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/*************************** Fraunhofer IIS FDK Tools **********************
(C) Copyright Fraunhofer IIS (2003)
All Rights Reserved
Please be advised that this software and/or program delivery is
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.
You may use this software and/or program only under the terms and
conditions described in the above mentioned Fraunhofer IIS Software
Evaluation Agreement. Any other and/or further use requires a separate agreement.
$Id$
Author(s): M. Lohwasser, M. Gayer
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.
******************************************************************************/
#if !defined(__FIXMADD_H__)
#define __FIXMADD_H__
#include "FDK_archdef.h"
#include "machine_type.h"
#include "fixmul.h"
#if defined(__arm__)
#include "arm/fixmadd_arm.h"
#elif defined(__mips__) /* cppp replaced: elif */
#include "mips/fixmadd_mips.h"
#endif /* all cores */
/*************************************************************************
*************************************************************************
Software fallbacks for missing functions.
**************************************************************************
**************************************************************************/
/* Divide by two versions. */
#if !defined(FUNCTION_fixmadddiv2_DD)
inline FIXP_DBL fixmadddiv2_DD (FIXP_DBL x, const FIXP_DBL a, const FIXP_DBL b)
{ return (x + fMultDiv2 (a, b)); }
#endif
#if !defined(FUNCTION_fixmadddiv2_SD)
inline FIXP_DBL fixmadddiv2_SD (FIXP_DBL x, const FIXP_SGL a, const FIXP_DBL b) {
#ifdef FUNCTION_fixmadddiv2_DS
return fixmadddiv2_DS(x, b, a);
#else
return fixmadddiv2_DD(x, FX_SGL2FX_DBL(a), b);
#endif
}
#endif
#if !defined(FUNCTION_fixmadddiv2_DS)
inline FIXP_DBL fixmadddiv2_DS (FIXP_DBL x, const FIXP_DBL a, const FIXP_SGL b) {
#ifdef FUNCTION_fixmadddiv2_SD
return fixmadddiv2_SD(x, b, a);
#else
return fixmadddiv2_DD(x, a, FX_SGL2FX_DBL(b));
#endif
}
#endif
#if !defined(FUNCTION_fixmadddiv2_SS)
inline FIXP_DBL fixmadddiv2_SS (FIXP_DBL x, const FIXP_SGL a, const FIXP_SGL b)
{ return x + fMultDiv2(a,b); }
#endif
#if !defined(FUNCTION_fixmsubdiv2_DD)
inline FIXP_DBL fixmsubdiv2_DD (FIXP_DBL x, const FIXP_DBL a, const FIXP_DBL b)
{ return (x - fMultDiv2 (a, b)); }
#endif
#if !defined(FUNCTION_fixmsubdiv2_SD)
inline FIXP_DBL fixmsubdiv2_SD (FIXP_DBL x, const FIXP_SGL a, const FIXP_DBL b) {
#ifdef FUNCTION_fixmsubdiv2_DS
return fixmsubdiv2_DS(x, b, a);
#else
return fixmsubdiv2_DD(x, FX_SGL2FX_DBL(a), b);
#endif
}
#endif
#if !defined(FUNCTION_fixmsubdiv2_DS)
inline FIXP_DBL fixmsubdiv2_DS (FIXP_DBL x, const FIXP_DBL a, const FIXP_SGL b) {
#ifdef FUNCTION_fixmsubdiv2_SD
return fixmsubdiv2_SD(x, b, a);
#else
return fixmsubdiv2_DD(x, a, FX_SGL2FX_DBL(b));
#endif
}
#endif
#if !defined(FUNCTION_fixmsubdiv2_SS)
inline FIXP_DBL fixmsubdiv2_SS (FIXP_DBL x, const FIXP_SGL a, const FIXP_SGL b)
{ return x - fMultDiv2(a,b); }
#endif
#if !defined(FUNCTION_fixmadddiv2BitExact_DD)
#define FUNCTION_fixmadddiv2BitExact_DD
inline FIXP_DBL fixmadddiv2BitExact_DD (FIXP_DBL x, const FIXP_DBL a, const FIXP_DBL b) {
return x + fMultDiv2BitExact(a, b);
}
#endif
#if !defined(FUNCTION_fixmadddiv2BitExact_SD)
#define FUNCTION_fixmadddiv2BitExact_SD
inline FIXP_DBL fixmadddiv2BitExact_SD (FIXP_DBL x, const FIXP_SGL a, const FIXP_DBL b) {
#ifdef FUNCTION_fixmadddiv2BitExact_DS
