Commit 2df7ea72 authored by Fabian Bauer's avatar Fabian Bauer
Browse files

change to easy-readable changes

parent 101a3cb1

lib_com/tools_fx.c

+6 −17
Original line number Diff line number Diff line
@@ -1221,52 +1221,41 @@ Word16 maximum_exp_fx( /* o : index of the maximum value 
)

{

    Word16 j, ind;

#ifndef FIX_1981_MAXIMUM_EXP_FX

    Word16 tmp, exp;

    ind = 0;

    move16();

#ifndef FIX_1981_MAXIMUM_EXP_FX

    tmp = vec_fx[0];

    move16();

    exp = exp_vec[0];

    move16();

#else

    Word16 tmp, exp, scale;

    ind = 0;

    move16();

#endif

    Word16 scale;



#ifdef FIX_1981_MAXIMUM_EXP_FX

    scale = sub( norm_s( vec_fx[ind] ), 1 );

    tmp = shl( vec_fx[ind], scale );

    exp = sub( exp_vec[ind], scale );

#endif



    FOR( j = 1; j < lvec_fx; j++ )

    {



        IF( LT_16( tmp, shr_sat( vec_fx[j], sub( exp, exp_vec[j] ) ) ) )

        {

            ind = j;

            move16();



#ifdef FIX_1981_MAXIMUM_EXP_FX

            scale = sub( norm_s( vec_fx[ind] ), 1 );

            tmp = shl( vec_fx[ind], scale );

            exp = sub( exp_vec[ind], scale );

        }

    }

#else

    FOR( j = 1; j < lvec_fx; j++ )

    {

        IF( LT_16( tmp, shr_sat( vec_fx[j], sub( exp, exp_vec[j] ) ) ) )

        {

            ind = j;

            move16();

            tmp = vec_fx[j];

            move16();

            exp = exp_vec[j];

            move16();

#endif

        }

    }

#endif





    return ind;

}