//
//  EXPStackMachine.h
//  StackMachine
//
//  Created by Ashley on 23/04/2007.
//  Copyright 2007 __MyCompanyName__. All rights reserved.
//

#import <Foundation/Foundation.h>
#import "EXPAssemblerConstants.h"
#include <gsl/gsl_errno.h>
#include <gsl/gsl_spline.h>
#import "history_protocol.h"

struct table_s {
	gsl_interp_accel *acc;
	gsl_spline *spline;
	double xmin;
	double xmax;
	double ymin;
	double ymax;
};
typedef struct table_s tableStructure;

@interface EXPStackMachine : NSObject {
	unsigned int *memory;
	unsigned int memorySize;
	double *stack;
	unsigned int stackSize;
	
	int nConstants;
	int nAuxiliaries;
	int nVariables;
	
	double *constants;
	double *auxiliaries;
	double *variables;
	double *gradients;
	tableStructure **tables;
	int nTables;

//	Registers.
	int pc;
	int sp;
	int x;
	double acc;

	id <history, NSObject> _history;
	double _startTime;
	double _stopTime;
	double _time;

}

- (id) initWithMemory:(unsigned int)memorySize stack:(unsigned int)stackSize;

- (unsigned int *) memory;

- (int) nConstants;
- (void) setNConstants:(int) newNConstants;
- (int) nAuxiliaries;
- (void) setNAuxiliaries:(int) newNAuxiliaries;
- (int) nVariables;
- (void) setNVariables:(int) newNVariables;

- (void) setConstants:(double *)newConstants;
- (double *) constants;
- (void) setAuxiliaries:(double *)newAuxiliaries;
- (double *) auxiliaries;
- (void) setVariables:(double *)newVariables;
- (double *) variables;
- (void) setGradients:(double *)newGradients;
- (double *) gradients;
- (void) setTables:(tableStructure **)newTables;
- (tableStructure **)tables;
- (void) setNTables:(int) newNTables;
- (int) nTables;

- (void) setHistory:(id <history, NSObject>)history;
- (id) history;
- (void) setTime:(double)time;
- (void) setStartTime:(double)startTime;
- (double) startTime;
- (void) setStopTime:(double)stopTime;
- (double) stopTime;

- (void) putUInt:(unsigned int)val;
- (void) putUInt:(unsigned int)val at:(unsigned int)location;
- (void) putDouble:(double)val;

- (void) runFromPc;

- (unsigned int)pc;
- (void) setPc:(unsigned int)newPc;
- (unsigned int)sp;
- (void) setSp:(unsigned int)newSp;
- (double)acc;
- (void) setAcc:(double)newAcc;

- (void) dump:(unsigned int)start to:(unsigned int)stop;

@end