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      1 
      2 /* -----------------------------------------------------------------------------------------------------------
      3 Software License for The Fraunhofer FDK AAC Codec Library for Android
      4 
      5  Copyright  1995 - 2012 Fraunhofer-Gesellschaft zur Frderung der angewandten Forschung e.V.
      6   All rights reserved.
      7 
      8  1.    INTRODUCTION
      9 The Fraunhofer FDK AAC Codec Library for Android ("FDK AAC Codec") is software that implements
     10 the MPEG Advanced Audio Coding ("AAC") encoding and decoding scheme for digital audio.
     11 This FDK AAC Codec software is intended to be used on a wide variety of Android devices.
     12 
     13 AAC's HE-AAC and HE-AAC v2 versions are regarded as today's most efficient general perceptual
     14 audio codecs. AAC-ELD is considered the best-performing full-bandwidth communications codec by
     15 independent studies and is widely deployed. AAC has been standardized by ISO and IEC as part
     16 of the MPEG specifications.
     17 
     18 Patent licenses for necessary patent claims for the FDK AAC Codec (including those of Fraunhofer)
     19 may be obtained through Via Licensing (www.vialicensing.com) or through the respective patent owners
     20 individually for the purpose of encoding or decoding bit streams in products that are compliant with
     21 the ISO/IEC MPEG audio standards. Please note that most manufacturers of Android devices already license
     22 these patent claims through Via Licensing or directly from the patent owners, and therefore FDK AAC Codec
     23 software may already be covered under those patent licenses when it is used for those licensed purposes only.
     24 
     25 Commercially-licensed AAC software libraries, including floating-point versions with enhanced sound quality,
     26 are also available from Fraunhofer. Users are encouraged to check the Fraunhofer website for additional
     27 applications information and documentation.
     28 
     29 2.    COPYRIGHT LICENSE
     30 
     31 Redistribution and use in source and binary forms, with or without modification, are permitted without
     32 payment of copyright license fees provided that you satisfy the following conditions:
     33 
     34 You must retain the complete text of this software license in redistributions of the FDK AAC Codec or
     35 your modifications thereto in source code form.
     36 
     37 You must retain the complete text of this software license in the documentation and/or other materials
     38 provided with redistributions of the FDK AAC Codec or your modifications thereto in binary form.
     39 You must make available free of charge copies of the complete source code of the FDK AAC Codec and your
     40 modifications thereto to recipients of copies in binary form.
     41 
     42 The name of Fraunhofer may not be used to endorse or promote products derived from this library without
     43 prior written permission.
     44 
     45 You may not charge copyright license fees for anyone to use, copy or distribute the FDK AAC Codec
     46 software or your modifications thereto.
     47 
     48 Your modified versions of the FDK AAC Codec must carry prominent notices stating that you changed the software
     49 and the date of any change. For modified versions of the FDK AAC Codec, the term
     50 "Fraunhofer FDK AAC Codec Library for Android" must be replaced by the term
     51 "Third-Party Modified Version of the Fraunhofer FDK AAC Codec Library for Android."
     52 
     53 3.    NO PATENT LICENSE
     54 
     55 NO EXPRESS OR IMPLIED LICENSES TO ANY PATENT CLAIMS, including without limitation the patents of Fraunhofer,
     56 ARE GRANTED BY THIS SOFTWARE LICENSE. Fraunhofer provides no warranty of patent non-infringement with
     57 respect to this software.
     58 
     59 You may use this FDK AAC Codec software or modifications thereto only for purposes that are authorized
     60 by appropriate patent licenses.
     61 
     62 4.    DISCLAIMER
     63 
     64 This FDK AAC Codec software is provided by Fraunhofer on behalf of the copyright holders and contributors
     65 "AS IS" and WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, including but not limited to the implied warranties
     66 of merchantability and fitness for a particular purpose. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
     67 CONTRIBUTORS BE LIABLE for any direct, indirect, incidental, special, exemplary, or consequential damages,
     68 including but not limited to procurement of substitute goods or services; loss of use, data, or profits,
     69 or business interruption, however caused and on any theory of liability, whether in contract, strict
     70 liability, or tort (including negligence), arising in any way out of the use of this software, even if
     71 advised of the possibility of such damage.
