Commit 5cea8524 authored by multrus's avatar multrus
Browse files

add norm_arr2(), which runs across a big number of samples

parent dbfda4bb

lib_com/prot_fx.h

+3 −0
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@@ -4556,6 +4556,9 @@ Word16 find_guarded_bits_fx( Word32 n ); 














Word16 L_norm_arr( const Word32 *arr, Word16 size );















Word16 norm_arr( Word16 *arr, Word16 size );













#ifdef FIX1998_APA_EXEC_SCALING













Word16 norm_arr2( Word16 *arr, Word32 size );













#endif















Word16 W_norm_arr( Word64 *arr, Word16 size );





























Word16 get_min_scalefactor( Word32 x, Word32 y );

































lib_com/tools_fx.c



+22
−0




























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@@ -4864,6 +4864,28 @@ Word16 norm_arr( Word16 *arr, Word16 size )













    return q;















}





























#ifdef FIX1998_APA_EXEC_SCALING













Word16 norm_arr2( Word16 *arr, Word32 size )













{













    Word16 q = 15;













    Word16 exp = 0;













    move16();













    move16();













    FOR( Word32 i = 0; i < size; i++ )













    {













        if ( arr[i] != 0 )













        {













            exp = norm_s( arr[i] );













        }













        if ( arr[i] != 0 )













        {













            q = s_min( q, exp );













        }













    }













    return q;













}













#endif





























Word16 W_norm_arr( Word64 *arr, Word16 size )















{















    Word16 q = 63;

































lib_dec/jbm_pcmdsp_apa_fx.c



+1
−1




























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@@ -965,7 +965,7 @@ UWord8 apa_exec_ivas_fx(













        Word16 a_tmp[APA_BUF];















        Word16 *buf_out_ptr = &( ps->buf_out_fx[ps->l_buf_out - ps->l_frm] );















#ifdef FIX1998_APA_EXEC_SCALING













        Word16 Q_buf_out_tmp = sub( add( norm_arr( ps->buf_out_fx, ps->buf_out_capacity ), ps->Q_buf_out ), Q1 );













        Word16 Q_buf_out_tmp = sub( add( norm_arr2( ps->buf_out_fx, ps->buf_out_capacity ), ps->Q_buf_out ), Q1 );































        Q_a_out = s_min( Q_a_out, Q_buf_out_tmp );















#else