/* | | Copyright disclaimer: |   This software was developed at the National Institute of Standards |   and Technology by employees of the Federal Government in the course |   of their official duties. Pursuant to title 17 Section 105 of the |   United States Code this software is not subject to copyright |   protection and is in the public domain. | |   We would appreciate acknowledgement if the software is used. |*//* | Project:	WCDMA simulation environment | Module:      Collects received symbols from rake and outputs |              data when desired amount of symbols is available. | Author:      Tommi Makelainen, Nokia/NIST | Date:        April 20, 1999 | | History: |              April 20, 1999 Tommi Makelainen |                      Initial version. | *//* ------------ S T A T I C   D A T A   S T R U C T U R E S ----------- *//* * Data type for a symbol buffer. */struct symbol_buffer_type {    int	size;			/* block size to collect */    int fill_index;		/* index to first free slot in ring buffer */    int read_index;             /* index to first output in ring buffer */    double *buffer;             /* buffer */};typedef struct symbol_buffer_type symbol_buffer_t;/* * Max number of symbol collecting buffers. */#define MAX_SYMBOL_BUFFERS  20/* -------------------------------------------------------------------- *//* * Function:	wcdma_symbolbuffer_init * Desc.:	Inits symbol collect buffer. * * Note:	 */int wcdma_symbolbuffer_init(        int block_size);	/* IN: block size to collect *//* -------------------------------------------------------------------- *//* * Function:	wcdma_symbolbuffer_free * Desc.:	Frees one frame buffer. * * Note:	 */void wcdma_symbolbuffer_free(int instance);/* -------------------------------------------------------------------- *//* * Function:	wcdma_symbolbuffer * Desc.:	Collects input symbols until symbols enough for *              one frame is available. Then outputs one frame. * * Note:	 */int wcdma_symbolbuffer(           int instance,	/* IN: instance number */	   double data[],	/* IN: input data symbol vector */           int data_len,	/* IN: length of input data vector */           int *output_ready,   /* OUT: 1=output available, 0=no output */           double out[]);	/* OUT: output symbols for one block *//* -------------------------------------------------------------------- */