     72 
     73 5.    CONTACT INFORMATION
     74 
     75 Fraunhofer Institute for Integrated Circuits IIS
     76 Attention: Audio and Multimedia Departments - FDK AAC LL
     77 Am Wolfsmantel 33
     78 91058 Erlangen, Germany
     79 
     80 www.iis.fraunhofer.de/amm
     81 amm-info (at) iis.fraunhofer.de
     82 ----------------------------------------------------------------------------------------------------------- */
     83 
     84 /***************************  Fraunhofer IIS FDK Tools  **********************
     85 
     86    Author(s):   M. Lohwasser, M. Gayer
     87    Description: Flexible fixpoint library configuration
     88 
     89 ******************************************************************************/
     90 
     91 #ifndef _COMMON_FIX_H
     92 #define _COMMON_FIX_H
     93 
     94 #include "FDK_archdef.h"
     95 #include "machine_type.h"
     96 
     97 /* ***** Start of former fix.h ****** */
     98 
     99 /* Configure fractional or integer arithmetic */
    100   #define FIX_FRACT 0 /* Define this to "1" to use fractional arithmetic simulation in class fract instead of integer arithmetic */
    101                       /* 1 for debug with extra runtime overflow checking.                                                      */
    102 
    103 /* Define bit sizes of integer fixpoint fractional data types */
    104 #define FRACT_BITS      16 /* single precision */
    105 #define DFRACT_BITS     32 /* double precision */
    106 #define ACCU_BITS       40 /* double precision plus overflow */
    107 
    108 /* Fixpoint equivalent type fot PCM audio time domain data. */
    109 #if defined(SAMPLE_BITS)
    110 #if (SAMPLE_BITS == DFRACT_BITS)
    111   #define FIXP_PCM      FIXP_DBL
    112   #define FX_PCM2FX_DBL(x) ((FIXP_DBL)(x))
    113   #define FX_DBL2FX_PCM(x) ((INT_PCM)(x))
    114 #elif (SAMPLE_BITS == FRACT_BITS)
    115   #define FIXP_PCM      FIXP_SGL
    116   #define FX_PCM2FX_DBL(x) FX_SGL2FX_DBL((FIXP_SGL)(x))
    117   #define FX_DBL2FX_PCM(x) FX_DBL2FX_SGL(x)
    118 #else
    119   #error SAMPLE_BITS different from FRACT_BITS or DFRACT_BITS not implemented!
    120 #endif
    121 #endif
    122 
    123 /* ****** End of former fix.h ****** */
    124 
    125 #define SGL_MASK            ((1UL<<FRACT_BITS)-1)   /* 16bit: (2^16)-1 = 0xFFFF */
    126 
    127 #define MAX_SHIFT_SGL (FRACT_BITS-1)   /* maximum possible shift for FIXP_SGL values */
    128 #define MAX_SHIFT_DBL (DFRACT_BITS-1)  /* maximum possible shift for FIXP_DBL values */
    129 
    130 /* Scale factor from/to float/fixpoint values. DO NOT USE THESE VALUES AS SATURATION LIMITS !! */
    131 #define FRACT_FIX_SCALE     ((INT64(1)<<(FRACT_BITS-1)))
    132 #define DFRACT_FIX_SCALE    ((INT64(1)<<(DFRACT_BITS-1)))
    133 
    134 /* Max and Min values for saturation purposes. DO NOT USE THESE VALUES AS SCALE VALUES !! */
    135 #define  MAXVAL_SGL     ((signed)0x00007FFF)    /* this has to be synchronized to FRACT_BITS */
    136 #define  MINVAL_SGL     ((signed)0xFFFF8000)    /* this has to be synchronized to FRACT_BITS */
    137 #define  MAXVAL_DBL     ((signed)0x7FFFFFFF)    /* this has to be synchronized to DFRACT_BITS */
    138 #define  MINVAL_DBL     ((signed)0x80000000)    /* this has to be synchronized to DFRACT_BITS */