return fixmadddiv2BitExact_DS(x, b, a);
#else
return x + fMultDiv2BitExact(a, b);
#endif
}
#endif
#if !defined(FUNCTION_fixmadddiv2BitExact_DS)
#define FUNCTION_fixmadddiv2BitExact_DS
inline FIXP_DBL fixmadddiv2BitExact_DS (FIXP_DBL x, const FIXP_DBL a, const FIXP_SGL b) {
#ifdef FUNCTION_fixmadddiv2BitExact_SD
return fixmadddiv2BitExact_SD(x, b, a);
#else
return x + fMultDiv2BitExact(a, b);
#endif
}
#endif
#if !defined(FUNCTION_fixmsubdiv2BitExact_DD)
#define FUNCTION_fixmsubdiv2BitExact_DD
inline FIXP_DBL fixmsubdiv2BitExact_DD (FIXP_DBL x, const FIXP_DBL a, const FIXP_DBL b) {
return x - fMultDiv2BitExact(a, b);
}
#endif
#if !defined(FUNCTION_fixmsubdiv2BitExact_SD)
#define FUNCTION_fixmsubdiv2BitExact_SD
inline FIXP_DBL fixmsubdiv2BitExact_SD (FIXP_DBL x, const FIXP_SGL a, const FIXP_DBL b) {
#ifdef FUNCTION_fixmsubdiv2BitExact_DS
return fixmsubdiv2BitExact_DS(x, b, a);
#else
return x - fMultDiv2BitExact(a, b);
#endif
}
#endif
#if !defined(FUNCTION_fixmsubdiv2BitExact_DS)
#define FUNCTION_fixmsubdiv2BitExact_DS
inline FIXP_DBL fixmsubdiv2BitExact_DS (FIXP_DBL x, const FIXP_DBL a, const FIXP_SGL b) {
#ifdef FUNCTION_fixmsubdiv2BitExact_SD
return fixmsubdiv2BitExact_SD(x, b, a);
#else
return x - fMultDiv2BitExact(a, b);
#endif
}
#endif
/* Normal versions */
#if !defined(FUNCTION_fixmadd_DD)
inline FIXP_DBL fixmadd_DD (FIXP_DBL x, const FIXP_DBL a, const FIXP_DBL b)
{ return fixmadddiv2_DD(x,a,b)<<1; }
#endif
#if !defined(FUNCTION_fixmadd_SD)
inline FIXP_DBL fixmadd_SD (FIXP_DBL x, const FIXP_SGL a, const FIXP_DBL b) {
#ifdef FUNCTION_fixmadd_DS
return fixmadd_DS(x, b, a);
#else
return fixmadd_DD(x, FX_SGL2FX_DBL(a), b);
#endif
}
#endif
#if !defined(FUNCTION_fixmadd_DS)
inline FIXP_DBL fixmadd_DS (FIXP_DBL x, const FIXP_DBL a, const FIXP_SGL b) {
#ifdef FUNCTION_fixmadd_SD
return fixmadd_SD(x, b, a);
#else
return fixmadd_DD(x, a, FX_SGL2FX_DBL(b));
#endif
}
#endif
#if !defined(FUNCTION_fixmadd_SS)
inline FIXP_DBL fixmadd_SS (FIXP_DBL x, const FIXP_SGL a, const FIXP_SGL b)
{ return (x + fMultDiv2(a,b))<<1; }
#endif
#if !defined(FUNCTION_fixmsub_DD)
inline FIXP_DBL fixmsub_DD (FIXP_DBL x, const FIXP_DBL a, const FIXP_DBL b)
{ return fixmsubdiv2_DD(x,a,b)<<1; }
#endif
#if !defined(FUNCTION_fixmsub_SD)
inline FIXP_DBL fixmsub_SD (FIXP_DBL x, const FIXP_SGL a, const FIXP_DBL b) {
#ifdef FUNCTION_fixmsub_DS
return fixmsub_DS(x, b, a);
#else
return fixmsub_DD(x, FX_SGL2FX_DBL(a), b);
#endif
}
#endif
#if !defined(FUNCTION_fixmsub_DS)
inline FIXP_DBL fixmsub_DS (FIXP_DBL x, const FIXP_DBL a, const FIXP_SGL b) {
#ifdef FUNCTION_fixmsub_SD
return fixmsub_SD(x, b, a);
#else
return fixmsub_DD(x, a, FX_SGL2FX_DBL(b));
#endif
}
#endif
#if !defined(FUNCTION_fixmsub_SS)
inline FIXP_DBL fixmsub_SS (FIXP_DBL x, const FIXP_SGL a, const FIXP_SGL b)
{ return (x - fMultDiv2(a,b))<<1; }
#endif
#if !defined(FUNCTION_fixpow2adddiv2_D)
inline INT fixpadddiv2_D (FIXP_DBL x, const FIXP_DBL a)
{ return (x + fPow2Div2(a)); }
#endif
#if !defined(FUNCTION_fixpow2add_D)
inline INT fixpadd_D (FIXP_DBL x, const FIXP_DBL a)
{ return (x + fPow2(a)); }
#endif
#if !defined(FUNCTION_fixpow2adddiv2_S)
inline INT fixpadddiv2_S (FIXP_DBL x, const FIXP_SGL a)
{ return (x + fPow2Div2(a)); }
#endif
#if !defined(FUNCTION_fixpow2add_S)
inline INT fixpadd_S (FIXP_DBL x, const FIXP_SGL a)
{ return (x + fPow2(a)); }
#endif
#endif // __FIXMADD_H__
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