preprocessed source file

ccKhRubh.out (text/plain), 37.10 KB, created by Jochen Schlick on 2007-08-27 16:54:58 UTC

// /usr/libexec/gcc/x86_64-pc-linux-gnu/4.2.0/cc1 -fpreprocessed /var/tmp/portage/ccache/dec_gain.tmp.treviso.31760.i -quiet -dumpbase dec_gain.tmp.treviso.31760.i -march=k8 -msse3 -auxbase-strip /var/tmp/portage/ccache/tmp.hash.treviso.31760.o -O2 -ftree-vectorize -fPIC -o - -frandom-seed=0
# 1 "dec_gain.c"
# 1 "<built-in>"
# 1 "<command-line>"
# 1 "dec_gain.c"






# 1 "/usr/include/memory.h" 1 3 4
# 9 "/usr/include/memory.h" 3 4
# 1 "/usr/include/gentoo-multilib/amd64/memory.h" 1 3 4
# 26 "/usr/include/gentoo-multilib/amd64/memory.h" 3 4

# 1 "/usr/include/features.h" 1 3 4
# 9 "/usr/include/features.h" 3 4
# 1 "/usr/include/gentoo-multilib/amd64/features.h" 1 3 4
# 322 "/usr/include/gentoo-multilib/amd64/features.h" 3 4

# 1 "/usr/include/sys/cdefs.h" 1 3 4
# 9 "/usr/include/sys/cdefs.h" 3 4
# 1 "/usr/include/gentoo-multilib/amd64/sys/cdefs.h" 1 3 4
# 324 "/usr/include/gentoo-multilib/amd64/sys/cdefs.h" 3 4

# 1 "/usr/include/bits/wordsize.h" 1 3 4
# 9 "/usr/include/bits/wordsize.h" 3 4
# 1 "/usr/include/gentoo-multilib/amd64/bits/wordsize.h" 1 3 4
# 9 "/usr/include/bits/wordsize.h" 2 3 4
# 325 "/usr/include/gentoo-multilib/amd64/sys/cdefs.h" 2 3 4
# 9 "/usr/include/sys/cdefs.h" 2 3 4
# 323 "/usr/include/gentoo-multilib/amd64/features.h" 2 3 4
# 345 "/usr/include/gentoo-multilib/amd64/features.h" 3 4

# 1 "/usr/include/gnu/stubs.h" 1 3 4
# 9 "/usr/include/gnu/stubs.h" 3 4
# 1 "/usr/include/gentoo-multilib/amd64/gnu/stubs.h" 1 3 4




# 1 "/usr/include/bits/wordsize.h" 1 3 4
# 9 "/usr/include/bits/wordsize.h" 3 4
# 1 "/usr/include/gentoo-multilib/amd64/bits/wordsize.h" 1 3 4
# 9 "/usr/include/bits/wordsize.h" 2 3 4
# 5 "/usr/include/gentoo-multilib/amd64/gnu/stubs.h" 2 3 4





# 1 "/usr/include/gnu/stubs-64.h" 1 3 4




# 1 "/usr/include/gentoo-multilib/amd64/gnu/stubs-64.h" 1 3 4
# 5 "/usr/include/gnu/stubs-64.h" 2 3 4
# 10 "/usr/include/gentoo-multilib/amd64/gnu/stubs.h" 2 3 4
# 9 "/usr/include/gnu/stubs.h" 2 3 4
# 346 "/usr/include/gentoo-multilib/amd64/features.h" 2 3 4
# 9 "/usr/include/features.h" 2 3 4
# 27 "/usr/include/gentoo-multilib/amd64/memory.h" 2 3 4




# 1 "/usr/include/string.h" 1 3 4
# 9 "/usr/include/string.h" 3 4
# 1 "/usr/include/gentoo-multilib/amd64/string.h" 1 3 4
# 26 "/usr/include/gentoo-multilib/amd64/string.h" 3 4

# 1 "/usr/include/features.h" 1 3 4
# 27 "/usr/include/gentoo-multilib/amd64/string.h" 2 3 4







# 1 "/usr/lib/gcc/x86_64-pc-linux-gnu/4.2.0/include/stddef.h" 1 3 4
# 214 "/usr/lib/gcc/x86_64-pc-linux-gnu/4.2.0/include/stddef.h" 3 4
typedef long unsigned int size_t;
# 34 "/usr/include/gentoo-multilib/amd64/string.h" 2 3 4




extern void *memcpy (void *__restrict __dest,
       __const void *__restrict __src, size_t __n)
     __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1, 2)));


extern void *memmove (void *__dest, __const void *__src, size_t __n)
     __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1, 2)));






extern void *memccpy (void *__restrict __dest, __const void *__restrict __src,
        int __c, size_t __n)
     __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1, 2)));





extern void *memset (void *__s, int __c, size_t __n) __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1)));


extern int memcmp (__const void *__s1, __const void *__s2, size_t __n)
     __attribute__ ((__nothrow__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));


extern void *memchr (__const void *__s, int __c, size_t __n)
      __attribute__ ((__nothrow__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1)));
# 82 "/usr/include/gentoo-multilib/amd64/string.h" 3 4


extern char *strcpy (char *__restrict __dest, __const char *__restrict __src)
     __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1, 2)));

extern char *strncpy (char *__restrict __dest,
        __const char *__restrict __src, size_t __n)
     __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1, 2)));


extern char *strcat (char *__restrict __dest, __const char *__restrict __src)
     __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1, 2)));

extern char *strncat (char *__restrict __dest, __const char *__restrict __src,
        size_t __n) __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1, 2)));


extern int strcmp (__const char *__s1, __const char *__s2)
     __attribute__ ((__nothrow__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));

extern int strncmp (__const char *__s1, __const char *__s2, size_t __n)
     __attribute__ ((__nothrow__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));


extern int strcoll (__const char *__s1, __const char *__s2)
     __attribute__ ((__nothrow__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));

