mathexpr.c File Reference

#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "mathexpr.h"

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Classes
struct	TreeNode

Macros
#define	_CRT_SECURE_NO_DEPRECATE
#define	MAX_STACK_SIZE   1024

Typedefs
typedef struct TreeNode	ExprTree

Functions
double	mathexpr_eval (MathExpr *expr, double(*getVariableValue)(int))
void	mathexpr_delete (MathExpr *expr)
MathExpr *	mathexpr_create (char *formula, int(*getVar)(char *))

Variables
char *	MathFunc []

Macro Definition Documentation

_CRT_SECURE_NO_DEPRECATE

#define _CRT_SECURE_NO_DEPRECATE

MAX_STACK_SIZE

#define MAX_STACK_SIZE   1024

Typedef Documentation

ExprTree

typedef struct TreeNode ExprTree

Function Documentation

mathexpr_create()

MathExpr * mathexpr_create	(	char *	formula,
		int(*	getVar )(char *) )

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mathexpr_delete()

void mathexpr_delete

(

MathExpr *

expr

)

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mathexpr_eval()

double mathexpr_eval	(	MathExpr *	expr,
		double(*	getVariableValue )(int) )

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Variable Documentation

MathFunc

char* MathFunc[]

Initial value:

=  {"COS", "SIN", "TAN", "COT", "ABS", "SGN",
                     "SQRT", "LOG", "EXP", "ASIN", "ACOS", "ATAN",
                     "ACOT", "SINH", "COSH", "TANH", "COTH", "LOG10",
                     "STEP", NULL}