46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
/*
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* get_rows.c
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*
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* This file contains the function WebRtcSpl_GetRow().
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* The description header can be found in signal_processing_library.h
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*
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*/
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#include "signal_processing_library.h"
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#ifdef _DEBUG
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#include <stdio.h>
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#include <stdlib.h>
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#endif
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WebRtc_Word16 WebRtcSpl_GetRow(G_CONST WebRtc_Word32 *matrix, WebRtc_Word16 number_of_rows,
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WebRtc_Word16 number_of_cols, WebRtc_Word16 row_chosen,
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WebRtc_Word32 *row_out, WebRtc_Word16 max_length)
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{
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WebRtc_Word16 i;
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WebRtc_Word32 *outarrptr = row_out;
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G_CONST WebRtc_Word32 *matptr = &matrix[row_chosen * number_of_cols];
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#ifdef _DEBUG
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if (max_length < number_of_cols)
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{
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printf(" GetRow : out vector is shorter than the row length\n");
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exit(0);
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}
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if ((row_chosen < 0) || (row_chosen >= number_of_rows))
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{
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printf(" GetRow : selected row is negative or larger than the dimension of the matrix\n");
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exit(0);
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}
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#endif
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/* Unused input variable */
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max_length = max_length;
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number_of_rows = number_of_rows;
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for (i = 0; i < number_of_cols; i++)
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{
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(*outarrptr++) = (*matptr++);
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}
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return number_of_cols;
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}
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