extern size_t strxfrm (char *__restrict __dest,
         __const char *__restrict __src, size_t __n)
     __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (2)));
# 130 "/usr/include/gentoo-multilib/amd64/string.h" 3 4
extern char *strdup (__const char *__s)
     __attribute__ ((__nothrow__)) __attribute__ ((__malloc__)) __attribute__ ((__nonnull__ (1)));
# 165 "/usr/include/gentoo-multilib/amd64/string.h" 3 4


extern char *strchr (__const char *__s, int __c)
     __attribute__ ((__nothrow__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1)));

extern char *strrchr (__const char *__s, int __c)
     __attribute__ ((__nothrow__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1)));
# 181 "/usr/include/gentoo-multilib/amd64/string.h" 3 4



extern size_t strcspn (__const char *__s, __const char *__reject)
     __attribute__ ((__nothrow__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));


extern size_t strspn (__const char *__s, __const char *__accept)
     __attribute__ ((__nothrow__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));

extern char *strpbrk (__const char *__s, __const char *__accept)
     __attribute__ ((__nothrow__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));

extern char *strstr (__const char *__haystack, __const char *__needle)
     __attribute__ ((__nothrow__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));



extern char *strtok (char *__restrict __s, __const char *__restrict __delim)
     __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (2)));




extern char *__strtok_r (char *__restrict __s,
    __const char *__restrict __delim,
    char **__restrict __save_ptr)
     __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (2, 3)));

extern char *strtok_r (char *__restrict __s, __const char *__restrict __delim,
         char **__restrict __save_ptr)
     __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (2, 3)));
# 240 "/usr/include/gentoo-multilib/amd64/string.h" 3 4


extern size_t strlen (__const char *__s)
     __attribute__ ((__nothrow__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1)));
# 254 "/usr/include/gentoo-multilib/amd64/string.h" 3 4


extern char *strerror (int __errnum) __attribute__ ((__nothrow__));
# 270 "/usr/include/gentoo-multilib/amd64/string.h" 3 4
extern int strerror_r (int __errnum, char *__buf, size_t __buflen) __asm__ ("" "__xpg_strerror_r") __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (2)));
# 294 "/usr/include/gentoo-multilib/amd64/string.h" 3 4
extern void __bzero (void *__s, size_t __n) __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1)));



extern void bcopy (__const void *__src, void *__dest, size_t __n)
     __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1, 2)));


extern void bzero (void *__s, size_t __n) __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1)));


extern int bcmp (__const void *__s1, __const void *__s2, size_t __n)
     __attribute__ ((__nothrow__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));


extern char *index (__const char *__s, int __c)
     __attribute__ ((__nothrow__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1)));


extern char *rindex (__const char *__s, int __c)
     __attribute__ ((__nothrow__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1)));



extern int ffs (int __i) __attribute__ ((__nothrow__)) __attribute__ ((__const__));
# 331 "/usr/include/gentoo-multilib/amd64/string.h" 3 4
extern int strcasecmp (__const char *__s1, __const char *__s2)
     __attribute__ ((__nothrow__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));


extern int strncasecmp (__const char *__s1, __const char *__s2, size_t __n)
     __attribute__ ((__nothrow__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));
# 354 "/usr/include/gentoo-multilib/amd64/string.h" 3 4
extern char *strsep (char **__restrict __stringp,
       __const char *__restrict __delim)
     __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1, 2)));
# 420 "/usr/include/gentoo-multilib/amd64/string.h" 3 4

# 1 "/usr/include/bits/string.h" 1 3 4
# 9 "/usr/include/bits/string.h" 3 4
# 1 "/usr/include/gentoo-multilib/amd64/bits/string.h" 1 3 4
# 9 "/usr/include/bits/string.h" 2 3 4
# 421 "/usr/include/gentoo-multilib/amd64/string.h" 2 3 4



# 1 "/usr/include/bits/string2.h" 1 3 4
# 9 "/usr/include/bits/string2.h" 3 4
# 1 "/usr/include/gentoo-multilib/amd64/bits/string2.h" 1 3 4
# 52 "/usr/include/gentoo-multilib/amd64/bits/string2.h" 3 4

# 1 "/usr/include/endian.h" 1 3 4
# 9 "/usr/include/endian.h" 3 4
# 1 "/usr/include/gentoo-multilib/amd64/endian.h" 1 3 4
# 22 "/usr/include/gentoo-multilib/amd64/endian.h" 3 4

# 1 "/usr/include/features.h" 1 3 4
# 23 "/usr/include/gentoo-multilib/amd64/endian.h" 2 3 4
# 37 "/usr/include/gentoo-multilib/amd64/endian.h" 3 4

# 1 "/usr/include/bits/endian.h" 1 3 4
# 9 "/usr/include/bits/endian.h" 3 4
# 1 "/usr/include/gentoo-multilib/amd64/bits/endian.h" 1 3 4
# 9 "/usr/include/bits/endian.h" 2 3 4
# 38 "/usr/include/gentoo-multilib/amd64/endian.h" 2 3 4
# 9 "/usr/include/endian.h" 2 3 4
# 53 "/usr/include/gentoo-multilib/amd64/bits/string2.h" 2 3 4

# 1 "/usr/include/bits/types.h" 1 3 4
# 9 "/usr/include/bits/types.h" 3 4
# 1 "/usr/include/gentoo-multilib/amd64/bits/types.h" 1 3 4
# 27 "/usr/include/gentoo-multilib/amd64/bits/types.h" 3 4

# 1 "/usr/include/features.h" 1 3 4
# 28 "/usr/include/gentoo-multilib/amd64/bits/types.h" 2 3 4

# 1 "/usr/include/bits/wordsize.h" 1 3 4
# 9 "/usr/include/bits/wordsize.h" 3 4
# 1 "/usr/include/gentoo-multilib/amd64/bits/wordsize.h" 1 3 4
# 9 "/usr/include/bits/wordsize.h" 2 3 4
# 29 "/usr/include/gentoo-multilib/amd64/bits/types.h" 2 3 4



