log2comp.h File Reference

log2comp.h - various base 2 log computation versions More...

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Macros
#define	inline   __inline__

Functions
static int	ilog2 (int val)

Detailed Description

log2comp.h - various base 2 log computation versions

Asterisk – An open source telephony toolkit.

Author

Alex Volkov codep.nosp@m.ro@u.nosp@m.sa.ne.nosp@m.t

Copyright (c) 2004 - 2005, Digium Inc.

This program is free software, distributed under the terms of the GNU General Public License

Define WANT_ASM before including this file to use assembly whenever possible

Definition in file log2comp.h.

Macro Definition Documentation

inline

#define inline   __inline__

Definition at line 20 of file log2comp.h.

Function Documentation

ilog2()

static int ilog2 ( int  val )

inlinestatic

Definition at line 67 of file log2comp.h.

Referenced by fmult(), quantize(), and update().

{
 int i;
 for (i = -1; val; ++i, val >>= 1)
 ;
 return (i);
}