OptimizedFunctions.h

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// Filename:  OptimizedFunctions.h
// Author:    Florian Hecht
// Date:      2008
// ****************************************************************************

#ifndef _OPTIMIZED_FUNCTIONS_H_
#define _OPTIMIZED_FUNCTIONS_H_



#ifdef OPT_DEFINE
#define OPTIMIZED_FUNCTION
#define OPTIMIZED_FUNCTION_END = 0
#else
#define OPTIMIZED_FUNCTION extern
#define OPTIMIZED_FUNCTION_END
#endif

// the header and footer have to be placed in each function that has an optimized version
// different macros for different number of parameters
#define OPTIMIZED_FUNCTION_HEADER_0(name) if (Optimized##name == NULL || Optimized##name() == 0) {
#define OPTIMIZED_FUNCTION_HEADER_1(name, p1) if (Optimized##name == NULL || Optimized##name(p1) == 0) {
#define OPTIMIZED_FUNCTION_HEADER_2(name, p1, p2) if (Optimized##name == NULL || Optimized##name(p1, p2) == 0) {
#define OPTIMIZED_FUNCTION_HEADER_2_ROI(name, p1, p2, p3) if (Optimized##name == NULL || p3 != 0 || Optimized##name(p1, p2) == 0) {
#define OPTIMIZED_FUNCTION_HEADER_3(name, p1, p2, p3) if (Optimized##name == NULL || Optimized##name(p1, p2, p3) == 0) {
#define OPTIMIZED_FUNCTION_HEADER_3_ROI(name, p1, p2, p3, p4) if (Optimized##name == NULL || p4 != 0 || Optimized##name(p1, p2, p3) == 0) {
#define OPTIMIZED_FUNCTION_HEADER_4(name, p1, p2, p3, p4) if (Optimized##name == NULL || Optimized##name(p1, p2, p3, p4) == 0) {
#define OPTIMIZED_FUNCTION_HEADER_5(name, p1, p2, p3, p4, p5) if (Optimized##name == NULL || Optimized##name(p1, p2, p3, p4, p5) == 0) {
#define OPTIMIZED_FUNCTION_HEADER_5_RET(name, p1, p2, p3, p4, p5) int nRet; if (Optimized##name != NULL && Optimized##name(p1, p2, p3, p4, p5, nRet) != 0) return nRet;
#define OPTIMIZED_FUNCTION_HEADER_8(name, p1, p2, p3, p4, p5, p6, p7, p8) if (Optimized##name == NULL || Optimized##name(p1, p2, p3, p4, p5, p6, p7, p8) == 0) {
#define OPTIMIZED_FUNCTION_HEADER_8_ROI(name, p1, p2, p3, p4, p5, p6, p7, p8, p9) if (Optimized##name == NULL || p9 != 0 || Optimized##name(p1, p2, p3, p4, p5, p6, p7, p8) == 0) {
#define OPTIMIZED_FUNCTION_HEADER_9(name, p1, p2, p3, p4, p5, p6, p7, p8, p9) if (Optimized##name == NULL || Optimized##name(p1, p2, p3, p4, p5, p6, p7, p8, p9) == 0) {

#define OPTIMIZED_FUNCTION_FOOTER }

// these macros create a type definition of function and declare a function pointer to that function
// different macros for different number of parameters
#define DECLARE_OPTIMIZED_FUNCTION_0(name) typedef int (*DefOptimized##name)(); OPTIMIZED_FUNCTION DefOptimized##name Optimized##name OPTIMIZED_FUNCTION_END;
#define DECLARE_OPTIMIZED_FUNCTION_1(name, p1) typedef int (*DefOptimized##name)(p1); OPTIMIZED_FUNCTION DefOptimized##name Optimized##name OPTIMIZED_FUNCTION_END;
#define DECLARE_OPTIMIZED_FUNCTION_2(name, p1, p2) typedef int (*DefOptimized##name)(p1, p2); OPTIMIZED_FUNCTION DefOptimized##name Optimized##name OPTIMIZED_FUNCTION_END;
#define DECLARE_OPTIMIZED_FUNCTION_3(name, p1, p2, p3) typedef int (*DefOptimized##name)(p1, p2, p3); OPTIMIZED_FUNCTION DefOptimized##name Optimized##name OPTIMIZED_FUNCTION_END;
#define DECLARE_OPTIMIZED_FUNCTION_4(name, p1, p2, p3, p4) typedef int (*DefOptimized##name)(p1, p2, p3, p4); OPTIMIZED_FUNCTION DefOptimized##name Optimized##name OPTIMIZED_FUNCTION_END;
#define DECLARE_OPTIMIZED_FUNCTION_5(name, p1, p2, p3, p4, p5) typedef int (*DefOptimized##name)(p1, p2, p3, p4, p5); OPTIMIZED_FUNCTION DefOptimized##name Optimized##name OPTIMIZED_FUNCTION_END;
#define DECLARE_OPTIMIZED_FUNCTION_5_RET(name, p1, p2, p3, p4, p5) typedef int (*DefOptimized##name)(p1, p2, p3, p4, p5, int &nRet); OPTIMIZED_FUNCTION DefOptimized##name Optimized##name OPTIMIZED_FUNCTION_END;
#define DECLARE_OPTIMIZED_FUNCTION_8(name, p1, p2, p3, p4, p5, p6, p7, p8) typedef int (*DefOptimized##name)(p1, p2, p3, p4, p5, p6, p7, p8); OPTIMIZED_FUNCTION DefOptimized##name Optimized##name OPTIMIZED_FUNCTION_END;
#define DECLARE_OPTIMIZED_FUNCTION_9(name, p1, p2, p3, p4, p5, p6, p7, p8, p9) typedef int (*DefOptimized##name)(p1, p2, p3, p4, p5, p6, p7, p8, p9); OPTIMIZED_FUNCTION DefOptimized##name Optimized##name OPTIMIZED_FUNCTION_END;

// this include will generate the necessary declaration
// due to the DECLARE_OPTIMIZED_FUNCTION_x macros
#include "OptimizedFunctionsList.h"



#endif /* _OPTIMIZED_FUNCTIONS_H_ */