# 1 "/usr/lib/gcc/x86_64-pc-linux-gnu/4.2.0/include/stddef.h" 1 3 4
# 32 "/usr/include/gentoo-multilib/amd64/bits/types.h" 2 3 4


typedef unsigned char __u_char;
typedef unsigned short int __u_short;
typedef unsigned int __u_int;
typedef unsigned long int __u_long;


typedef signed char __int8_t;
typedef unsigned char __uint8_t;
typedef signed short int __int16_t;
typedef unsigned short int __uint16_t;
typedef signed int __int32_t;
typedef unsigned int __uint32_t;

typedef signed long int __int64_t;
typedef unsigned long int __uint64_t;







typedef long int __quad_t;
typedef unsigned long int __u_quad_t;
# 134 "/usr/include/gentoo-multilib/amd64/bits/types.h" 3 4

# 1 "/usr/include/bits/typesizes.h" 1 3 4
# 9 "/usr/include/bits/typesizes.h" 3 4
# 1 "/usr/include/gentoo-multilib/amd64/bits/typesizes.h" 1 3 4
# 9 "/usr/include/bits/typesizes.h" 2 3 4
# 135 "/usr/include/gentoo-multilib/amd64/bits/types.h" 2 3 4


typedef unsigned long int __dev_t;
typedef unsigned int __uid_t;
typedef unsigned int __gid_t;
typedef unsigned long int __ino_t;
typedef unsigned long int __ino64_t;
typedef unsigned int __mode_t;
typedef unsigned long int __nlink_t;
typedef long int __off_t;
typedef long int __off64_t;
typedef int __pid_t;
typedef struct { int __val[2]; } __fsid_t;
typedef long int __clock_t;
typedef unsigned long int __rlim_t;
typedef unsigned long int __rlim64_t;
typedef unsigned int __id_t;
typedef long int __time_t;
typedef unsigned int __useconds_t;
typedef long int __suseconds_t;

typedef int __daddr_t;
typedef long int __swblk_t;
typedef int __key_t;


typedef int __clockid_t;


typedef void * __timer_t;


typedef long int __blksize_t;




typedef long int __blkcnt_t;
typedef long int __blkcnt64_t;


typedef unsigned long int __fsblkcnt_t;
typedef unsigned long int __fsblkcnt64_t;


typedef unsigned long int __fsfilcnt_t;
typedef unsigned long int __fsfilcnt64_t;

typedef long int __ssize_t;



typedef __off64_t __loff_t;
typedef __quad_t *__qaddr_t;
typedef char *__caddr_t;


typedef long int __intptr_t;


typedef unsigned int __socklen_t;
# 9 "/usr/include/bits/types.h" 2 3 4
# 54 "/usr/include/gentoo-multilib/amd64/bits/string2.h" 2 3 4
# 394 "/usr/include/gentoo-multilib/amd64/bits/string2.h" 3 4
extern void *__rawmemchr (const void *__s, int __c);
# 969 "/usr/include/gentoo-multilib/amd64/bits/string2.h" 3 4
extern __inline size_t __strcspn_c1 (__const char *__s, int __reject);
extern __inline size_t
__strcspn_c1 (__const char *__s, int __reject)
{
  register size_t __result = 0;
  while (__s[__result] != '\0' && __s[__result] != __reject)
    ++__result;
  return __result;
}

extern __inline size_t __strcspn_c2 (__const char *__s, int __reject1,
         int __reject2);
extern __inline size_t
__strcspn_c2 (__const char *__s, int __reject1, int __reject2)
{
  register size_t __result = 0;
  while (__s[__result] != '\0' && __s[__result] != __reject1
  && __s[__result] != __reject2)
    ++__result;
  return __result;
}

extern __inline size_t __strcspn_c3 (__const char *__s, int __reject1,
         int __reject2, int __reject3);
extern __inline size_t
__strcspn_c3 (__const char *__s, int __reject1, int __reject2,
       int __reject3)
{
  register size_t __result = 0;
  while (__s[__result] != '\0' && __s[__result] != __reject1
  && __s[__result] != __reject2 && __s[__result] != __reject3)
    ++__result;
  return __result;
}
# 1045 "/usr/include/gentoo-multilib/amd64/bits/string2.h" 3 4
extern __inline size_t __strspn_c1 (__const char *__s, int __accept);
extern __inline size_t
__strspn_c1 (__const char *__s, int __accept)
{
  register size_t __result = 0;

  while (__s[__result] == __accept)
    ++__result;
  return __result;
}

extern __inline size_t __strspn_c2 (__const char *__s, int __accept1,
        int __accept2);
extern __inline size_t
__strspn_c2 (__const char *__s, int __accept1, int __accept2)
{
  register size_t __result = 0;

  while (__s[__result] == __accept1 || __s[__result] == __accept2)
    ++__result;
  return __result;
}

extern __inline size_t __strspn_c3 (__const char *__s, int __accept1,
        int __accept2, int __accept3);
extern __inline size_t
__strspn_c3 (__const char *__s, int __accept1, int __accept2, int __accept3)
{
  register size_t __result = 0;

  while (__s[__result] == __accept1 || __s[__result] == __accept2
  || __s[__result] == __accept3)
    ++__result;
  return __result;
}
# 1121 "/usr/include/gentoo-multilib/amd64/bits/string2.h" 3 4
extern __inline char *__strpbrk_c2 (__const char *__s, int __accept1,
         int __accept2);
extern __inline char *
__strpbrk_c2 (__const char *__s, int __accept1, int __accept2)
{

  while (*__s != '\0' && *__s != __accept1 && *__s != __accept2)
    ++__s;
  return *__s == '\0' ? ((void *)0) : (char *) (size_t) __s;
}

extern __inline char *__strpbrk_c3 (__const char *__s, int __accept1,
         int __accept2, int __accept3);
extern __inline char *
__strpbrk_c3 (__const char *__s, int __accept1, int __accept2,
       int __accept3)
{

