double *x1, double *y1, double *x2, double *y2, const double u, const double v, const int clip_xaxis);
+template<class T>
+inline void minmax_array (const T* array, const int n, T& min, T& max)
+{
+  max = min = array[0];
+
+  for (int i = 1; i < n; i++)
+    if (array[i] < min)
+      min = array[i];
+    else if (array[i] > max)
+      max = array[i];
+}
+
+
+//////////////////////////////////////////////////////////////
+// FUNTION DECLARATIONS
+//////////////////////////////////////////////////////////////
 
-/* norm_ang.cpp */
-double norm_ang(double theta);
+// clip.cpp 
+int clip_rect(double& x1, double& y1, double& x2, double& y2, const double rect[4]);
+int clip_segment(double& x1, double& y1, double& x2, double& y2, const double u, const double v);
+int clip_sector(double& x1, double& y1, double& x2, double& y2, const double u, const double v);
+int clip_circle(double& x1, double& y1, double& x2, double& y2, const double cx, const double cy, const double radius, double t1, double t2);
+int clip_triangle(double& x1, double& y1, double& x2, double& y2, const double u, const double v, const int clip_xaxis);
 
-/* xform.cpp */
+// norm_ang.cpp 
+double norm_ang (double theta);
+
+// xform.cpp 
 void indent_mtx2(GRFMTX_2D m);
 void xlat_mtx2(GRFMTX_2D m, const double x, const double y);
 void scale_mtx2(GRFMTX_2D m, const double sx, const double sy);
 void rot_mtx2(GRFMTX_2D m, const double theta);
 void mult_mtx2(GRFMTX_2D m1, GRFMTX_2D m2, GRFMTX_2D result);
-void xform_mtx2(GRFMTX_2D m, double *x, double *y);
+void xform_mtx2(GRFMTX_2D m, double& x, double& y);
 void rotate2d(double x[], double y[], int pts, double angle);
 void xlat2d(double x[], double y[], int pts, double xoffset, double yoffset);
 void scale2d(double x[], double y[], int pts, double xfact, double yfact);
 
-/* simpson.cpp */
-double simpson(const double xmin, const double xmax, const double *y, const int np);
-
-/* minmax.cpp */
-void minmax_dvector(const double array[], const int pts, double *xmin, double *xmax);
-
+// simpson.cpp
+double integrateSimpson (const double xmin, const double xmax, const double *y, const int np);
 
 #endif