+/*****************************************************************************
+** This is part of the CTSim program
+** Copyright (C) 1983-2000 Kevin Rosenberg
+**
+** $Id: kmath.h,v 1.10 2000/06/07 00:59:38 kevin Exp $
+** $Log: kmath.h,v $
+** Revision 1.10 2000/06/07 00:59:38 kevin
+** added imagefiles
+**
+** Revision 1.9 2000/05/08 20:00:48 kevin
+** ANSI C changes
+**
+** Revision 1.8 2000/05/07 12:46:19 kevin
+** made c++ compatible
+**
+** Revision 1.7 2000/05/04 18:16:34 kevin
+** renamed filter definitions
+**
+** Revision 1.6 2000/05/02 20:00:25 kevin
+** *** empty log message ***
+**
+** Revision 1.5 2000/05/02 15:31:39 kevin
+** code cleaning
+**
+** Revision 1.4 2000/04/30 19:17:35 kevin
+** Set up include files for conditional INTERACTIVE_GRAPHICS
+**
+** Revision 1.3 2000/04/28 14:14:16 kevin
+** *** empty log message ***
+**
+**
+** 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
+** published by the Free Software Foundation.
+**
+** 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
+******************************************************************************/
/******************************************************************************
*
- * FILE IDENTIFICATION
- *
- * File Name: NUMR.H
- * Author: Kevin Rosenberg
- * Purpose: Header file containing definitions for numerical app's
+ * PURPOSE
+ * Header file containing definitions for numerical app's
* Date Started: Nov 84
*
- * DESCRIPTION
- *
- * MODIFICATION LOG
- *
*****************************************************************************/
#ifndef _H_kmath
#include <stdio.h>
#include <math.h>
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
#define PI 3.14159265358979323846
#define HALFPI 1.57079632679489661923 /* PI divided by 2 */
#define QUARTPI 0.78539816339744830962 /* PI divided by 4 */
/* codes for C data types */
#define DT_CHAR 1
-#define DT_INT 2
+#define DT_INT 2
#define DT_LONG 3
#define DT_FLOAT 4
#define DT_DOUBLE 5
-#define DT_STRING 6
+#define DT_UINT32 6
+#define DT_STRING 7
typedef char *CMTX_1D;
typedef CMTX_1D *CMTX_2D;
typedef DMTX_1D *DMTX_2D;
typedef DMTX_2D *DMTX_3D;
+typedef double GRFMTX_2D[3][3];
+typedef double GRFMTX_3D[4][4];
+
union elem_val_un { /* holds an element value */
char c;
int i;
)))))
*/
+/* clip.c */
+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);
-/* calc_x.c */
-int calc_x(double *x, const double xmin, const double xmax, const int n);
-/* calcpoly.c */
-void calcpoly(const double *a, const int degree, const double *x, double *y, const int n);
-/* gauss.c */
-int gauss(double **a, double *b, double *x, const int num);
/* lnearest.c */
long int lnearest(double x);
-/* lsfit.c */
-int lsfit(double *x, double *y, int n, int degree, double *coeff, FILE *fp);
-/* matprt.c */
-void matprt(const double **m, const int row, const int col, FILE *fp);
+
+/* minmax.c */
+double fmax(const double a, const double b);
+void minmax_dvector(const double array[], const int pts, double *xmin, double *xmax);
+
/* mtx_disp.c */
void mtx_show(const MTX *mtx);
void mtx_prt(const MTX *mtx, FILE *fp);
int mtx_prt_elem(const MTX *mtx, FILE *fp, unsigned int x, unsigned int y, unsigned int z);
+
/* mtx_elem.c */
int mtx_get_elem(const MTX *mtx, MTX_ELEM_VAL *me, const int x, const int y, const int z);
int mtx_put_elem(MTX *mtx, const MTX_ELEM_VAL *me, unsigned int x, unsigned int y, unsigned int z);
+
/* mtx_inp.c */
int mtx_inp_elem(const char *prompt, MTX_ELEM_VAL *mev, const int dtype);
+
/* mtx_main.c */
MTX *mtx_init(const unsigned int order, const unsigned int elem_type, const unsigned int nx, const unsigned int ny, const unsigned int nz);
MTX *mtx_clr(MTX *mtx);
int mtx_free(MTX *mtx);
int mtx_elem_size(const int dt);
int mtx_check(const MTX *mtx, const char *func_name);
+
/* norm_ang.c */
double norm_ang(double theta);
-/* pntprt.c */
-void pntprt(const double *x, const double *y, const int n, FILE *fp);
-/* pntread.c */
-int pntread(double *x, double *y, int *num, const int maxn, FILE *fp);
-/* poly.c */
-double poly(const double *a, const int degree, const double x);
+
/* simpson.c */
double simpson(const double xmin, const double xmax, const double *y, const int np);
-/* stddev.c */
-double stddev(const double *y1, const double *y2, const int n, const int df_lost);
-/* vectprt.c */
-void vectprt(const double *v, const int n, FILE *fp);
-/* vectread.c */
-int vectread(double *v, int *n, const int maxn, FILE *fp);
-/* vectsort.c */
-int vectsort(int num_vec, const int dtype, const int num_pts, char *vec1, char *vec2, char *vec3);
+
+/* xform.c */
+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 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);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
#endif
projects / ctsim.git / blobdiff