/*! \file SIMD.h
	Contains prototpyes for all the SIMD functions
*/

/************************************************************************************************
Copyright 2008 Gregory W Heckler

This file is part of the GPS Software Defined Radio (GPS-SDR)

The GPS-SDR is free software; you can redistribute it and/or modify it under the terms of the
GNU General Public License as published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.

The GPS-SDR is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.

You should have received a copy of the GNU General Public License along with GPS-SDR; if not,
write to the:

Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
************************************************************************************************/


#ifndef SIMD_H_
#define SIMD_H_


//#ifdef GLOBALS_HERE
//	#define EXTERN
//#else
//	#define EXTERN extern
//#endif

#include "gps_sdr_defines.h"
#include "gps_sdr_signal_processing.h"

/* Found in CPUID.cpp */
/*----------------------------------------------------------------------------------------------*/
bool CPU_MMX();		//!< Does the CPU support MMX?
bool CPU_SSE();		//!< Does the CPU support SSE?
bool CPU_SSE2();	//!< Does the CPU support SSE2?
bool CPU_SSE3();	//!< Does the CPU support SSE3?
bool CPU_SSSE3();	//!< Does the CPU support SSSE3? No thats not a typo!
bool CPU_SSE41();	//!< Does the CPU support SSE4.1?
bool CPU_SSE42();	//!< Does the CPU support SSE4.2?
void Init_SIMD();	//!< Initialize the global function pointers
/*----------------------------------------------------------------------------------------------*/

/* Found in SSE.cpp */
/*----------------------------------------------------------------------------------------------*/
void  sse_add(int16 *A, int16 *B, int32 cnt) __attribute__ ((noinline));	//!< Pointwise vector addition
void  sse_sub(int16 *A, int16 *B, int32 cnt) __attribute__ ((noinline));	//!< Pointwise vector difference
void  sse_mul(int16 *A, int16 *B, int32 cnt) __attribute__ ((noinline));	//!< Pointwise vector multiply
int32 sse_dot(int16 *A, int16 *B, int32 cnt) __attribute__ ((noinline));	//!< Compute vector dot product

void  sse_conj(CPX *A, int32 cnt) __attribute__ ((noinline));											//!< Pointwise vector conjugate
void  sse_cacc(CPX *A, MIX *B, int32 cnt, int32 *iaccum, int32 *baccum) __attribute__ ((noinline));		//!< Compute dot product of cpx and a mix vector
void  sse_cmul(CPX *A, CPX *B, int32 cnt) __attribute__ ((noinline));									//!< Pointwise vector multiply
void  sse_cmuls(CPX *A, CPX *B, int32 cnt, int32 shift) __attribute__ ((noinline));						//!< Pointwise vector multiply with shift
void  sse_cmulsc(CPX *A, CPX *B, CPX *C, int32 cnt, int32 shift) __attribute__ ((noinline));			//!< Pointwise vector multiply with shift, dump results into C
void  sse_prn_accum(CPX *A, CPX *E, CPX *P, CPX *L, int32 cnt, CPX *accum) __attribute__ ((noinline));  //!< This is a long story
void  sse_prn_accum_new(CPX *A, MIX *E, MIX *P, MIX *L, int32 cnt, CPX_ACCUM *accum) __attribute__ ((noinline));  //!< This is a long story
void  sse_max(int32 *_A, int32 *_index, int32 *_magt, int32 _cnt) __attribute__ ((noinline));
/*----------------------------------------------------------------------------------------------*/


#endif /*SIMD_H_*/