  while (*__s != '\0' && *__s != __accept1 && *__s != __accept2
  && *__s != __accept3)
    ++__s;
  return *__s == '\0' ? ((void *)0) : (char *) (size_t) __s;
}
# 1173 "/usr/include/gentoo-multilib/amd64/bits/string2.h" 3 4
extern __inline char *__strtok_r_1c (char *__s, char __sep, char **__nextp);
extern __inline char *
__strtok_r_1c (char *__s, char __sep, char **__nextp)
{
  char *__result;
  if (__s == ((void *)0))
    __s = *__nextp;
  while (*__s == __sep)
    ++__s;
  __result = ((void *)0);
  if (*__s != '\0')
    {
      __result = __s++;
      while (*__s != '\0')
 if (*__s++ == __sep)
   {
     __s[-1] = '\0';
     break;
   }
      *__nextp = __s;
    }
  return __result;
}
# 1205 "/usr/include/gentoo-multilib/amd64/bits/string2.h" 3 4
extern char *__strsep_g (char **__stringp, __const char *__delim);
# 1223 "/usr/include/gentoo-multilib/amd64/bits/string2.h" 3 4
extern __inline char *__strsep_1c (char **__s, char __reject);
extern __inline char *
__strsep_1c (char **__s, char __reject)
{
  register char *__retval = *__s;
  if (__retval != ((void *)0) && (*__s = (__extension__ (__builtin_constant_p (__reject) && !__builtin_constant_p (__retval) && (__reject) == '\0' ? (char *) __rawmemchr (__retval, __reject) : __builtin_strchr (__retval, __reject)))) != ((void *)0))
    *(*__s)++ = '\0';
  return __retval;
}

extern __inline char *__strsep_2c (char **__s, char __reject1, char __reject2);
extern __inline char *
__strsep_2c (char **__s, char __reject1, char __reject2)
{
  register char *__retval = *__s;
  if (__retval != ((void *)0))
    {
      register char *__cp = __retval;
      while (1)
 {
   if (*__cp == '\0')
     {
       __cp = ((void *)0);
   break;
     }
   if (*__cp == __reject1 || *__cp == __reject2)
     {
       *__cp++ = '\0';
       break;
     }
   ++__cp;
 }
      *__s = __cp;
    }
  return __retval;
}

extern __inline char *__strsep_3c (char **__s, char __reject1, char __reject2,
       char __reject3);
extern __inline char *
__strsep_3c (char **__s, char __reject1, char __reject2, char __reject3)
{
  register char *__retval = *__s;
  if (__retval != ((void *)0))
    {
      register char *__cp = __retval;
      while (1)
 {
   if (*__cp == '\0')
     {
       __cp = ((void *)0);
   break;
     }
   if (*__cp == __reject1 || *__cp == __reject2 || *__cp == __reject3)
     {
       *__cp++ = '\0';
       break;
     }
   ++__cp;
 }
      *__s = __cp;
    }
  return __retval;
}
# 1299 "/usr/include/gentoo-multilib/amd64/bits/string2.h" 3 4

# 1 "/usr/include/stdlib.h" 1 3 4
# 9 "/usr/include/stdlib.h" 3 4
# 1 "/usr/include/gentoo-multilib/amd64/stdlib.h" 1 3 4
# 25 "/usr/include/gentoo-multilib/amd64/stdlib.h" 3 4

# 1 "/usr/include/features.h" 1 3 4
# 26 "/usr/include/gentoo-multilib/amd64/stdlib.h" 2 3 4
# 34 "/usr/include/gentoo-multilib/amd64/stdlib.h" 3 4
# 1 "/usr/lib/gcc/x86_64-pc-linux-gnu/4.2.0/include/stddef.h" 1 3 4
# 34 "/usr/include/gentoo-multilib/amd64/stdlib.h" 2 3 4
# 587 "/usr/include/gentoo-multilib/amd64/stdlib.h" 3 4


extern void *malloc (size_t __size) __attribute__ ((__nothrow__)) __attribute__ ((__malloc__)) ;

extern void *calloc (size_t __nmemb, size_t __size)
     __attribute__ ((__nothrow__)) __attribute__ ((__malloc__)) ;
# 976 "/usr/include/gentoo-multilib/amd64/stdlib.h" 3 4
# 9 "/usr/include/stdlib.h" 2 3 4
# 1300 "/usr/include/gentoo-multilib/amd64/bits/string2.h" 2 3 4




extern char *__strdup (__const char *__string) __attribute__ ((__nothrow__)) __attribute__ ((__malloc__));
# 1323 "/usr/include/gentoo-multilib/amd64/bits/string2.h" 3 4
extern char *__strndup (__const char *__string, size_t __n)
     __attribute__ ((__nothrow__)) __attribute__ ((__malloc__));
# 9 "/usr/include/bits/string2.h" 2 3 4
# 424 "/usr/include/gentoo-multilib/amd64/string.h" 2 3 4
# 432 "/usr/include/gentoo-multilib/amd64/string.h" 3 4
# 9 "/usr/include/string.h" 2 3 4
# 31 "/usr/include/gentoo-multilib/amd64/memory.h" 2 3 4
# 9 "/usr/include/memory.h" 2 3 4
# 7 "dec_gain.c" 2

# 1 "typedef.h" 1
# 10 "typedef.h"

# 1 "/usr/include/stdint.h" 1 3 4
# 9 "/usr/include/stdint.h" 3 4
# 1 "/usr/include/gentoo-multilib/amd64/stdint.h" 1 3 4
# 26 "/usr/include/gentoo-multilib/amd64/stdint.h" 3 4

# 1 "/usr/include/features.h" 1 3 4
# 27 "/usr/include/gentoo-multilib/amd64/stdint.h" 2 3 4

# 1 "/usr/include/bits/wchar.h" 1 3 4
# 9 "/usr/include/bits/wchar.h" 3 4
# 1 "/usr/include/gentoo-multilib/amd64/bits/wchar.h" 1 3 4
# 9 "/usr/include/bits/wchar.h" 2 3 4
# 28 "/usr/include/gentoo-multilib/amd64/stdint.h" 2 3 4

