1a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/* ------------------------------------------------------------------
2a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * Copyright (C) 1998-2009 PacketVideo
3a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber *
4a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * Licensed under the Apache License, Version 2.0 (the "License");
5a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * you may not use this file except in compliance with the License.
6a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * You may obtain a copy of the License at
7a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber *
8a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber *      http://www.apache.org/licenses/LICENSE-2.0
9a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber *
10a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * Unless required by applicable law or agreed to in writing, software
11a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * distributed under the License is distributed on an "AS IS" BASIS,
12a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
13a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * express or implied.
14a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * See the License for the specific language governing permissions
15a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * and limitations under the License.
16a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * -------------------------------------------------------------------
17a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber */
18a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/****************************************************************************************
19a30d40083856cb4edd225faf8b488fab156e5976Andreas HuberPortions of this file are derived from the following 3GPP standard:
20a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
21a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    3GPP TS 26.073
22a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    ANSI-C code for the Adaptive Multi-Rate (AMR) speech codec
23a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    Available from http://www.3gpp.org
24a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
25a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber(C) 2004, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC)
26a30d40083856cb4edd225faf8b488fab156e5976Andreas HuberPermission to distribute, modify and use this file under the standard license
27a30d40083856cb4edd225faf8b488fab156e5976Andreas Huberterms listed above has been obtained from the copyright holder.
28a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber****************************************************************************************/
29a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/*
30a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Pathname: ./audio/gsm-amr/c/src/lsfwt.c
31a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Functions: Lsf_wt
32a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
33a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------
34a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber REVISION HISTORY
35a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
36a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Description: Updated to accept new parameter, Flag *pOverflow.  Placed
37a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber file in the proper PV Software template.
38a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
39a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Description:
40a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber              1. Eliminated unused include files.
41a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber              2. Replaced array addressing by pointers
42a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber              3. Eliminated math operations that unnecessary checked for
43a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber                 saturation, by evaluating the operands
44a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber              4. Unrolled loops to speed up processing, use decrement loops
45a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
46a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Description:  Replaced "int" and/or "char" with OSCL defined types.
47a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
48a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Who:                       Date:
49a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Description:
50a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
51a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ------------------------------------------------------------------------------
52a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber INPUT AND OUTPUT DEFINITIONS
53a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
54a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Inputs:
55a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    lsf -- Pointer to Word16 -- LSF vector
56a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
57a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Outputs:
58a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    wf -- Pointer to Word16 -- square of weighting factors
59a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    pOverflow -- Pointer to type Flag -- Flag set when overflow occurs
60a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
61a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Returns:
62a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    None
63a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
64a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Global Variables Used:
65a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    None
66a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
67a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Local Variables Needed:
68a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    None
69a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
70a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------
71a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber FUNCTION DESCRIPTION
72a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
73a30d40083856cb4edd225faf8b488fab156e5976Andreas HuberCompute LSF weighting factors
74a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
75a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber d[i] = lsf[i+1] - lsf[i-1]
76a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
77a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber The weighting factors are approximated by two line segment
78a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
79a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber First segment passes by the following 2 points:
80a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
81a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    d[i] = 0Hz     wf[i] = 3.347
82a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    d[i] = 450Hz   wf[i] = 1.8
83a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
84a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Second segment passes by the following 2 points:
85a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
86a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    d[i] = 450Hz   wf[i] = 1.8
87a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    d[i] = 1500Hz  wf[i] = 1.0
88a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
89a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber if( d[i] < 450Hz )
90a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber   wf[i] = 3.347 - ( (3.347-1.8) / (450-0)) *  d[i]
91a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber else
92a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber   wf[i] = 1.8 - ( (1.8-1.0) / (1500-450)) *  (d[i] - 450)
93a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
94a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
95a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber if( d[i] < 1843)
96a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber   wf[i] = 3427 - (28160*d[i])>>15
97a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber else
98a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber   wf[i] = 1843 - (6242*(d[i]-1843))>>15
99a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
100a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------
101a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber REQUIREMENTS
102a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
103a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
104a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
105a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------
106a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber REFERENCES
107a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
108a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber lsfwt.c, UMTS GSM AMR speech codec, R99 - Version 3.2.0, March 2, 2001
109a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
110a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------
111a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber PSEUDO-CODE
112a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
113a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
114a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
115a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------
116a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber RESOURCES USED
117a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber   When the code is written for a specific target processor the
118a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber     the resources used should be documented below.
