1 files changed, 98 insertions, 0 deletions
diff --git a/Math.h b/Math.h
new file mode 100644
index 000000000000..b284b64389f5
--- /dev/null
+++ b/Math.h
@@ -0,0 +1,98 @@
+#ifndef _MATH_H_INCLUDED_
+#define _MATH_H_INCLUDED_
+
+#include "destructive_reasoning.h"
+#include "variable.h"
+
+/*
+ * LIST OF FUNCTIONS
+ * sin, cos, tan
+ * asin, acos, atan
+ * log, ln
+ * abs
+ */
+
+/**
+ * CHECKLIST
+ * Interpret basic rpn
+ * Implement trig and ln
+ * Implement abs
+ * Fix negatives
+ *
+ */
+
+#define PLUS '+'
+#define MINUS '-'
+#define MULT '*'
+#define DIV '/'
+#define EXP '^'
+#define SIN "s"
+#define COS "c"
+#define TAN "t"
+#define ASIN "S"
+#define ACOS "C"
+#define ATAN "T"
+#define SQRT "q"
+#define LN "l"
+#define LOG "L"
+
+#define EXP_EVEN_NUMERATOR 1048576.0f
+
+class Math
+{
+public:
+	
+	static std::string	infixToRPN(std::string infix);
+	static double		evaluateRPN(std::string rpn, double x, bool verbose);
+	static void 		appendCurrentNumber(bool negative);
+
+	static double exponential(double base, double exponent, bool verbose);
+	
+	static std::vector<Variable *> variables;
+	
+	static void	setVariables(std::vector<Variable *> var);
+
+	static inline bool 	containsTrig(std::string current)
+	{
+		return (	current == "sin" || current == "cos" || current == "tan" ||
+				current == "asin"|| current == "acos"|| current == "atan");
+	};
+	static inline bool	containsLog(std::string current)
+	{
+		return (current == "ln" || current == "log");
+	};
+	static inline bool	containsFunction(std::string current)
+	{
+		return (current == "abs" || current == "sqrt");
+	};
+	static inline bool	isOperator(char c)
+	{
+		return (c=='^'||c=='*'||c=='/'||c=='+'||c=='-');
+	}
+	static int	isVariable(std::string s);
+	
+	int			identify(std::string infix, int index);	
+
+	enum Operators {Add, Subtract, Multiply, Divide};
+
+	static std::string currentNum;
+	static std::stringstream rpn;
+	static std::vector<std::string> stack;
+	static char lastChar(const std::string, int);
+	static double absolute(double num);
+	static bool isNegative(std::string current);
+
+	static std::vector<std::string> insults;
+
+	static std::string colorNames[];
+	static int colorValues[];
+	static int ANS;
+};
+
+typedef struct
+{
+	double x;
+	double y;
+}Coordinate;
+
+#endif