# 1 "/usr/include/bits/wordsize.h" 1 3 4
# 9 "/usr/include/bits/wordsize.h" 3 4
# 1 "/usr/include/gentoo-multilib/amd64/bits/wordsize.h" 1 3 4
# 9 "/usr/include/bits/wordsize.h" 2 3 4
# 29 "/usr/include/gentoo-multilib/amd64/stdint.h" 2 3 4
# 37 "/usr/include/gentoo-multilib/amd64/stdint.h" 3 4
typedef signed char int8_t;
typedef short int int16_t;
typedef int int32_t;

typedef long int int64_t;







typedef unsigned char uint8_t;
typedef unsigned short int uint16_t;

typedef unsigned int uint32_t;



typedef unsigned long int uint64_t;
# 66 "/usr/include/gentoo-multilib/amd64/stdint.h" 3 4
typedef signed char int_least8_t;
typedef short int int_least16_t;
typedef int int_least32_t;

typedef long int int_least64_t;






typedef unsigned char uint_least8_t;
typedef unsigned short int uint_least16_t;
typedef unsigned int uint_least32_t;

typedef unsigned long int uint_least64_t;
# 91 "/usr/include/gentoo-multilib/amd64/stdint.h" 3 4
typedef signed char int_fast8_t;

typedef long int int_fast16_t;
typedef long int int_fast32_t;
typedef long int int_fast64_t;
# 104 "/usr/include/gentoo-multilib/amd64/stdint.h" 3 4
typedef unsigned char uint_fast8_t;

typedef unsigned long int uint_fast16_t;
typedef unsigned long int uint_fast32_t;
typedef unsigned long int uint_fast64_t;
# 120 "/usr/include/gentoo-multilib/amd64/stdint.h" 3 4
typedef long int intptr_t;


typedef unsigned long int uintptr_t;
# 135 "/usr/include/gentoo-multilib/amd64/stdint.h" 3 4
typedef long int intmax_t;
typedef unsigned long int uintmax_t;
# 9 "/usr/include/stdint.h" 2 3 4
# 11 "typedef.h" 2
typedef int8_t Word8;
typedef int8_t UWord8;
typedef int16_t Word16;
typedef uint16_t UWord16;
typedef int32_t Word32;
typedef double Float64;
typedef float Float32;
# 8 "dec_gain.c" 2

# 1 "dec_util.h" 1
# 10 "dec_util.h"

# 1 "dec_main.h" 1
# 10 "dec_main.h"

# 1 "dec_dtx.h" 1
# 17 "dec_dtx.h"
typedef struct {
   Word16 mem_isf_buf[16 * 8];
   Word16 mem_isf[16];
   Word16 mem_isf_prev[16];
   Word16 mem_log_en_buf[8];
   Word16 mem_true_sid_period_inv;
   Word16 mem_log_en;
   Word16 mem_log_en_prev;
   Word16 mem_cng_seed;
   Word16 mem_hist_ptr;
   Word16 mem_dither_seed;
   Word16 mem_cn_dith;
   Word16 mem_since_last_sid;

   UWord8 mem_dec_ana_elapsed_count;
   UWord8 mem_dtx_global_state;
   UWord8 mem_data_updated;
   UWord8 mem_dtx_hangover_count;
   UWord8 mem_sid_frame;
   UWord8 mem_valid_data;
   UWord8 mem_dtx_hangover_added;

} D_DTX_State;

int D_DTX_init(D_DTX_State **st, const Word16 *isf_init);
int D_DTX_reset(D_DTX_State *st, const Word16 *isf_init);
void D_DTX_exit(D_DTX_State **st);
UWord8 D_DTX_rx_handler(D_DTX_State *st, UWord8 frame_type);
void D_DTX_exe(D_DTX_State *st, Word16 *exc2, Word16 new_state,
               Word16 isf[], Word16 **prms);
void D_DTX_activity_update(D_DTX_State *st, Word16 isf[], Word16 exc[]);
# 11 "dec_main.h" 2
# 20 "dec_main.h"
typedef struct
{
   Word32 mem_gc_thres;
   Word16 mem_exc[(256 + 1) + 231 + (16 + 1)];
   Word16 mem_isf_buf[3 * 16];
   Word16 mem_hf[2 * 15];
   Word16 mem_hf2[2 * 15];
   Word16 mem_hf3[2 * 15];
   Word16 mem_oversamp[2 * 12];
   Word16 mem_gain[23];
   Word16 mem_syn_hf[20];
   Word16 mem_isp[16];
   Word16 mem_isf[16];
   Word16 mem_isf_q[16];
   Word16 mem_syn_hi[16];
   Word16 mem_syn_lo[16];
   Word16 mem_ph_disp[8];
   Word16 mem_sig_out[6];
   Word16 mem_hp400[6];
   Word16 mem_lag[5];
   Word16 mem_subfr_q[4];
   Word16 mem_tilt_code;
   Word16 mem_q;
   Word16 mem_deemph;
   Word16 mem_seed;
   Word16 mem_seed2;
   Word16 mem_seed3;
   Word16 mem_T0;
   Word16 mem_T0_frac;
   UWord16 mem_vad_hist;
   D_DTX_State *dtx_decSt;
   UWord8 mem_bfi;
   UWord8 mem_state;
   UWord8 mem_first_frame;

} Decoder_State;
# 11 "dec_util.h" 2

Word16 D_UTIL_random(Word16 *seed);

Word32 D_UTIL_pow2(Word16 exponant, Word16 fraction);
Word16 D_UTIL_norm_l (Word32 L_var1);
Word16 D_UTIL_norm_s (Word16 var1);
Word32 D_UTIL_dot_product12(Word16 x[], Word16 y[], Word16 lg, Word16 *exp);
void D_UTIL_normalised_inverse_sqrt(Word32 *frac, Word16 *exp);
Word32 D_UTIL_inverse_sqrt(Word32 L_x);
void D_UTIL_log2(Word32 L_x, Word16 *exponent, Word16 *fraction);
void D_UTIL_l_extract(Word32 L_32, Word16 *hi, Word16 *lo);
Word32 D_UTIL_mpy_32_16 (Word16 hi, Word16 lo, Word16 n);
Word32 D_UTIL_mpy_32 (Word16 hi1, Word16 lo1, Word16 hi2, Word16 lo2);
Word16 D_UTIL_saturate(Word32 inp);
void D_UTIL_signal_up_scale(Word16 x[], Word16 lg, Word16 exp);
void D_UTIL_signal_down_scale(Word16 x[], Word16 lg, Word16 exp);
void D_UTIL_dec_synthesis(Word16 Aq[], Word16 exc[], Word16 Q_new,
                          Word16 synth16k[], Word16 prms, Word16 HfIsf[],
                          Word16 mode, Word16 newDTXState, Word16 bfi,
                          Decoder_State *st);
void D_UTIL_preemph(Word16 x[], Word16 mu, Word16 lg, Word16 *mem);
# 9 "dec_gain.c" 2
# 17 "dec_gain.c"
extern const Word16 D_ROM_inter4_2[];
extern const Word16 D_ROM_pdown_unusable[];
extern const Word16 D_ROM_pdown_usable[];
extern const Word16 D_ROM_cdown_unusable[];
extern const Word16 D_ROM_cdown_usable[];
extern const Word16 D_ROM_qua_gain6b[];
extern const Word16 D_ROM_qua_gain7b[];
# 37 "dec_gain.c"
void D_GAIN_init(Word16 *mem)
{


