9bf37cc971
License boilerplate update to follow. Change-Id: I2810460c11a58b6d148d84673cc031f3685e79b5
245 lines
7.3 KiB
C
245 lines
7.3 KiB
C
/*************************** Fraunhofer IIS FDK Tools **********************
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(C) Copyright Fraunhofer IIS (2003)
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All Rights Reserved
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Please be advised that this software and/or program delivery is
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Confidential Information of Fraunhofer and subject to and covered by the
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Fraunhofer IIS Software Evaluation Agreement
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between Google Inc. and Fraunhofer
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effective and in full force since March 1, 2012.
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You may use this software and/or program only under the terms and
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conditions described in the above mentioned Fraunhofer IIS Software
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Evaluation Agreement. Any other and/or further use requires a separate agreement.
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$Id$
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Author(s): M. Lohwasser, M. Gayer
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Description: fixed point intrinsics
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This software and/or program is protected by copyright law and international
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treaties. Any reproduction or distribution of this software and/or program,
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or any portion of it, may result in severe civil and criminal penalties, and
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will be prosecuted to the maximum extent possible under law.
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******************************************************************************/
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#if !defined(__FIXMADD_H__)
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#define __FIXMADD_H__
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#include "FDK_archdef.h"
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#include "machine_type.h"
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#include "fixmul.h"
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#if defined(__arm__)
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#include "arm/fixmadd_arm.h"
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#elif defined(__mips__) /* cppp replaced: elif */
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#include "mips/fixmadd_mips.h"
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#endif /* all cores */
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/*************************************************************************
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*************************************************************************
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Software fallbacks for missing functions.
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**************************************************************************
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**************************************************************************/
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/* Divide by two versions. */
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#if !defined(FUNCTION_fixmadddiv2_DD)
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inline FIXP_DBL fixmadddiv2_DD (FIXP_DBL x, const FIXP_DBL a, const FIXP_DBL b)
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{ return (x + fMultDiv2 (a, b)); }
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#endif
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#if !defined(FUNCTION_fixmadddiv2_SD)
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inline FIXP_DBL fixmadddiv2_SD (FIXP_DBL x, const FIXP_SGL a, const FIXP_DBL b) {
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#ifdef FUNCTION_fixmadddiv2_DS
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return fixmadddiv2_DS(x, b, a);
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#else
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return fixmadddiv2_DD(x, FX_SGL2FX_DBL(a), b);
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#endif
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}
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#endif
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#if !defined(FUNCTION_fixmadddiv2_DS)
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inline FIXP_DBL fixmadddiv2_DS (FIXP_DBL x, const FIXP_DBL a, const FIXP_SGL b) {
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#ifdef FUNCTION_fixmadddiv2_SD
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return fixmadddiv2_SD(x, b, a);
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#else
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return fixmadddiv2_DD(x, a, FX_SGL2FX_DBL(b));
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#endif
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}
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#endif
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#if !defined(FUNCTION_fixmadddiv2_SS)
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inline FIXP_DBL fixmadddiv2_SS (FIXP_DBL x, const FIXP_SGL a, const FIXP_SGL b)
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{ return x + fMultDiv2(a,b); }
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#endif
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#if !defined(FUNCTION_fixmsubdiv2_DD)
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inline FIXP_DBL fixmsubdiv2_DD (FIXP_DBL x, const FIXP_DBL a, const FIXP_DBL b)
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{ return (x - fMultDiv2 (a, b)); }
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#endif
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#if !defined(FUNCTION_fixmsubdiv2_SD)
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inline FIXP_DBL fixmsubdiv2_SD (FIXP_DBL x, const FIXP_SGL a, const FIXP_DBL b) {
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#ifdef FUNCTION_fixmsubdiv2_DS
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return fixmsubdiv2_DS(x, b, a);
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#else
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return fixmsubdiv2_DD(x, FX_SGL2FX_DBL(a), b);
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#endif
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}
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#endif
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#if !defined(FUNCTION_fixmsubdiv2_DS)
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inline FIXP_DBL fixmsubdiv2_DS (FIXP_DBL x, const FIXP_DBL a, const FIXP_SGL b) {
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#ifdef FUNCTION_fixmsubdiv2_SD
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return fixmsubdiv2_SD(x, b, a);
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#else
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return fixmsubdiv2_DD(x, a, FX_SGL2FX_DBL(b));
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#endif
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}
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#endif
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#if !defined(FUNCTION_fixmsubdiv2_SS)
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inline FIXP_DBL fixmsubdiv2_SS (FIXP_DBL x, const FIXP_SGL a, const FIXP_SGL b)
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{ return x - fMultDiv2(a,b); }
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#endif
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#if !defined(FUNCTION_fixmadddiv2BitExact_DD)
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#define FUNCTION_fixmadddiv2BitExact_DD
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inline FIXP_DBL fixmadddiv2BitExact_DD (FIXP_DBL x, const FIXP_DBL a, const FIXP_DBL b) {
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return x + fMultDiv2BitExact(a, b);
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}
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#endif
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#if !defined(FUNCTION_fixmadddiv2BitExact_SD)
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#define FUNCTION_fixmadddiv2BitExact_SD
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inline FIXP_DBL fixmadddiv2BitExact_SD (FIXP_DBL x, const FIXP_SGL a, const FIXP_DBL b) {
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#ifdef FUNCTION_fixmadddiv2BitExact_DS
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return fixmadddiv2BitExact_DS(x, b, a);
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#else