    139 
    140 
    141 #define FX_DBL2FXCONST_SGL(val) ( ( ((((val) >> (DFRACT_BITS-FRACT_BITS-1)) + 1) > (((LONG)1<<FRACT_BITS)-1)) && ((LONG)(val) > 0) ) ? \
    142    (FIXP_SGL)(SHORT)(((LONG)1<<(FRACT_BITS-1))-1):(FIXP_SGL)(SHORT)((((val) >> (DFRACT_BITS-FRACT_BITS-1)) + 1) >> 1) )
    143 
    144 
    145 
    146 #define shouldBeUnion union     /* unions are possible */
    147 
    148     typedef SHORT       FIXP_SGL;
    149     typedef LONG        FIXP_DBL;
    150 
    151 /* macros for compile-time conversion of constant float values to fixedpoint */
    152 #define FL2FXCONST_SPC FL2FXCONST_DBL
    153 
    154 #define MINVAL_DBL_CONST MINVAL_DBL
    155 #define MINVAL_SGL_CONST MINVAL_SGL
    156 
    157 #define FL2FXCONST_SGL(val)                                                                                                     \
    158 (FIXP_SGL)( ( (val) >= 0) ?                                                                                                               \
    159 ((( (double)(val) * (FRACT_FIX_SCALE) + 0.5 ) >= (double)(MAXVAL_SGL) ) ? (SHORT)(MAXVAL_SGL) : (SHORT)( (double)(val) * (double)(FRACT_FIX_SCALE) + 0.5)) :   \
    160 ((( (double)(val) * (FRACT_FIX_SCALE) - 0.5) <=  (double)(MINVAL_SGL_CONST) ) ? (SHORT)(MINVAL_SGL_CONST) : (SHORT)( (double)(val) * (double)(FRACT_FIX_SCALE) - 0.5)) )
    161 
    162 #define FL2FXCONST_DBL(val)                                                                                                     \
    163 (FIXP_DBL)( ( (val) >= 0) ?                                                                                                               \
    164 ((( (double)(val) * (DFRACT_FIX_SCALE) + 0.5 ) >= (double)(MAXVAL_DBL) ) ? (LONG)(MAXVAL_DBL) : (LONG)( (double)(val) * (double)(DFRACT_FIX_SCALE) + 0.5)) : \
    165 ((( (double)(val) * (DFRACT_FIX_SCALE) - 0.5) <=  (double)(MINVAL_DBL_CONST) ) ? (LONG)(MINVAL_DBL_CONST) : (LONG)( (double)(val) * (double)(DFRACT_FIX_SCALE) - 0.5)) )
    166 
    167 /* macros for runtime conversion of float values to integer fixedpoint. NO OVERFLOW CHECK!!! */
    168 #define FL2FX_SPC FL2FX_DBL
    169 #define FL2FX_SGL(val) ( (val)>0.0f ? (SHORT)( (val)*(float)(FRACT_FIX_SCALE)+0.5f ) : (SHORT)( (val)*(float)(FRACT_FIX_SCALE)-0.5f ) )
    170 #define FL2FX_DBL(val) ( (val)>0.0f ? (LONG)( (val)*(float)(DFRACT_FIX_SCALE)+0.5f ) : (LONG)( (val)*(float)(DFRACT_FIX_SCALE)-0.5f ) )
    171 
    172 /* macros for runtime conversion of fixedpoint values to other fixedpoint. NO ROUNDING!!! */
    173 #define FX_ACC2FX_SGL(val) ((FIXP_SGL)((val)>>(ACCU_BITS-FRACT_BITS)))
    174 #define FX_ACC2FX_DBL(val) ((FIXP_DBL)((val)>>(ACCU_BITS-DFRACT_BITS)))
    175 #define FX_SGL2FX_ACC(val) ((FIXP_ACC)((LONG)(val)<<(ACCU_BITS-FRACT_BITS)))
    176 #define FX_SGL2FX_DBL(val) ((FIXP_DBL)((LONG)(val)<<(DFRACT_BITS-FRACT_BITS)))
    177 #define FX_DBL2FX_SGL(val) ((FIXP_SGL)((val)>>(DFRACT_BITS-FRACT_BITS)))
    178 
    179 /* ############################################################# */
    180 
    181 /* macros for runtime conversion of integer fixedpoint values to float. */
    182 /* This is just for temporary use and should not be required in a final version! */
    183 
