FreeCalypso > hg > gsm-codec-lib
annotate libgsmefr/oper_32b.h @ 421:09534cdc59ec
libtwamr/tw_amr.h: rm trailing spaces from enum Mode list
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Tue, 07 May 2024 05:40:10 +0000 |
parents | 3da7ab45910d |
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rev | line source |
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libgsmefr: initial import of ETSI header files
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1 /* Double precision operations */ |
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libgsmefr: initial import of ETSI header files
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2 |
348
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3 /***************************************************************************** |
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4 * * |
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5 * Function L_Extract() * |
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6 * * |
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7 * Extract from a 32 bit integer two 16 bit DPF. * |
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8 * * |
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9 * Arguments: * |
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10 * * |
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11 * L_32 : 32 bit integer. * |
3da7ab45910d
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12 * 0x8000 0000 <= L_32 <= 0x7fff ffff. * |
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13 * hi : b16 to b31 of L_32 * |
3da7ab45910d
libgsmefr: inline L_Comp() and L_Extract()
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14 * lo : (L_32 - hi<<16)>>1 * |
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libgsmefr: inline L_Comp() and L_Extract()
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15 ***************************************************************************** |
3da7ab45910d
libgsmefr: inline L_Comp() and L_Extract()
Mychaela Falconia <falcon@freecalypso.org>
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16 */ |
3da7ab45910d
libgsmefr: inline L_Comp() and L_Extract()
Mychaela Falconia <falcon@freecalypso.org>
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17 |
3da7ab45910d
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Mychaela Falconia <falcon@freecalypso.org>
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18 static inline void L_Extract (Word32 L_32, Word16 *hi, Word16 *lo) |
3da7ab45910d
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19 { |
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libgsmefr: inline L_Comp() and L_Extract()
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20 *hi = L_32 >> 16; |
3da7ab45910d
libgsmefr: inline L_Comp() and L_Extract()
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21 *lo = (L_32 & 0xFFFF) >> 1; |
3da7ab45910d
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22 } |
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libgsmefr: inline L_Comp() and L_Extract()
Mychaela Falconia <falcon@freecalypso.org>
parents:
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23 |
3da7ab45910d
libgsmefr: inline L_Comp() and L_Extract()
Mychaela Falconia <falcon@freecalypso.org>
parents:
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24 /***************************************************************************** |
3da7ab45910d
libgsmefr: inline L_Comp() and L_Extract()
Mychaela Falconia <falcon@freecalypso.org>
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25 * * |
3da7ab45910d
libgsmefr: inline L_Comp() and L_Extract()
Mychaela Falconia <falcon@freecalypso.org>
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26 * Function L_Comp() * |
3da7ab45910d
libgsmefr: inline L_Comp() and L_Extract()
Mychaela Falconia <falcon@freecalypso.org>
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27 * * |
3da7ab45910d
libgsmefr: inline L_Comp() and L_Extract()
Mychaela Falconia <falcon@freecalypso.org>
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28 * Compose from two 16 bit DPF a 32 bit integer. * |
3da7ab45910d
libgsmefr: inline L_Comp() and L_Extract()
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29 * * |
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libgsmefr: inline L_Comp() and L_Extract()
Mychaela Falconia <falcon@freecalypso.org>
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30 * L_32 = hi<<16 + lo<<1 * |
3da7ab45910d
libgsmefr: inline L_Comp() and L_Extract()
Mychaela Falconia <falcon@freecalypso.org>
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31 * * |
3da7ab45910d
libgsmefr: inline L_Comp() and L_Extract()
Mychaela Falconia <falcon@freecalypso.org>
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32 * Arguments: * |
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33 * * |
3da7ab45910d
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Mychaela Falconia <falcon@freecalypso.org>
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34 * hi msb * |
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35 * lo lsf (with sign) * |
3da7ab45910d
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36 * * |
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libgsmefr: inline L_Comp() and L_Extract()
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37 * Return Value : * |
3da7ab45910d
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38 * * |
3da7ab45910d
libgsmefr: inline L_Comp() and L_Extract()
Mychaela Falconia <falcon@freecalypso.org>
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39 * 32 bit long signed integer (Word32) whose value falls in the * |
3da7ab45910d
libgsmefr: inline L_Comp() and L_Extract()
Mychaela Falconia <falcon@freecalypso.org>
parents:
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40 * range : 0x8000 0000 <= L_32 <= 0x7fff fff0. * |
3da7ab45910d
libgsmefr: inline L_Comp() and L_Extract()
Mychaela Falconia <falcon@freecalypso.org>
parents:
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41 * * |
3da7ab45910d
libgsmefr: inline L_Comp() and L_Extract()
Mychaela Falconia <falcon@freecalypso.org>
parents:
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42 ***************************************************************************** |
3da7ab45910d
libgsmefr: inline L_Comp() and L_Extract()
Mychaela Falconia <falcon@freecalypso.org>
parents:
39
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43 */ |
3da7ab45910d
libgsmefr: inline L_Comp() and L_Extract()
Mychaela Falconia <falcon@freecalypso.org>
parents:
39
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44 |
3da7ab45910d
libgsmefr: inline L_Comp() and L_Extract()
Mychaela Falconia <falcon@freecalypso.org>
parents:
39
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45 static inline Word32 L_Comp (Word16 hi, Word16 lo) |
3da7ab45910d
libgsmefr: inline L_Comp() and L_Extract()
Mychaela Falconia <falcon@freecalypso.org>
parents:
39
diff
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46 { |
3da7ab45910d
libgsmefr: inline L_Comp() and L_Extract()
Mychaela Falconia <falcon@freecalypso.org>
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47 return ((Word32) hi << 16) + ((Word32) lo << 1); |
3da7ab45910d
libgsmefr: inline L_Comp() and L_Extract()
Mychaela Falconia <falcon@freecalypso.org>
parents:
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48 } |
3da7ab45910d
libgsmefr: inline L_Comp() and L_Extract()
Mychaela Falconia <falcon@freecalypso.org>
parents:
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49 |
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36e1363ad885
libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
parents:
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50 Word32 Mpy_32 (Word16 hi1, Word16 lo1, Word16 hi2, Word16 lo2); |
36e1363ad885
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Mychaela Falconia <falcon@freecalypso.org>
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51 Word32 Mpy_32_16 (Word16 hi, Word16 lo, Word16 n); |
36e1363ad885
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52 Word32 Div_32 (Word32 L_num, Word16 denom_hi, Word16 denom_lo); |