   mem[0] = -14336;
   mem[1] = -14336;
   mem[2] = -14336;
   mem[3] = -14336;
# 53 "dec_gain.c"
   memset(&mem[4], 0, 18 * sizeof(Word16));

   mem[22] = 21845;
   return;
}
# 72 "dec_gain.c"
static Word16 D_GAIN_median(Word16 x[])
{
   Word16 x1, x2, x3, x4, x5;
   Word16 tmp;
   x1 = x[ - 2];
   x2 = x[ - 1];
   x3 = x[0];
   x4 = x[1];
   x5 = x[2];

   if(x2 < x1)
   {
      tmp = x1;
      x1 = x2;
      x2 = tmp;
   }

   if(x3 < x1)
   {
      tmp = x1;
      x1 = x3;
      x3 = tmp;
   }

   if(x4 < x1)
   {
      tmp = x1;
      x1 = x4;
      x4 = tmp;
   }

   if(x5 < x1)
   {
      x5 = x1;
   }

   if(x3 < x2)
   {
      tmp = x2;
      x2 = x3;
      x3 = tmp;
   }

   if(x4 < x2)
   {
      tmp = x2;
      x2 = x4;
      x4 = tmp;
   }

   if(x5 < x2)
   {
      x5 = x2;
   }

   if(x4 < x3)
   {
      x3 = x4;
   }

   if(x5 < x3)
   {
      x3 = x5;
   }

   return(x3);
}
# 165 "dec_gain.c"
void D_GAIN_decode(Word16 index, Word16 nbits, Word16 code[], Word16 *gain_pit,
                   Word32 *gain_cod, Word16 bfi, Word16 prev_bfi,
                   Word16 state, Word16 unusable_frame, Word16 vad_hist,
                   Word16 *mem)
{

   Word32 gcode0, qua_ener, L_tmp;
   const Word16 * p;
   Word16 *past_gain_pit, *past_gain_code, *past_qua_en, *prev_gc;
   Word16 *gbuf, *pbuf, *pbuf2;
   Word16 i, tmp, exp, frac, exp_gcode0, gcode_inov;
   Word16 g_code;

   past_qua_en = mem;
   past_gain_pit = mem + 4;
   past_gain_code = mem + 5;
   prev_gc = mem + 6;
   pbuf = mem + 7;
   gbuf = mem + 12;
   pbuf2 = mem + 17;






   L_tmp = D_UTIL_dot_product12(code, code, 64, &exp);
   exp = (Word16)(exp - (18 + 6));
   D_UTIL_normalised_inverse_sqrt(&L_tmp, &exp);

   if(exp > 3)
   {
      L_tmp <<= (exp - 3);
   }
   else
   {
      L_tmp >>= (3 - exp);
   }

   gcode_inov = (Word16)(L_tmp >>16);




   if(bfi != 0)
   {
      tmp = D_GAIN_median(&pbuf[2]);
      *past_gain_pit = tmp;

      if(*past_gain_pit > 15565)
      {
         *past_gain_pit = 15565;
      }

      if(unusable_frame != 0)
      {
         *gain_pit =
            (Word16)((D_ROM_pdown_unusable[state] * *past_gain_pit) >> 15);
      }
      else
      {
         *gain_pit =
            (Word16)((D_ROM_pdown_usable[state] * *past_gain_pit) >> 15);
      }

      tmp = D_GAIN_median(&gbuf[2]);

      if(vad_hist > 2)
      {
         *past_gain_code = tmp;
      }
      else
      {
         if(unusable_frame != 0)
         {
            *past_gain_code =
               (Word16)((D_ROM_cdown_unusable[state] * tmp) >> 15);
         }
         else
         {
            *past_gain_code =
               (Word16)((D_ROM_cdown_usable[state] * tmp) >> 15);
         }
      }


      L_tmp = past_qua_en[0] + past_qua_en[1]+ past_qua_en[2] + past_qua_en[3];
      qua_ener = L_tmp >> 2;
      qua_ener = qua_ener - 3072;

      if(qua_ener < - 14336)
      {
         qua_ener = -14336;
      }

      past_qua_en[3] = past_qua_en[2];
      past_qua_en[2] = past_qua_en[1];
      past_qua_en[1] = past_qua_en[0];
      past_qua_en[0] = (Word16)qua_ener;

      for(i = 1; i < 5; i++)
      {
         gbuf[i - 1] = gbuf[i];
      }
      gbuf[4] = *past_gain_code;

      for(i = 1; i < 5; i++)
      {
         pbuf[i - 1] = pbuf[i];
      }
      pbuf[4] = *past_gain_pit;



      *gain_cod = (*past_gain_code * gcode_inov) << 1;

      return;
   }
# 291 "dec_gain.c"
   L_tmp = 0xF000000 + (4096 * past_qua_en[0]);
   L_tmp = L_tmp + (3277 * past_qua_en[1]);
   L_tmp = L_tmp + (2458 * past_qua_en[2]);
   L_tmp = L_tmp + (1638 * past_qua_en[3]);
   gcode0 = L_tmp >> 15;






   L_tmp = (gcode0 * 5443) >> 7;

