1 // Copyright (c) 2000-2010 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #ifndef _BASICOP_H

    17 #define _BASICOP_H

    18 

    19 #include "types.h"

    20 

    21 /* Upper and lower limits for used datatypes */

    22 

    23 #define MAXINT2 KMaxTInt16

    24 #define MININT2 KMinTInt16

    25 #define MAXINT4 KMaxTInt32

    26 #define MININT4 KMinTInt32

    27 

    28 

    29 int2 add( int2 var1, int2 var2 );

    30 int2 sub( int2 var1, int2 var2 );

    31 int2 mult( int2 var1, int2 var2 );

    32 int2 abs_s( int2 var1 );

    33 

    34 #ifdef L_MULTF

    35 /*

    36 ** define L_MULTF controls if L_mult is implemented

    37 ** as a macro or as a function

    38 ** See functional description in file basicop.c

    39 */

    40 int4 L_mult( int2 var1, int2 var2 );

    41 #else

    42 #define L_mult( var1, var2 ) \

    43   ( ((int4)(var1) * (int2)(var2)) << 1 )

    44 #endif

    45 

    46 int2 shl( int2 var1, int2 var2 );

    47 int2 shr( int2 var1, int2 var2 );

    48 int2 negate( int2 var1 );

    49 int2 extract_h( int4 L_var1 );

    50 int2 extract_l( int4 L_var2 );

    51 int4 L_mac( int4 L_var3, int2 var1, int2 var2 );

    52 

    53 int4 L_add( int4 L_var1, int4 L_var2 );

    54 int4 L_sub( int4 L_var1, int4 L_var2 );

    55 int2 mult_r( int2 var1, int2 var2 );

    56 int4 L_shl( int4 L_var1, int2 var2 );

    57 int4 L_shr( int4 L_var1, int2 var2 );

    58 

    59 int4 L_deposit_h( int2 var1 );

    60 int4 L_deposit_l( int2 var1 );

    61 

    62 int2 norm_s( int2 var1 );

    63 

    64 int2 div_s( int2 var1, int2 var2 );

    65 

    66 int2 norm_l( int4 L_var1 );

    67 

    68 

    69 #endif