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                        (C) Copyright Fraunhofer IIS (2006)
                               All Rights Reserved

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    Confidential Information of Fraunhofer and subject to and covered by the

    Fraunhofer IIS Software Evaluation Agreement
    between Google Inc. and  Fraunhofer
    effective and in full force since March 1, 2012.

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    conditions described in the above mentioned Fraunhofer IIS Software
    Evaluation Agreement. Any other and/or further use requires a separate agreement.


   $Id$
   Author(s):
   Description: fixed point intrinsics

   This software and/or program is protected by copyright law and international
   treaties. Any reproduction or distribution of this software and/or program,
   or any portion of it, may result in severe civil and criminal penalties, and
   will be prosecuted to the maximum extent possible under law.

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

#include "common_fix.h"

#if !defined(__CPLX_Mult_H__)
#define __CPLX_Mult_H__

#if defined(__CC_ARM) || defined(__arm__) || defined(_M_ARM)	/* cppp replaced: elif */
#include "arm/cplx_mul.h"

#elif defined(__GNUC__) && defined(__mips__)	/* cppp replaced: elif */
#include "mips/cplx_mul.h"

#endif /* #if defined all cores: bfin, arm, etc. */

/* ############################################################################# */

/* Fallback generic implementations */

#if !defined(FUNCTION_cplxMultDiv2_32x16X2)
#define FUNCTION_cplxMultDiv2_32x16X2

inline void cplxMultDiv2( FIXP_DBL *c_Re,
                          FIXP_DBL *c_Im,
                          const FIXP_DBL  a_Re,
                          const FIXP_DBL  a_Im,
                          const FIXP_SGL  b_Re,
                          const FIXP_SGL  b_Im)
{
  *c_Re = fMultDiv2(a_Re,b_Re) - fMultDiv2(a_Im,b_Im);
  *c_Im = fMultDiv2(a_Re,b_Im) + fMultDiv2(a_Im,b_Re);
}
#endif

#if !defined(FUNCTION_cplxMultDiv2_32x16)
#define FUNCTION_cplxMultDiv2_32x16

inline void cplxMultDiv2( FIXP_DBL *c_Re,
                          FIXP_DBL *c_Im,
                          const FIXP_DBL a_Re,
                          const FIXP_DBL a_Im,
                          const FIXP_SPK w )
{
  cplxMultDiv2(c_Re, c_Im, a_Re, a_Im, w.v.re, w.v.im);
}
#endif

#if !defined(FUNCTION_cplxMultAddDiv2_32x16X2)
#define FUNCTION_cplxMultAddDiv2_32x16X2

inline void cplxMultAddDiv2( FIXP_DBL *c_Re,
                          FIXP_DBL *c_Im,
                          const FIXP_DBL  a_Re,
                          const FIXP_DBL  a_Im,
                          const FIXP_SGL  b_Re,
                          const FIXP_SGL  b_Im)
{
  *c_Re += fMultDiv2(a_Re,b_Re) - fMultDiv2(a_Im,b_Im);
  *c_Im += fMultDiv2(a_Re,b_Im) + fMultDiv2(a_Im,b_Re);
}
#endif

#if !defined(FUNCTION_cplxMultSubDiv2_32x16X2)
#define FUNCTION_cplxMultSubDiv2_32x16X2

inline void cplxMultSubDiv2( FIXP_DBL *c_Re,
                             FIXP_DBL *c_Im,
                             const FIXP_DBL  a_Re,
                             const FIXP_DBL  a_Im,
                             const FIXP_SGL  b_Re,
                             const FIXP_SGL  b_Im)
{
  *c_Re -= fMultDiv2(a_Re,b_Re) - fMultDiv2(a_Im,b_Im);
  *c_Im -= fMultDiv2(a_Re,b_Im) + fMultDiv2(a_Im,b_Re);
}
#endif