   D_UTIL_l_extract(L_tmp, &exp_gcode0, &frac);

   gcode0 = D_UTIL_pow2(14, frac);





   exp_gcode0 = (Word16)(exp_gcode0 - 14);


   if(nbits == 6)
   {
      p = &D_ROM_qua_gain6b[(index << 1)];
   }
   else
   {
      p = &D_ROM_qua_gain7b[(index << 1)];
   }

   *gain_pit = *p++;
   g_code = *p++;
   L_tmp = g_code * gcode0;
   exp_gcode0 += 5;

   if(exp_gcode0 >= 0)
   {
      *gain_cod = L_tmp << exp_gcode0;
   }
   else
   {
      *gain_cod = L_tmp >> -exp_gcode0;
   }

   if(prev_bfi == 1)
   {
      L_tmp = (*prev_gc * 5120) << 1;


      if((*gain_cod > L_tmp) & (*gain_cod > 6553600))
      {
         *gain_cod = L_tmp;
      }
   }


   L_tmp = (*gain_cod + 0x1000) >> 13;

   if(L_tmp < 32768)
   {
      *past_gain_code = (Word16)L_tmp;
   }
   else
   {
      *past_gain_code = 32767;
   }

   *past_gain_pit = *gain_pit;
   *prev_gc = *past_gain_code;

   for(i = 1; i < 5; i++)
   {
      gbuf[i - 1] = gbuf[i];
   }
   gbuf[4] = *past_gain_code;

   for(i = 1; i < 5; i++)
   {
      pbuf[i - 1] = pbuf[i];
   }
   pbuf[4] = *past_gain_pit;

   for(i = 1; i < 5; i++)
   {
      pbuf2[i - 1] = pbuf2[i];
   }
   pbuf2[4] = *past_gain_pit;


   D_UTIL_l_extract(*gain_cod, &exp, &frac);
   L_tmp = D_UTIL_mpy_32_16(exp, frac, gcode_inov);

   if(L_tmp < 0xFFFFFFF)
   {
      *gain_cod = (L_tmp << 3);
   }
   else
   {
      *gain_cod = 0x7FFFFFFF;
   }






   L_tmp = (Word32)(g_code);
   D_UTIL_log2(L_tmp, &exp, &frac);
   exp = (Word16)(exp - 11);
   L_tmp = D_UTIL_mpy_32_16(exp, frac, 24660);
   qua_ener = L_tmp >>3;


   past_qua_en[3] = past_qua_en[2];
   past_qua_en[2] = past_qua_en[1];
   past_qua_en[1] = past_qua_en[0];
   past_qua_en[0] = (Word16)qua_ener;

   return;
}
# 432 "dec_gain.c"
void D_GAIN_adaptive_control(Word16 *sig_in, Word16 *sig_out, Word16 l_trm)
{
   Word32 s, temp, i, exp;
   Word32 gain_in, gain_out, g0;


   temp = sig_out[0] >> 2;
   s = temp * temp;

   for(i = 1; i < l_trm; i++)
   {
      temp = sig_out[i] >> 2;
      s += temp * temp;
   }

   s <<= 1;

   if(s == 0)
   {
      return;
   }
   exp = (D_UTIL_norm_l(s) - 1);

   if(exp >= 0)
   {
      gain_out = ((s << exp) + 0x8000) >> 16;
   }
   else
   {
      gain_out = ((s >> -exp) + 0x8000) >> 16;
   }


   temp = sig_in[0] >> 2;
   s = temp * temp;

   for(i = 1; i < l_trm; i++)
   {
      temp = sig_in[i] >> 2;
      s += temp * temp;
   }

   s <<= 1;

   if(s == 0)
   {
      g0 = 0;
   }
   else
   {
      i = D_UTIL_norm_l(s);
      s = ((s << i) + 0x8000) >> 16;

      if((s < 32768) & (s > 0))
      {
         gain_in = s;
      }
      else
      {
         gain_in = 32767;
      }
      exp = exp - i;




      s = (gain_out << 15) / gain_in;
      s = s << (7 - exp);
      s = D_UTIL_inverse_sqrt(s);
      g0 = ((s << 9) + 0x8000) >> 16;
   }


   for(i = 0; i < l_trm; i++)
   {
      s = (sig_out[i] * g0) >> 13;
      sig_out[i] = D_UTIL_saturate(s);
   }

   return;
}
# 529 "dec_gain.c"
static void D_GAIN_insert_lag(Word16 array[], Word32 n, Word16 x)
{
   Word32 i;

   for(i = n - 1; i >= 0; i--)
   {
      if(x < array[i])
      {
         array[i + 1] = array[i];
      }
      else
      {
         break;
      }
   }

   array[i + 1] = x;
}
# 562 "dec_gain.c"
static void D_GAIN_sort_lag(Word16 array[], Word16 n)
{
   Word32 i;

   for(i = 0; i < n; i++)
   {
      D_GAIN_insert_lag(array, i, array[i]);
   }
}
# 585 "dec_gain.c"
void D_GAIN_lag_concealment_init(Word16 lag_hist[])
{
   Word32 i;

   for(i = 0; i < 5; i++)
   {
      lag_hist[i] = 64;
   }
}
# 613 "dec_gain.c"
void D_GAIN_lag_concealment(Word16 gain_hist[], Word16 lag_hist[],
                            Word32 *T0, Word16 *old_T0, Word16 *seed,
                            Word16 unusable_frame)
{
   Word32 i, lagDif, tmp, tmp2, D2, meanLag = 0;
   Word16 lag_hist2[5] = {0};
   Word16 maxLag, minLag, lastLag;
   Word16 minGain, lastGain, secLastGain;
   Word16 D;





   lastGain = gain_hist[4];
   secLastGain = gain_hist[3];
   lastLag = lag_hist[0];


   minLag = lag_hist[0];

   for(i = 1; i < 5; i++)
   {
      if(lag_hist[i] < minLag)
      {
         minLag = lag_hist[i];
      }
   }


   maxLag = lag_hist[0];

   for(i = 1; i < 5; i++)
   {
      if(lag_hist[i] > maxLag)
      {
         maxLag = lag_hist[i];
      }
   }


   minGain = gain_hist[0];

