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-rw-r--r--thirdparty/opus/silk/float/k2a_FLP.c53
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diff --git a/thirdparty/opus/silk/float/k2a_FLP.c b/thirdparty/opus/silk/float/k2a_FLP.c
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--- a/thirdparty/opus/silk/float/k2a_FLP.c
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-/***********************************************************************
-Copyright (c) 2006-2011, Skype Limited. All rights reserved.
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions
-are met:
-- Redistributions of source code must retain the above copyright notice,
-this list of conditions and the following disclaimer.
-- Redistributions in binary form must reproduce the above copyright
-notice, this list of conditions and the following disclaimer in the
-documentation and/or other materials provided with the distribution.
-- Neither the name of Internet Society, IETF or IETF Trust, nor the
-names of specific contributors, may be used to endorse or promote
-products derived from this software without specific prior written
-permission.
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
-LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-POSSIBILITY OF SUCH DAMAGE.
-***********************************************************************/
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "SigProc_FLP.h"
-
-/* step up function, converts reflection coefficients to prediction coefficients */
-void silk_k2a_FLP(
- silk_float *A, /* O prediction coefficients [order] */
- const silk_float *rc, /* I reflection coefficients [order] */
- opus_int32 order /* I prediction order */
-)
-{
- opus_int k, n;
- silk_float Atmp[ SILK_MAX_ORDER_LPC ];
-
- for( k = 0; k < order; k++ ) {
- for( n = 0; n < k; n++ ) {
- Atmp[ n ] = A[ n ];
- }
- for( n = 0; n < k; n++ ) {
- A[ n ] += Atmp[ k - n - 1 ] * rc[ k ];
- }
- A[ k ] = -rc[ k ];
- }
-}