    184 /* #define FX_DBL2FL(val)  ((float)(pow(2.,-31.)*(float)val)) */  /* version #1 */
    185 #define FX_DBL2FL(val)  ((float)((double)(val)/(double)DFRACT_FIX_SCALE))   /* version #2 - identical to class dfract cast from dfract to float */
    186 
    187 /* ############################################################# */
    188 #include "fixmul.h"
    189 
    190 FDK_INLINE LONG fMult(SHORT a, SHORT b)         { return fixmul_SS(a, b); }
    191 FDK_INLINE LONG fMult(SHORT a, LONG b)          { return fixmul_SD(a, b); }
    192 FDK_INLINE LONG fMult(LONG a, SHORT b)          { return fixmul_DS(a, b); }
    193 FDK_INLINE LONG fMult(LONG a, LONG b)           { return fixmul_DD(a, b); }
    194 FDK_INLINE LONG fPow2(LONG a)                   { return fixpow2_D(a);    }
    195 FDK_INLINE LONG fPow2(SHORT a)                  { return fixpow2_S(a);    }
    196 
    197 FDK_INLINE INT  fMultI(LONG a, SHORT b)         { return ( (INT)(((1<<(FRACT_BITS-2)) +
    198                                                           fixmuldiv2_DD(a,((INT)b<<FRACT_BITS)))>>(FRACT_BITS-1)) ); }
    199 
    200 FDK_INLINE INT  fMultIfloor(LONG a, INT b)      { return ( (INT)((1 +
    201                                                           fixmuldiv2_DD(a,(b<<FRACT_BITS))) >> (FRACT_BITS-1)) ); }
    202 
    203 FDK_INLINE INT  fMultIceil(LONG a, INT b)       { return ( (INT)(((INT)0x7fff +
    204                                                           fixmuldiv2_DD(a,(b<<FRACT_BITS))) >> (FRACT_BITS-1)) ); }
    205 
    206 FDK_INLINE LONG fMultDiv2(SHORT a, SHORT b)     { return fixmuldiv2_SS(a, b); }
    207 FDK_INLINE LONG fMultDiv2(SHORT a, LONG b)      { return fixmuldiv2_SD(a, b); }
    208 FDK_INLINE LONG fMultDiv2(LONG a, SHORT b)      { return fixmuldiv2_DS(a, b); }
    209 FDK_INLINE LONG fMultDiv2(LONG a, LONG b)       { return fixmuldiv2_DD(a, b); }
    210 FDK_INLINE LONG fPow2Div2(LONG a)               { return fixpow2div2_D(a);    }
    211 FDK_INLINE LONG fPow2Div2(SHORT a)              { return fixpow2div2_S(a);    }
    212 
    213 FDK_INLINE LONG fMultDiv2BitExact(LONG a, LONG b)   { return fixmuldiv2BitExact_DD(a, b); }
    214 FDK_INLINE LONG fMultDiv2BitExact(SHORT a, LONG  b) { return fixmuldiv2BitExact_SD(a, b); }
    215 FDK_INLINE LONG fMultDiv2BitExact(LONG  a, SHORT b) { return fixmuldiv2BitExact_DS(a, b); }
    216 FDK_INLINE LONG fMultBitExact(LONG a, LONG b)       { return fixmulBitExact_DD(a, b); }
    217 FDK_INLINE LONG fMultBitExact(SHORT a, LONG  b)     { return fixmulBitExact_SD(a, b); }
    218 FDK_INLINE LONG fMultBitExact(LONG  a, SHORT b)     { return fixmulBitExact_DS(a, b); }
    219 
    220 /* ******************************************************************************** */
    221 #include "abs.h"
    222 
    223 FDK_INLINE FIXP_DBL fAbs(FIXP_DBL x)
    224                 { return fixabs_D(x); }
    225 FDK_INLINE FIXP_SGL fAbs(FIXP_SGL x)
    226                 { return fixabs_S(x); }
    227 
    228 
    229 /* workaround for TI C6x compiler but not for TI ARM9E compiler */
    230 #if (!defined(__TI_COMPILER_VERSION__) || defined(__TI_TMS470_V5__)) && !defined(__x86_64__)
    231 FDK_INLINE INT  fAbs(INT x)
    232                 { return fixabs_I(x); }
    233 #endif
    234 