   for(i = 1; i < 5; i++)
   {
      if(gain_hist[i] < minGain)
      {
         minGain = gain_hist[i];
      }
   }


   lagDif = maxLag - minLag;

   if(unusable_frame != 0)
   {




      if((minGain > 8192) & (lagDif < 10))
      {
         *T0 = *old_T0;
      }
      else if((lastGain > 8192) && (secLastGain > 8192))
      {
         *T0 = lag_hist[0];
      }
      else
      {




         for(i = 0; i < 5; i++)
         {
            lag_hist2[i] = lag_hist[i];
         }
         D_GAIN_sort_lag(lag_hist2, 5);





         lagDif = (lag_hist2[4] - lag_hist2[2]);

         if(lagDif > 40)
         {
            lagDif = 40;
         }

         D = D_UTIL_random(seed);


         tmp = lagDif >> 1;
         D2 = (tmp * D) >> 15;
         tmp = (lag_hist2[2] + lag_hist2[3]) + lag_hist2[4];
         *T0 = ((tmp * 10923) >> 15) + D2;
      }


      if(*T0 > maxLag)
      {
         *T0 = maxLag;
      }

      if(*T0 < minLag)
      {
         *T0 = minLag;
      }
   }
   else
   {




      meanLag = 0;

      for(i = 0; i < 5; i++)
      {
         meanLag = meanLag + lag_hist[i];
      }

      meanLag = (meanLag * 6554) >> 15;
      tmp = *T0 - maxLag;
      tmp2 = *T0 - lastLag;

      if((lagDif < 10) & (*T0 > (minLag - 5)) & (tmp < 5))
      {
         *T0 = *T0;
      }
      else if((lastGain > 8192) & (secLastGain > 8192) & ((tmp2 > - 10)
         & (tmp2 < 10)))
      {
         *T0 = *T0;
      }
      else if((minGain < 6554) & (lastGain == minGain) & ((*T0 > minLag)
         & (*T0 < maxLag)))
      {
         *T0 = *T0;
      }
      else if((lagDif < 70) & (*T0 > minLag) & (*T0 < maxLag))
      {
         *T0 = *T0;
      }
      else if((*T0 > meanLag) & (*T0 < maxLag))
      {
         *T0 = *T0;
      }
      else
      {
         if((minGain > 8192) & (lagDif < 10))
         {
            *T0 = lag_hist[0];
         }
         else if((lastGain > 8192) & (secLastGain > 8192))
         {
            *T0 = lag_hist[0];
         }
         else
         {




            for(i = 0; i < 5; i++)
            {
               lag_hist2[i] = lag_hist[i];
            }

            D_GAIN_sort_lag(lag_hist2, 5);





            lagDif = lag_hist2[4] - lag_hist2[2];

            if(lagDif > 40)
            {
               lagDif = 40;
            }

            D = D_UTIL_random(seed);


            tmp = lagDif >> 1;
            D2 = (tmp * D) >> 15;
            tmp = (lag_hist2[2] + lag_hist2[3]) + lag_hist2[4];
            *T0 = ((tmp * 10923) >> 15) + D2;
         }





         if(*T0 > maxLag)
         {
            *T0 = maxLag;
         }

         if(*T0 < minLag)
         {
            *T0 = minLag;
         }
      }
   }
}
# 839 "dec_gain.c"
void D_GAIN_adaptive_codebook_excitation(Word16 exc[], Word32 T0, Word32 frac)
{
   Word32 i, j, k, sum;
   Word16 *x;

   x = &exc[ - T0];
   frac = -(frac);

   if(frac < 0)
   {
      frac = (frac + 4);
      x--;
   }
   x = x - 16 + 1;

   for(j = 0; j < 64 + 1; j++)
   {
      sum = 0L;

      for(i = 0, k = ((4 - 1) - frac); i < 2 * 16; i++,
         k += 4)
      {
         sum += x[i] * D_ROM_inter4_2[k];
      }
      sum = (sum + 0x2000) >> 14;

      exc[j] = D_UTIL_saturate(sum);

      x++;
   }
   return;
}
# 887 "dec_gain.c"
void D_GAIN_pitch_sharpening(Word16 *x, Word32 pit_lag, Word16 sharp)
{
   Word32 i;
   Word32 tmp;

   for(i = pit_lag; i < 64; i++)
   {
      tmp = x[i] << 15;
      tmp += x[i - pit_lag] * sharp;
      x[i] = (Word16)((tmp + 0x4000) >> 15);
   }
   return;
}
# 919 "dec_gain.c"
Word16 D_GAIN_find_voice_factor(Word16 exc[], Word16 Q_exc,
                                Word16 gain_pit, Word16 code[],
                                Word16 gain_code, Word16 L_subfr)
{

   Word32 tmp, ener1, ener2, i;
   Word16 exp, exp1, exp2;

   ener1 = (D_UTIL_dot_product12(exc, exc, L_subfr, &exp1)) >> 16;
   exp1 = (Word16)(exp1 - (Q_exc + Q_exc));
   tmp = (gain_pit * gain_pit) << 1;
   exp = D_UTIL_norm_l(tmp);
   tmp = (tmp << exp) >> 16;
   ener1 = (ener1 * tmp) >> 15;
   exp1 = (Word16)((exp1 - exp) - 10);
   ener2 = D_UTIL_dot_product12(code, code, L_subfr, &exp2) >> 16;
   exp = D_UTIL_norm_s(gain_code);
   tmp = gain_code << exp;
   tmp = (tmp * tmp) >> 15;
   ener2 = (ener2 * tmp) >> 15;
   exp2 = (Word16)(exp2 - (exp << 1));
   i = exp1 - exp2;

   if(i >= 0)
   {
      ener1 = ener1 >> 1;
      ener2 = ener2 >> (i + 1);
   }
   else if(i > (-16))
   {
      ener1 = ener1 >> (1 - i);
      ener2 = ener2 >> 1;
   }
   else
   {
      ener1 = 0;
      ener2 = ener2 >> 1;
   }

   tmp = ener1 - ener2;
   ener1 = (ener1 + ener2) + 1;
   tmp = (tmp << 15) / ener1;

   return((Word16)tmp);
}