diff options
Diffstat (limited to 'silk/fixed/schur_FIX.c')
| -rw-r--r-- | silk/fixed/schur_FIX.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/silk/fixed/schur_FIX.c b/silk/fixed/schur_FIX.c index 9fe7f419..59d44a6f 100644 --- a/silk/fixed/schur_FIX.c +++ b/silk/fixed/schur_FIX.c @@ -43,28 +43,29 @@ opus_int32 silk_schur( /* O Returns residual ene opus_int32 C[ SILK_MAX_ORDER_LPC + 1 ][ 2 ]; opus_int32 Ctmp1, Ctmp2, rc_tmp_Q15; - silk_assert( order <= SILK_MAX_ORDER_LPC ); + silk_assert( order >= 0 && order <= SILK_MAX_ORDER_LPC ); /* Get number of leading zeros */ lz = silk_CLZ32( c[ 0 ] ); /* Copy correlations and adjust level to Q30 */ + k = 0; if( lz < 2 ) { /* lz must be 1, so shift one to the right */ - for( k = 0; k < order + 1; k++ ) { + do { C[ k ][ 0 ] = C[ k ][ 1 ] = silk_RSHIFT( c[ k ], 1 ); - } + } while( ++k <= order ); } else if( lz > 2 ) { /* Shift to the left */ lz -= 2; - for( k = 0; k < order + 1; k++ ) { + do { C[ k ][ 0 ] = C[ k ][ 1 ] = silk_LSHIFT( c[ k ], lz ); - } + } while( ++k <= order ); } else { /* No need to shift */ - for( k = 0; k < order + 1; k++ ) { + do { C[ k ][ 0 ] = C[ k ][ 1 ] = c[ k ]; - } + } while( ++k <= order ); } for( k = 0; k < order; k++ ) { |