1 /*

     2 * Copyright (c) 2010 Ixonos Plc.

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - Initial contribution

    11 *

    12 * Contributors:

    13 * Ixonos Plc

    14 *

    15 * Description:  

    16 *

    17 */

    18 

    19 

    20 //----IMAAMI----

    21 //*************************************************************************

    22 //DCDefines.h

    23 //

    24 //Version 1.00

    25 //

    26 //Contains:

    27 //	_Defines_H 

    28 //		Defines the parameter values used in the IMAAMI algorithms.

    29 //			

    30 //History:

    31 //	19.08.2003 version 1.00 created using existing IMAAMI algorithms	

    32 //*************************************************************************

    33 

    34 

    35 

    36 #ifndef _Defines_H

    37 #define _Defines_H

    38 

    39 #define EXPO_SHIFT			13			// Accuracy in exponent table

    40 #define EXPO_MULTI			(1 << EXPO_SHIFT)	// Multiplier for exponent

    41 #define EXPO_SIZE			(3 * EXPO_MULTI)	// Size of exponent table

    42 #define EXPO_ACCU			12			// Accuracy of weight value

    43 #define EXPO_MULT			(1 << EXPO_ACCU)

    44 #define EXPO_DIFF			(2 * SHIFT_PLACE - EXPO_SHIFT)

    45 

    46 #define SHIFT_COEFF			(16)	// Accuracy of float to integer (coeff)

    47 #define SHIFT_PLACE			( 8)	// Accuracy of float to integer (place)

    48 #define SHIFT_DIFF			( 8)	// Accuracy reduction		(SHIFT_COEFF - SHIFT_PLACE)

    49 

    50 #define EXPO_SIZE2			(384)	// Size of exponent table	((3 * (1 << EXPO_SHIFT2)) >> 1)

    51 #define EXPO_DIFF2			(  8)	// Reduction of accuracy	(SHIFT_COEFF - EXPO_SHIFT2)

    52 

    53 

    54 #endif // ifndef _Defines_H

    55 //----IMAAMI----