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return x + fMultDiv2BitExact(a, b);
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#endif
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}
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#endif
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#if !defined(FUNCTION_fixmadddiv2BitExact_DS)
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#define FUNCTION_fixmadddiv2BitExact_DS
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inline FIXP_DBL fixmadddiv2BitExact_DS (FIXP_DBL x, const FIXP_DBL a, const FIXP_SGL b) {
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#ifdef FUNCTION_fixmadddiv2BitExact_SD
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return fixmadddiv2BitExact_SD(x, b, a);
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#else
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return x + fMultDiv2BitExact(a, b);
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#endif
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}
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#endif
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#if !defined(FUNCTION_fixmsubdiv2BitExact_DD)
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#define FUNCTION_fixmsubdiv2BitExact_DD
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inline FIXP_DBL fixmsubdiv2BitExact_DD (FIXP_DBL x, const FIXP_DBL a, const FIXP_DBL b) {
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return x - fMultDiv2BitExact(a, b);
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}
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#endif
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#if !defined(FUNCTION_fixmsubdiv2BitExact_SD)
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#define FUNCTION_fixmsubdiv2BitExact_SD
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inline FIXP_DBL fixmsubdiv2BitExact_SD (FIXP_DBL x, const FIXP_SGL a, const FIXP_DBL b) {
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#ifdef FUNCTION_fixmsubdiv2BitExact_DS
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return fixmsubdiv2BitExact_DS(x, b, a);
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#else
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return x - fMultDiv2BitExact(a, b);
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#endif
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}
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#endif
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#if !defined(FUNCTION_fixmsubdiv2BitExact_DS)
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#define FUNCTION_fixmsubdiv2BitExact_DS
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inline FIXP_DBL fixmsubdiv2BitExact_DS (FIXP_DBL x, const FIXP_DBL a, const FIXP_SGL b) {
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#ifdef FUNCTION_fixmsubdiv2BitExact_SD
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return fixmsubdiv2BitExact_SD(x, b, a);
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#else
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return x - fMultDiv2BitExact(a, b);
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#endif
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}
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#endif
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/* Normal versions */
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#if !defined(FUNCTION_fixmadd_DD)
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inline FIXP_DBL fixmadd_DD (FIXP_DBL x, const FIXP_DBL a, const FIXP_DBL b)
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{ return fixmadddiv2_DD(x,a,b)<<1; }
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#endif
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#if !defined(FUNCTION_fixmadd_SD)
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inline FIXP_DBL fixmadd_SD (FIXP_DBL x, const FIXP_SGL a, const FIXP_DBL b) {
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#ifdef FUNCTION_fixmadd_DS
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return fixmadd_DS(x, b, a);
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#else
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return fixmadd_DD(x, FX_SGL2FX_DBL(a), b);
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#endif
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}
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#endif
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#if !defined(FUNCTION_fixmadd_DS)
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inline FIXP_DBL fixmadd_DS (FIXP_DBL x, const FIXP_DBL a, const FIXP_SGL b) {
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#ifdef FUNCTION_fixmadd_SD
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return fixmadd_SD(x, b, a);
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#else
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return fixmadd_DD(x, a, FX_SGL2FX_DBL(b));
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#endif
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}
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#endif
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#if !defined(FUNCTION_fixmadd_SS)
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inline FIXP_DBL fixmadd_SS (FIXP_DBL x, const FIXP_SGL a, const FIXP_SGL b)
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{ return (x + fMultDiv2(a,b))<<1; }
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#endif
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#if !defined(FUNCTION_fixmsub_DD)
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inline FIXP_DBL fixmsub_DD (FIXP_DBL x, const FIXP_DBL a, const FIXP_DBL b)
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{ return fixmsubdiv2_DD(x,a,b)<<1; }
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#endif
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#if !defined(FUNCTION_fixmsub_SD)
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inline FIXP_DBL fixmsub_SD (FIXP_DBL x, const FIXP_SGL a, const FIXP_DBL b) {
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#ifdef FUNCTION_fixmsub_DS
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return fixmsub_DS(x, b, a);
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#else
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return fixmsub_DD(x, FX_SGL2FX_DBL(a), b);
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#endif
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}
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#endif
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#if !defined(FUNCTION_fixmsub_DS)
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inline FIXP_DBL fixmsub_DS (FIXP_DBL x, const FIXP_DBL a, const FIXP_SGL b) {
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#ifdef FUNCTION_fixmsub_SD
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return fixmsub_SD(x, b, a);
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#else
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return fixmsub_DD(x, a, FX_SGL2FX_DBL(b));
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#endif
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}
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#endif
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#if !defined(FUNCTION_fixmsub_SS)
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inline FIXP_DBL fixmsub_SS (FIXP_DBL x, const FIXP_SGL a, const FIXP_SGL b)
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{ return (x - fMultDiv2(a,b))<<1; }
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#endif
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#if !defined(FUNCTION_fixpow2adddiv2_D)
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inline INT fixpadddiv2_D (FIXP_DBL x, const FIXP_DBL a)
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{ return (x + fPow2Div2(a)); }
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#endif
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#if !defined(FUNCTION_fixpow2add_D)
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inline INT fixpadd_D (FIXP_DBL x, const FIXP_DBL a)
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{ return (x + fPow2(a)); }
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#endif
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#if !defined(FUNCTION_fixpow2adddiv2_S)
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inline INT fixpadddiv2_S (FIXP_DBL x, const FIXP_SGL a)
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{ return (x + fPow2Div2(a)); }
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#endif
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#if !defined(FUNCTION_fixpow2add_S)
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inline INT fixpadd_S (FIXP_DBL x, const FIXP_SGL a)
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{ return (x + fPow2(a)); }
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#endif
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#endif // __FIXMADD_H__
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