#if !defined(FUNCTION_cplxMultDiv2_32x32X2)
#define FUNCTION_cplxMultDiv2_32x32X2

inline void cplxMultDiv2( FIXP_DBL *c_Re,
                          FIXP_DBL *c_Im,
                          const FIXP_DBL  a_Re,
                          const FIXP_DBL  a_Im,
                          const FIXP_DBL  b_Re,
                          const FIXP_DBL  b_Im)
{
  *c_Re = fMultDiv2(a_Re,b_Re) - fMultDiv2(a_Im,b_Im);
  *c_Im = fMultDiv2(a_Re,b_Im) + fMultDiv2(a_Im,b_Re);
}
#endif

#if !defined(FUNCTION_cplxMultDiv2_32x32)
#define FUNCTION_cplxMultDiv2_32x32

inline void cplxMultDiv2( FIXP_DBL *c_Re,
                          FIXP_DBL *c_Im,
                          const FIXP_DBL  a_Re,
                          const FIXP_DBL  a_Im,
                          const FIXP_DPK  w)
{
  cplxMultDiv2(c_Re, c_Im, a_Re, a_Im, w.v.re, w.v.im);
}
#endif

#if !defined(FUNCTION_cplxMultSubDiv2_32x32X2)
#define FUNCTION_cplxMultSubDiv2_32x32X2

inline void cplxMultSubDiv2( FIXP_DBL *c_Re,
                             FIXP_DBL *c_Im,
                             const FIXP_DBL  a_Re,
                             const FIXP_DBL  a_Im,
                             const FIXP_DBL  b_Re,
                             const FIXP_DBL  b_Im)
{
  *c_Re -= fMultDiv2(a_Re,b_Re) - fMultDiv2(a_Im,b_Im);
  *c_Im -= fMultDiv2(a_Re,b_Im) + fMultDiv2(a_Im,b_Re);
}
#endif

/* ############################################################################# */

#if !defined(FUNCTION_cplxMult_32x16X2)
#define FUNCTION_cplxMult_32x16X2

inline void cplxMult( FIXP_DBL *c_Re,
                      FIXP_DBL *c_Im,
                      const FIXP_DBL  a_Re,
                      const FIXP_DBL  a_Im,
                      const FIXP_SGL  b_Re,
                      const FIXP_SGL  b_Im)
{
  *c_Re = fMult(a_Re,b_Re) - fMult(a_Im,b_Im);
  *c_Im = fMult(a_Re,b_Im) + fMult(a_Im,b_Re);
}
#endif

#if !defined(FUNCTION_cplxMult_32x16)
#define FUNCTION_cplxMult_32x16

inline void cplxMult( FIXP_DBL *c_Re,
                      FIXP_DBL *c_Im,
                      const FIXP_DBL a_Re,
                      const FIXP_DBL a_Im,
                      const FIXP_SPK w )
{
  cplxMult(c_Re, c_Im, a_Re, a_Im, w.v.re, w.v.im);
}
#endif

#if !defined(FUNCTION_cplxMult_32x32X2)
#define FUNCTION_cplxMult_32x32X2

inline void cplxMult( FIXP_DBL *c_Re,
                      FIXP_DBL *c_Im,
                      const FIXP_DBL  a_Re,
                      const FIXP_DBL  a_Im,
                      const FIXP_DBL  b_Re,
                      const FIXP_DBL  b_Im)
{
  *c_Re = fMult(a_Re,b_Re) - fMult(a_Im,b_Im);
  *c_Im = fMult(a_Re,b_Im) + fMult(a_Im,b_Re);
}
#endif

#if !defined(FUNCTION_cplxMult_32x32)
#define FUNCTION_cplxMult_32x32
inline void cplxMult( FIXP_DBL *c_Re,
                      FIXP_DBL *c_Im,
                      const FIXP_DBL  a_Re,
                      const FIXP_DBL  a_Im,
                      const FIXP_DPK  w)
{
  cplxMult(c_Re, c_Im, a_Re, a_Im, w.v.re, w.v.im);
}
#endif

/* ############################################################################# */

#endif /* __CPLX_Mult_H__ */