    235 /* ******************************************************************************** */
    236 
    237 #include "clz.h"
    238 
    239 FDK_INLINE INT fNormz(FIXP_DBL x)
    240                { return fixnormz_D(x); }
    241 FDK_INLINE INT fNormz(FIXP_SGL x)
    242                { return fixnormz_S(x); }
    243 FDK_INLINE INT fNorm(FIXP_DBL x)
    244                { return fixnorm_D(x); }
    245 FDK_INLINE INT fNorm(FIXP_SGL x)
    246                { return fixnorm_S(x); }
    247 
    248 
    249 /* ******************************************************************************** */
    250 /* ******************************************************************************** */
    251 /* ******************************************************************************** */
    252 
    253 #include "clz.h"
    254 #define fixp_abs(x) fAbs(x)
    255 #define fixMin(a,b) fMin(a,b)
    256 #define fixMax(a,b) fMax(a,b)
    257 #define CntLeadingZeros(x)  fixnormz_D(x)
    258 #define CountLeadingBits(x) fixnorm_D(x)
    259 
    260 #include "fixmadd.h"
    261 
    262 /* y = (x+0.5*a*b) */
    263 FDK_INLINE FIXP_DBL fMultAddDiv2(FIXP_DBL x, FIXP_DBL a, FIXP_DBL b)
    264                 { return fixmadddiv2_DD(x, a, b); }
    265 FDK_INLINE FIXP_DBL fMultAddDiv2(FIXP_DBL x, FIXP_SGL a, FIXP_DBL b)
    266                 { return fixmadddiv2_SD(x, a, b); }
    267 FDK_INLINE FIXP_DBL fMultAddDiv2(FIXP_DBL x, FIXP_DBL a, FIXP_SGL b)
    268                 { return fixmadddiv2_DS(x, a, b); }
    269 FDK_INLINE FIXP_DBL fMultAddDiv2(FIXP_DBL x, FIXP_SGL a, FIXP_SGL b)
    270                 { return fixmadddiv2_SS(x, a, b); }
    271 
    272 FDK_INLINE FIXP_DBL fPow2AddDiv2(FIXP_DBL x, FIXP_DBL a)
    273                 { return fixpadddiv2_D(x, a); }
    274 FDK_INLINE FIXP_DBL fPow2AddDiv2(FIXP_DBL x, FIXP_SGL a)
    275                 { return fixpadddiv2_S(x, a); }
    276 
    277 
    278 /* y = 2*(x+0.5*a*b) = (2x+a*b) */
    279 FDK_INLINE FIXP_DBL fMultAdd(FIXP_DBL x, FIXP_DBL a, FIXP_DBL b)
    280                 { return fixmadd_DD(x, a, b); }
    281 inline FIXP_DBL fMultAdd(FIXP_DBL x, FIXP_SGL a, FIXP_DBL b)
    282                 { return fixmadd_SD(x, a, b); }
    283 inline FIXP_DBL fMultAdd(FIXP_DBL x, FIXP_DBL a, FIXP_SGL b)
    284                 { return fixmadd_DS(x, a, b); }
    285 inline FIXP_DBL fMultAdd(FIXP_DBL x, FIXP_SGL a, FIXP_SGL b)
    286                 { return fixmadd_SS(x, a, b); }
    287 
    288 inline FIXP_DBL fPow2Add(FIXP_DBL x, FIXP_DBL a)
    289                 { return fixpadd_D(x, a); }
    290 inline FIXP_DBL fPow2Add(FIXP_DBL x, FIXP_SGL a)
    291                 { return fixpadd_S(x, a); }
    292 
    293 
    294 /* y = (x-0.5*a*b) */
    295 inline FIXP_DBL fMultSubDiv2(FIXP_DBL x, FIXP_DBL a, FIXP_DBL b)
    296                 { return fixmsubdiv2_DD(x, a, b); }
    297 inline FIXP_DBL fMultSubDiv2(FIXP_DBL x, FIXP_SGL a, FIXP_DBL b)
    298                 { return fixmsubdiv2_SD(x, a, b); }
    299 inline FIXP_DBL fMultSubDiv2(FIXP_DBL x, FIXP_DBL a, FIXP_SGL b)
    300                 { return fixmsubdiv2_DS(x, a, b); }
    301 inline FIXP_DBL fMultSubDiv2(FIXP_DBL x, FIXP_SGL a, FIXP_SGL b)
    302                 { return fixmsubdiv2_SS(x, a, b); }
    303 
    304 /* y = 2*(x-0.5*a*b) = (2*x-a*b) */
