** This is part of the CTSim program
** Copyright (C) 1983-2000 Kevin Rosenberg
**
-** $Id: kmath.h,v 1.3 2000/04/28 14:14:16 kevin Exp $
+** $Id: kmath.h,v 1.11 2000/06/09 01:35:33 kevin Exp $
** $Log: kmath.h,v $
+** Revision 1.11 2000/06/09 01:35:33 kevin
+** Convert MPI structure to C++ class
+**
+** 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 ***
**
******************************************************************************/
/******************************************************************************
*
- * 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 */
#define ASSUMEDZERO 1E-10
-/* codes for C data types */
-
-#define DT_CHAR 1
-#define DT_INT 2
-#define DT_LONG 3
-#define DT_FLOAT 4
-#define DT_DOUBLE 5
-#define DT_STRING 6
-
-typedef char *CMTX_1D;
-typedef CMTX_1D *CMTX_2D;
-typedef CMTX_2D *CMTX_3D;
-
-typedef int *IMTX_1D;
-typedef IMTX_1D *IMTX_2D;
-typedef IMTX_2D *IMTX_3D;
-
-typedef float *FMTX_1D;
-typedef FMTX_1D *FMTX_2D;
-typedef FMTX_2D *FMTX_3D;
-
-typedef double *DMTX_1D;
-typedef DMTX_1D *DMTX_2D;
-typedef DMTX_2D *DMTX_3D;
-
-union elem_val_un { /* holds an element value */
- char c;
- int i;
- long int l;
- float f;
- double d;
-};
-
-typedef union elem_val_un MTX_ELEM_VAL;
-
-
-union elem_ptr_un { /* holds a pointer to a 1D vector of any type */
- char *c;
- int *i;
- long int *l;
- float *f;
- double *d;
-};
-
-typedef union elem_ptr_un MTX_1D;
-typedef MTX_1D *MTX_2D;
-typedef MTX_2D *MTX_3D;
-
-union mtx_val_ptr_un { /* pointer to matrix values */
- MTX_1D m1;
- MTX_2D m2;
- MTX_3D m3;
-};
-
-typedef union mtx_val_ptr_un MTX_PTR;
-
-struct matrix_st {
- unsigned int order; /* order, or dimension, of matrix */
- unsigned int elemtype; /* element type */
- unsigned int elemsize; /* size of element in bytes */
- unsigned int nx, ny, nz; /* size of matrix in each dimension */
- MTX_PTR val; /* pointer to matrix values */
-};
-
-typedef struct matrix_st MTX;
-typedef struct matrix_st *MTXP;
-
-/* DEFINITION IDENTIFICATION
- *
- * Definitions to access a matrix element from an matrix
- *
-
-#define me1(mtx,x)\
- (mtx->elemtype == DT_FLOAT ? mtx->val.m1.f[x] :\
- (mtx->elemtype == DT_DOUBLE ? mtx->val.m1.d[x] :\
- (mtx->elemtype == DT_INT ? mtx->val.m1.i[x] :\
- (mtx->elemtype == DT_LONG ? mtx->val.m1.l[x] :\
- (mtx->elemtype == DT_CHAR ? mtx->val.m1.c[x] :\
- 0\
- )))))
-
-#define me2(mtx,x,y)\
- (mtx->elemtype == DT_FLOAT ? mtx->val.m2[x].f[y] :\
- (mtx->elemtype == DT_DOUBLE ? mtx->val.m2[x].d[y] :\
- (mtx->elemtype == DT_INT ? mtx->val.m2[x].i[y] :\
- (mtx->elemtype == DT_LONG ? mtx->val.m2[x].l[y] :\
- (mtx->elemtype == DT_CHAR ? mtx->val.m2[x].c[y] :\
- 0\
- )))))
-
-
-#define me3(mtx,x,y,z)\
- (mtx->elemtype == DT_FLOAT ? mtx->val.m3[x][y].f[z] :\
- (mtx->elemtype == DT_DOUBLE ? mtx->val.m3[x][y].d[z] :\
- (mtx->elemtype == DT_INT ? mtx->val.m3[x][y].i[z] :\
- (mtx->elemtype == DT_LONG ? mtx->val.m3[x][y].l[z] :\
- (mtx->elemtype == DT_CHAR ? mtx->val.m3[x][y].c[z] :\
- 0\
- )))))
-*/
+typedef double GRFMTX_2D[3][3];
+typedef double GRFMTX_3D[4][4];
+/* 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);
/* lnearest.c */
long int lnearest(double x);
-/* 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);
+
+/* minmax.c */
+double fmax(const double a, const double b);
+void minmax_dvector(const double array[], const int pts, double *xmin, double *xmax);
+
/* norm_ang.c */
double norm_ang(double theta);
+
/* simpson.c */
double simpson(const double xmin, const double xmax, const double *y, const int np);
+/* 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