text: /*
   *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
   *
   *  Use of this source code is governed by a BSD-style license
   *  that can be found in the LICENSE file in the root of the source
   *  tree. An additional intellectual property rights grant can be found
   *  in the file PATENTS.  All contributing project authors may
   *  be found in the AUTHORS file in the root of the source tree.
   */
  
  /******************************************************************
  
   iLBC Speech Coder ANSI-C Source Code
  
   WebRtcIlbcfix_Lsp2Lsf.h
  
  ******************************************************************/
  
  #ifndef MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_LSP_TO_LSF_H_
  #define MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_LSP_TO_LSF_H_
  
  #include "modules/audio_coding/codecs/ilbc/defines.h"
  
  /*----------------------------------------------------------------*
   *  conversion from LSP coefficients to LSF coefficients
   *---------------------------------------------------------------*/
  
  void WebRtcIlbcfix_Lsp2Lsf(
      int16_t* lsp, /* (i) lsp vector -1...+1 in Q15 */
      int16_t* lsf, /* (o) Lsf vector 0...Pi in Q13
                             (ordered, so that lsf[i]<lsf[i+1]) */
      int16_t m     /* (i) Number of coefficients */
      );
  
  #endif
  