119a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
120a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber STACK USAGE: [stack count for this module] + [variable to represent
121a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber          stack usage for each subroutine called]
122a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
123a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber     where: [stack usage variable] = stack usage for [subroutine
124a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber         name] (see [filename].ext)
125a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
126a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber DATA MEMORY USED: x words
127a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
128a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber PROGRAM MEMORY USED: x words
129a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
130a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber CLOCK CYCLES: [cycle count equation for this module] + [variable
131a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber           used to represent cycle count for each subroutine
132a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber           called]
133a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
134a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber     where: [cycle count variable] = cycle count for [subroutine
135a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber        name] (see [filename].ext)
136a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
137a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------
138a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber*/
139a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
140a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
141a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/*----------------------------------------------------------------------------
142a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; INCLUDES
143a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber----------------------------------------------------------------------------*/
144a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#include "lsfwt.h"
145a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#include "cnst.h"
146a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
147a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/*----------------------------------------------------------------------------
148a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; MACROS
149a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; Define module specific macros here
150a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber----------------------------------------------------------------------------*/
151a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
152a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
153a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/*----------------------------------------------------------------------------
154a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; DEFINES
155a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; Include all pre-processor statements here. Include conditional
156a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; compile variables also.
157a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber----------------------------------------------------------------------------*/
158a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
159a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
160a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/*----------------------------------------------------------------------------
161a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; LOCAL FUNCTION DEFINITIONS
162a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; Function Prototype declaration
163a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber----------------------------------------------------------------------------*/
164a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
165a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
166a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/*----------------------------------------------------------------------------
167a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; LOCAL STORE/BUFFER/POINTER DEFINITIONS
168a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; Variable declaration - defined here and used outside this module
169a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber----------------------------------------------------------------------------*/
170a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
171a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/*----------------------------------------------------------------------------
172a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; EXTERNAL FUNCTION REFERENCES
173a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; Declare functions defined elsewhere and referenced in this module
174a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber----------------------------------------------------------------------------*/
175a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
176a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/*----------------------------------------------------------------------------
177a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES
178a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; Declare variables used in this module but defined elsewhere
179a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber----------------------------------------------------------------------------*/
180a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
181a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
182a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/*----------------------------------------------------------------------------
183a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; FUNCTION CODE
184a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber----------------------------------------------------------------------------*/
185a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
186a30d40083856cb4edd225faf8b488fab156e5976Andreas Hubervoid Lsf_wt(
187a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    Word16 *lsf,         /* input : LSF vector                  */
188a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    Word16 *wf,          /* output: square of weighting factors */
189a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    Flag   *pOverflow
190a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber)
191a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber{
192a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    Word16 temp;
193a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    Word16 wgt_fct;
194a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    Word16 i;
195a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    Word16 *p_wf = wf;
196a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    Word16 *p_lsf   = &lsf[0];
197a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    Word16 *p_lsf_2 = &lsf[1];
198a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
199a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    OSCL_UNUSED_ARG(pOverflow);
200a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
201a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    /* wf[0] = lsf[1] - 0  */
202a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    *(p_wf++) = *(p_lsf_2++);
203a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
204a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    for (i = 4; i != 0 ; i--)
205a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    {
206a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber        *(p_wf++) = *(p_lsf_2++) - *(p_lsf++);
207a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber        *(p_wf++) = *(p_lsf_2++) - *(p_lsf++);
208a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    }
209a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    /*
210a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber     *  wf[9] = 4000 - lsf[8]
211a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber     */
212a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    *(p_wf) = 16384 - *(p_lsf);
213a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
214a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    p_wf = wf;
215a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
216a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    for (i = 10; i != 0; i--)
217a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    {
218a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber        /*
219a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber         *  (wf[i] - 450);
220a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber         *  1843 == 450 Hz (Q15 considering 7FFF = 8000 Hz)
221a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber         */
222a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber        wgt_fct = *p_wf;
223a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber        temp =  wgt_fct - 1843;
224a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
225a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber        if (temp > 0)
226a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber        {
227a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber            temp = (Word16)(((Word32)temp * 6242) >> 15);
228a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber            wgt_fct = 1843 - temp;
229a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber        }
230a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber        else
231a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber        {
232a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber            temp = (Word16)(((Word32)wgt_fct * 28160) >> 15);
233a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber            wgt_fct = 3427 - temp;
234a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber        }
235a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
236a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber        *(p_wf++) = wgt_fct << 3;
237a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
238a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    } /* for (i = 10; i != 0; i--) */
239a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
240a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber    return;
241a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber
242a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber} /* Lsf_wt() */
243