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#ifndef IVL_table_mod_H
#define IVL_table_mod_H
/*
* Copyright (C) 2011-2014 Cary R. (cygcary@yahoo.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdio.h>
#include <vpi_user.h>
/*
* Define the allowed interpolation control values.
*/
#define IVL_CLOSEST_POINT 0 /* D */
#define IVL_LINEAR_INTERP 1 /* 1 - Default */
#define IVL_QUADRATIC_INTERP 2 /* 2 */
#define IVL_CUBIC_INTERP 3 /* 3 */
#define IVL_IGNORE_COLUMN 4 /* I */
/*
* Define the allowed extrapolation control values.
*/
#define IVL_CONSTANT_EXTRAP 0 /* C */
#define IVL_LINEAR_EXTRAP 1 /* L - Default */
#define IVL_ERROR_EXTRAP 2 /* E */
/*
* Structure that represents an individual iso line element.
*/
typedef struct t_indep {
double value;
struct t_indep *left; /* previous element. */
struct t_indep *right; /* next element. */
union {
double data;
struct t_indep *child;
struct t_build *build;
} data;
} s_indep, *p_indep;
/*
* This is used as an interface element while building the iso lines. It will
* be removed when the list is converted to a balanced threaded tree. It is
* used to make in order insertion faster.
*/
typedef struct t_build {
p_indep first;
p_indep last;
unsigned count;
} s_build, *p_build;
/*
* This structure is saved for each table model instance.
*/
typedef struct t_table_mod {
vpiHandle *indep; /* Independent variable arguments. */
double *indep_val; /* Current independent variable values. */
union { /* Data file or argument to get the data file. */
char *name;
vpiHandle arg;
} file;
union { /* Control string argument. */
struct {
char *interp;
char *extrap_low;
char *extrap_high;
} info;
vpiHandle arg;
} control;
// HERE need a pointer to the dependent data and the final table.
unsigned dims; /* The number of independent variables. */
unsigned fields; /* The number of control fields. */
unsigned depend; /* Where the dependent column is located. */
char have_fname; /* Has the file name been allocated? */
char have_ctl; /* Has the file name been allocated? */
} s_table_mod, *p_table_mod;
/*
* Define the non-static table model routines.
*/
extern unsigned parse_table_model(FILE *fp, vpiHandle callh, p_table_mod table);
extern int tblmodlex(void);
extern void destroy_tblmod_lexor(void);
extern void init_tblmod_lexor(FILE *fp);
#endif /* IVL_table_mod_H */
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