From f4c20290509d7ed3a8fd5304577e7a4cc0b9d974 Mon Sep 17 00:00:00 2001
From: Mike Buland <eichlan@xagasoft.com>
Date: Tue, 3 Apr 2007 03:49:53 +0000
Subject: Ok, no code is left in src, it's all in src/old.  We'll gradually
 move code back into src as it's fixed and re-org'd.  This includes tests,
 which, I may write a unit test system into libbu++ just to make my life
 easier.

---
 src/formula.h | 77 -----------------------------------------------------------
 1 file changed, 77 deletions(-)
 delete mode 100644 src/formula.h

(limited to 'src/formula.h')

diff --git a/src/formula.h b/src/formula.h
deleted file mode 100644
index 939eb09..0000000
--- a/src/formula.h
+++ /dev/null
@@ -1,77 +0,0 @@
-#ifndef FORMULA_H
-#define FORMULA_H
-
-#include <stdint.h>
-
-#include <math.h>
-#include <stack>
-#include "sbuffer.h"
-
-#include "exceptionbase.h"
-#include "hash.h"
-
-subExceptionDecl( ParseException );
-
-/**
- * Implements a very simple formula parser that allows use of variables and
- * custom functions.  This is based on a simple calculator-type parser that
- * executes as it processes, accounting for operator precedence and grouping.
- */
-class Formula
-{
-public:
-	Formula();
-	virtual ~Formula();
-
-	double run( char *sFormula );
-
-	typedef Hash<std::string, double> varHash;
-	varHash hVars;
-
-	typedef struct Func
-	{
-		double operator()( double x )
-		{
-			return 0.0;
-		}
-	} Func;
-
-	typedef Hash<std::string, Func> funcHash;
-	funcHash hFunc;
-
-	typedef struct FuncSin : Func
-	{
-		double operator()( double x )
-		{
-			return sin( x );
-		}
-	} FuncSin;
-
-private:
-	enum
-	{
-		symEOS,
-		symAdd,
-		symSubtract,
-		symMultiply,
-		symDivide,
-		symOpenParen,
-		symCloseParen,
-		symNumber,
-		symVariable,
-		symExponent,
-		symModulus
-	};
-
-	typedef uint8_t symType;
-
-	std::stack<symType> sOper;
-	std::stack<double> sValue;
-
-private:
-	symType getPrec( symType nOper );
-	symType nextToken( char **sBuf );
-	void reduce( bool bCloseParen = false );
-};
-
-#endif
-- 
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