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/* Copyright (c) 2004-2008 Sami Pietila
* Copyright (c) 2008-2009 Robert Ancell
*
* 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, 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.
*/
#ifndef MP_EQUATION_PRIVATE_H
#define MP_EQUATION_PRIVATE_H
#include "mp-equation.h"
/* An opaque pointer. */
#ifndef YY_TYPEDEF_YY_SCANNER_T
#define YY_TYPEDEF_YY_SCANNER_T
typedef void* yyscan_t;
#endif /* YY_TYPEDEF_YY_SCANNER_T */
typedef struct MPEquationParserState MPEquationParserState;
/* State for parser */
struct MPEquationParserState {
/* User provided options */
MPEquationOptions* options;
/* Function to check if a variable is defined */
int (*variable_is_defined)(MPEquationParserState* state, const char* name);
/* Function to get variable values */
int (*get_variable)(MPEquationParserState* state, const char* name, MPNumber* z);
/* Function to set variable values */
void (*set_variable)(MPEquationParserState* state, const char* name, const MPNumber *x);
/* Function to check if a function is defined */
int (*function_is_defined)(MPEquationParserState* state, const char* name);
/* Function to solve functions */
int (*get_function)(MPEquationParserState* state, const char* name, const MPNumber* x, MPNumber* z);
/* Function to convert units */
int (*convert)(MPEquationParserState* state, const MPNumber* x, const char* x_units, const char* z_units, MPNumber* z);
// FIXME: get_operator??
/* Error returned from parser */
int error;
/* Name of token where error occured */
char* error_token;
/* Value returned from parser */
MPNumber ret;
};
int _mp_equation_error(void* yylloc, MPEquationParserState* state, char* text);
#endif
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