FreeCalypso > hg > gsm-codec-lib

annotate libtwamr/sqrt_l.h @ 458:e26b974f7ba3

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doc/AMR-study-utils: update for the current situation
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 10 May 2024 18:45:36 +0000
parents 8dfb7cbe6b59
children
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8dfb7cbe6b59 libtwamr: integrated up to bgnscd.c
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1 /*
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2 ********************************************************************************
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3 *
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4 * GSM AMR-NB speech codec R98 Version 7.6.0 December 12, 2001
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5 * R99 Version 3.3.0
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6 * REL-4 Version 4.1.0
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7 *
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8 ********************************************************************************
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9 *
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10 * File : sqrt_l.h
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11 * Purpose : Computes sqrt(L_x), where L_x is positive.
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12 * : If L_x is negative or zero, the result is
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13 * : 0 (3fff ffff).
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14 *
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15 ********************************************************************************
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16 */
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17 #ifndef sqrt_l_h
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18 #define sqrt_l_h "$Id $"
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19
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20 /*
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21 ********************************************************************************
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22 * INCLUDE FILES
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23 ********************************************************************************
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24 */
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25 #include "typedef.h"
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26
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27 /*
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28 ********************************************************************************
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29 * DECLARATION OF PROTOTYPES
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30 ********************************************************************************
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31 */
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32
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33 Word32 sqrt_l_exp (/* o : output value, Q31 */
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34 Word32 L_x, /* i : input value, Q31 */
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35 Word16 *exp /* o : right shift to be applied to result, Q0 */
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36 );
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37
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38 #endif