+
−/*
+
−********************************************************************************
+
−*
+
−*      GSM AMR-NB speech codec   R98   Version 7.6.0   December 12, 2001
+
−*                                R99   Version 3.3.0                
+
−*                                REL-4 Version 4.1.0                
+
−*
+
−********************************************************************************
+
−*
+
−*      File             : convolve.h
+
−*      Purpose          : Perform the convolution between two vectors x[]
+
−*                       : and h[] and write the result in the vector y[].
+
−*                       : All vectors are of length L and only the first
+
−*                       : L samples of the convolution are computed.
+
−*
+
−********************************************************************************
+
−*/
+
−#ifndef convolve_h
+
−#define convolve_h "$Id $"
+
− 
+
−/*
+
−********************************************************************************
+
−*                         INCLUDE FILES
+
−********************************************************************************
+
−*/
+
−#include "typedef.h"
+
− 
+
−/*
+
−********************************************************************************
+
−*                         DEFINITION OF DATA TYPES
+
−********************************************************************************
+
−*/
+
− 
+
−/*
+
−********************************************************************************
+
−*                         DECLARATION OF PROTOTYPES
+
−********************************************************************************
+
−*/
+
−void Convolve (
+
−    Word16 x[],        /* (i)  : input vector                               */
+
−    Word16 h[],        /* (i)  : impulse response                           */
+
−    Word16 y[],        /* (o)  : output vector                              */
+
−    Word16 L           /* (i)  : vector size                                */
+
−);
+
− 
+
−#endif