/**************************************************************

 *

 *  vecarith.h

 *

 *  Routines for AltiVec-based giant arithmetic.

 *

 *  This package is part of ongoing research in the

 *  Advanced Computation Group, Apple Computer.

 *  

 *  c. 1999 Apple Computer, Inc.

 *  All Rights Reserved.

 *

 *

 *************************************************************/

/*

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#if __MWERKS__

#include <altivec.h>

#endif

#ifdef __cplusplus

extern "C" {

#endif

// pResult = pVec2 * pVec1

void VecMult(                       vector unsigned long *pVec1,

                                    unsigned long   len1,

                                    vector unsigned long *pVec2,

                                    unsigned long   len2,

                                    vector unsigned long *pResult);                             

// pResult = pVec1*pVec1

void VecSquare(                     vector unsigned long *pVec1,

                                    unsigned long   len1,

                                    vector unsigned long *pResult);

// pResult = A0:A1 * B0:B1

void mult2by2(                      vector unsigned long  *pA0,

                                    vector unsigned long  *pA1,

                                    vector unsigned long  *pB0,

                                    vector unsigned long  *pB1,

                                    vector unsigned long  *pResult);

// pDest = pMultiplier * pVectors

void VecMult1(                      vector unsigned long *pMultiplier,

                                    unsigned long   vecCount,

                                    vector unsigned long *pVectors,

                                    vector unsigned long *pDest);

///////////////////////////////////         

// assembly routines (in .s file)

///////////////////////////////////         

// vecs *= multiplier

unsigned long MultVecsByULong(      vector unsigned long *vecs,

                                    unsigned long vecCount,

                                    register unsigned long multiplier);

// vecs += addDigit

unsigned long AddULongToVecs(       vector unsigned long *vecs,

                                    unsigned long vecCount,

                                    register unsigned long addDigit);

// pResult = pVec1 + pVec2

unsigned long addvecs(          vector unsigned long *pVec1,

                                unsigned long   len1,

                                vector unsigned long *pVec2,

                                unsigned long   len2,

                                vector unsigned long *pResult);

// pResult = pVec2 - pVec1

void subvecs(                   vector unsigned long *pVec1,

                                unsigned long   len1,

                                vector unsigned long *pVec2,

                                unsigned long   len2,

                                vector unsigned long *pResult);

#ifdef __cplusplus

}

#endif