www.pudn.com > g729a.rar > OPER_32B.H, change:2005-08-19,size:593b


/* 
   ITU-T G.729A Speech Coder    ANSI-C Source Code 
   Version 1.1    Last modified: September 1996 
 
   Copyright (c) 1996, 
   AT&T, France Telecom, NTT, Universite de Sherbrooke 
   All rights reserved. 
*/ 
 
/* Double precision operations */ 
//#define L_Comp(a,b)  (L_add(((long)(a)<<16) ,(b))) 
 
void   L_Extract(Word32 L_32, Word16 *hi, Word16 *lo); 
extern Word32 L_Comp(Word16 hi, Word16 lo); 
Word32 Mpy_32(Word16 hi1, Word16 lo1, Word16 hi2, Word16 lo2); 
Word32 Mpy_32_16(Word16 hi, Word16 lo, Word16 n); 
Word32 Div_32(Word32 L_num, Word16 denom_hi, Word16 denom_lo);