    305 FDK_INLINE FIXP_DBL fMultSub(FIXP_DBL x, FIXP_DBL a, FIXP_DBL b)
    306                 { return fixmsub_DD(x, a, b); }
    307 inline FIXP_DBL fMultSub(FIXP_DBL x, FIXP_SGL a, FIXP_DBL b)
    308                 { return fixmsub_SD(x, a, b); }
    309 inline FIXP_DBL fMultSub(FIXP_DBL x, FIXP_DBL a, FIXP_SGL b)
    310                 { return fixmsub_DS(x, a, b); }
    311 inline FIXP_DBL fMultSub(FIXP_DBL x, FIXP_SGL a, FIXP_SGL b)
    312                 { return fixmsub_SS(x, a, b); }
    313 
    314 FDK_INLINE FIXP_DBL fMultAddDiv2BitExact(FIXP_DBL x, FIXP_DBL a, FIXP_DBL b)
    315                 { return fixmadddiv2BitExact_DD(x, a, b); }
    316 FDK_INLINE FIXP_DBL fMultAddDiv2BitExact(FIXP_DBL x, FIXP_SGL a, FIXP_DBL b)
    317                 { return fixmadddiv2BitExact_SD(x, a, b); }
    318 FDK_INLINE FIXP_DBL fMultAddDiv2BitExact(FIXP_DBL x, FIXP_DBL a, FIXP_SGL b)
    319                 { return fixmadddiv2BitExact_DS(x, a, b); }
    320 FDK_INLINE FIXP_DBL fMultSubDiv2BitExact(FIXP_DBL x, FIXP_DBL a, FIXP_DBL b)
    321                 { return fixmsubdiv2BitExact_DD(x, a, b); }
    322 FDK_INLINE FIXP_DBL fMultSubDiv2BitExact(FIXP_DBL x, FIXP_SGL a, FIXP_DBL b)
    323                 { return fixmsubdiv2BitExact_SD(x, a, b); }
    324 FDK_INLINE FIXP_DBL fMultSubDiv2BitExact(FIXP_DBL x, FIXP_DBL a, FIXP_SGL b)
    325                 { return fixmsubdiv2BitExact_DS(x, a, b); }
    326 
    327 #include "fixminmax.h"
    328 
    329 FDK_INLINE FIXP_DBL fMin(FIXP_DBL a, FIXP_DBL b)
    330                 { return fixmin_D(a,b); }
    331 FDK_INLINE FIXP_DBL fMax(FIXP_DBL a, FIXP_DBL b)
    332                 { return fixmax_D(a,b); }
    333 
    334 FDK_INLINE FIXP_SGL fMin(FIXP_SGL a, FIXP_SGL b)
    335                 { return fixmin_S(a,b); }
    336 FDK_INLINE FIXP_SGL fMax(FIXP_SGL a, FIXP_SGL b)
    337                 { return fixmax_S(a,b); }
    338 
    339 
    340 /* workaround for TI C6x compiler but not for TI ARM9E */
    341 #if ((!defined(__TI_COMPILER_VERSION__) || defined(__TI_TMS470_V5__)) && !defined(__x86_64__)) || (FIX_FRACT == 1)
    342 FDK_INLINE INT fMax(INT a, INT b)
    343                 { return fixmax_I(a,b); }
    344 FDK_INLINE INT fMin(INT a, INT b)
    345                 { return fixmin_I(a,b); }
    346 #endif
    347 
    348 inline UINT fMax(UINT a, UINT b)
    349                 { return fixmax_UI(a,b); }
    350 inline UINT fMin(UINT a, UINT b)
    351                 { return fixmin_UI(a,b); }
    352 
    353 /* Complex data types */
    354 typedef shouldBeUnion {
    355   /* vector representation for arithmetic */
    356   struct {
    357     FIXP_SGL re;
    358     FIXP_SGL im;
    359   } v;
    360   /* word representation for memory move */
    361   LONG w;
    362 } FIXP_SPK;
    363 
    364 typedef shouldBeUnion {
    365   /* vector representation for arithmetic */
    366   struct {
    367     FIXP_DBL re;
    368     FIXP_DBL im;
    369   } v;
    370   /* word representation for memory move */
    371   INT64 w;
    372 } FIXP_DPK;
    373 
    374 #include "fixmul.h"
    375 #include "fixmadd.h"
    376 #include "cplx_mul.h"
    377 #include "scale.h"
    378 #include "fixpoint_math.h"
    379 
    380 #endif
    381