14f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/* ------------------------------------------------------------------ 24f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * Copyright (C) 1998-2009 PacketVideo 34f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * 44f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * Licensed under the Apache License, Version 2.0 (the "License"); 54f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * you may not use this file except in compliance with the License. 64f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * You may obtain a copy of the License at 74f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * 84f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * http://www.apache.org/licenses/LICENSE-2.0 94f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * 104f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * Unless required by applicable law or agreed to in writing, software 114f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * distributed under the License is distributed on an "AS IS" BASIS, 124f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either 134f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * express or implied. 144f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * See the License for the specific language governing permissions 154f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * and limitations under the License. 164f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * ------------------------------------------------------------------- 174f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber */ 184f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/**************************************************************************************** 194f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas HuberPortions of this file are derived from the following 3GPP standard: 204f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 214f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3GPP TS 26.073 224f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ANSI-C code for the Adaptive Multi-Rate (AMR) speech codec 234f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Available from http://www.3gpp.org 244f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 254f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber(C) 2004, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC) 264f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas HuberPermission to distribute, modify and use this file under the standard license 274f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huberterms listed above has been obtained from the copyright holder. 284f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber****************************************************************************************/ 294f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/* 304f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 314f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Filename: /audio/gsm_amr/c/src/mult_r.c 324f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 334f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 344f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber REVISION HISTORY 354f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 364f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Description: Created separate file for the mult_r function. Sync'ed up 374f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber with the current template and fixed tabs. 384f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 394f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Description: Passing in a pointer to the overflow flag instead of using 404f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber a global flag. 414f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 424f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Description: Made the following changes based on P2/P3 review: 434f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1) Simplified test to determine if sign extension is necessary 444f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2) Changed the name of pointer "overflow" to "Poverflow" 454f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3) Removed code that updates MOPS counter 464f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4) Updated template and reference section 474f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 484f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Who: Date: 494f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Description: 504f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 514f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 524f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 534f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber MODULE DESCRIPTION 544f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 554f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Multiplication function with rounding and overflow control 564f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 574f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 584f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber*/ 594f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 604f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 614f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; INCLUDES 624f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 634f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "basic_op.h" 644f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 654f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 664f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; MACROS 674f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; [Define module specific macros here] 684f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 694f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 704f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 714f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; DEFINES 724f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; [Include all pre-processor statements here. Include conditional 734f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; compile variables also.] 744f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 754f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 764f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 774f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; LOCAL FUNCTION DEFINITIONS 784f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; [List function prototypes here] 794f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 804f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 814f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 824f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; LOCAL VARIABLE DEFINITIONS 834f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; [Variable declaration - defined here and used outside this module] 844f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 854f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 864f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 874f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/* 884f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 894f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber FUNCTION NAME: mult_r 904f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 914f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber INPUT AND OUTPUT DEFINITIONS 924f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 934f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Inputs: 944f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber var1 = 16 bit short signed integer (Word16) whose value falls in 954f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber the range : 0xffff 8000 <= var1 <= 0x0000 7fff. 964f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 974f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber var2 = 16 bit short signed integer (Word16) whose value falls in 984f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber the range : 0xffff 8000 <= var2 <= 0x0000 7fff. 994f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1004f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber pOverflow = pointer to overflow (Flag) 1014f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1024f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Outputs: 1034f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber pOverflow -> 1 if the add operation resulted in overflow 1044f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1054f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Returns: 1064f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber L_product_arr = 16-bit limited product of var1 and var2 (Word16) 1074f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1084f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Global Variables Used: 1094f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None 1104f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1114f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Local Variables Needed: 1124f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None 1134f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1144f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 1154f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber FUNCTION DESCRIPTION 1164f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1174f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber This function performs the multiplication of var1 by var2 with rounding, and 1184f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber gives a 16 bit result which is scaled, i.e.: 1194f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber mult_r(var1,var2) = extract_l(L_shr(((var1 * var2) + 16384),15)) and | 1204f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber mult_r(-32768,-32768) = 32767 1214f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1224f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 1234f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber REQUIREMENTS 1244f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1254f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None 1264f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1274f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 1284f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber REFERENCES 1294f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1304f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber [1] mult_r() function in basicop2.c, UMTS GSM AMR speech codec, R99 - 1314f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Version 3.2.0, March 2, 2001 1324f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1334f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 1344f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber PSEUDO-CODE 1354f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1364f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas HuberWord16 mult_r (Word16 var1, Word16 var2) 1374f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber{ 1384f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 var_out; 1394f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word32 L_product_arr; 1404f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1414f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber L_product_arr = (Word32) var1 *(Word32) var2; 1424f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber L_product_arr += (Word32) 0x00004000L; 1434f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber L_product_arr &= (Word32) 0xffff8000L; 1444f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber L_product_arr >>= 15; 1454f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1464f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if (L_product_arr & (Word32) 0x00010000L) 1474f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 1484f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber L_product_arr |= (Word32) 0xffff0000L; 1494f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 1504f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber* The reference ETSI code uses a global flag for Overflow inside the function 1514f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber* saturate(). In the actual implementation a pointer to Overflow flag is passed in 1524f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber* as a parameter to the function 1534f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1544f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber var_out = saturate (L_product_arr); 1554f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1564f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#if (WMOPS) 1574f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber multiCounter[currCounter].mult_r++; 1584f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#endif 1594f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1604f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return (var_out); 1614f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber} 1624f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1634f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 1644f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber RESOURCES USED [optional] 1654f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1664f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber When the code is written for a specific target processor the 1674f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber the resources used should be documented below. 1684f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1694f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber HEAP MEMORY USED: x bytes 1704f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1714f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber STACK MEMORY USED: x bytes 1724f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1734f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber CLOCK CYCLES: (cycle count equation for this function) + (variable 1744f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber used to represent cycle count for each subroutine 1754f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber called) 1764f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber where: (cycle count variable) = cycle count for [subroutine 1774f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber name] 1784f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1794f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 1804f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber CAUTION [optional] 1814f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber [State any special notes, constraints or cautions for users of this function] 1824f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1834f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 1844f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber*/ 1854f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1864f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 1874f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; FUNCTION CODE 1884f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 1894f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1904f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas HuberWord16 mult_r(Word16 var1, Word16 var2, Flag *pOverflow) 1914f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber{ 1924f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1932d0ac425564ff9882ebaac5267d1a04d4af67d00Bernhard Rosenkränzer Word32 L_product_arr; 1944f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1954f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber L_product_arr = ((Word32) var1) * var2; /* product */ 1964f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber L_product_arr += (Word32) 0x00004000L; /* round */ 1974f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber L_product_arr >>= 15; /* shift */ 1984f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1994f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* sign extend when necessary */ 2004f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber L_product_arr |= (Word32) - (L_product_arr & (Word32) 0x00010000L); 2014f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2024f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* Saturate result (if necessary). */ 2034f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* Replaced function call with in-line code to conserve MIPS, */ 2044f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* i.e., var_out = saturate (L_product_arr) */ 2054f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2064f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if (L_product_arr > 0X00007fffL) 2074f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 2084f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber *pOverflow = 1; 2094f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber L_product_arr = MAX_16; 2104f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 2114f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber else if (L_product_arr < (Word32) 0xffff8000L) 2124f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 2134f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber *pOverflow = 1; 2144f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber L_product_arr = MIN_16; 2154f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 2164f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2174f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return ((Word16) L_product_arr); 2184f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber} 219