Coverage Report

Created: 2025-12-31 07:57

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/opus/silk/float/SigProc_FLP.h
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/***********************************************************************
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Copyright (c) 2006-2011, Skype Limited. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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- Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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- Neither the name of Internet Society, IETF or IETF Trust, nor the
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names of specific contributors, may be used to endorse or promote
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products derived from this software without specific prior written
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permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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***********************************************************************/
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#ifndef SILK_SIGPROC_FLP_H
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#define SILK_SIGPROC_FLP_H
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#include "SigProc_FIX.h"
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#include "float_cast.h"
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#include "main.h"
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#include <math.h>
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/********************************************************************/
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/*                    SIGNAL PROCESSING FUNCTIONS                   */
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/********************************************************************/
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/* Chirp (bw expand) LP AR filter */
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void silk_bwexpander_FLP(
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    silk_float          *ar,                /* I/O  AR filter to be expanded (without leading 1)                */
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    const opus_int      d,                  /* I    length of ar                                                */
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    const silk_float    chirp               /* I    chirp factor (typically in range (0..1) )                   */
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);
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/* compute inverse of LPC prediction gain, and                          */
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/* test if LPC coefficients are stable (all poles within unit circle)   */
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/* this code is based on silk_FLP_a2k()                                 */
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silk_float silk_LPC_inverse_pred_gain_FLP(  /* O    return inverse prediction gain, energy domain               */
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    const silk_float    *A,                 /* I    prediction coefficients [order]                             */
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    opus_int32          order               /* I    prediction order                                            */
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);
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silk_float silk_schur_FLP(                  /* O    returns residual energy                                     */
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    silk_float          refl_coef[],        /* O    reflection coefficients (length order)                      */
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    const silk_float    auto_corr[],        /* I    autocorrelation sequence (length order+1)                   */
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    opus_int            order               /* I    order                                                       */
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);
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void silk_k2a_FLP(
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    silk_float          *A,                 /* O     prediction coefficients [order]                            */
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    const silk_float    *rc,                /* I     reflection coefficients [order]                            */
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    opus_int32          order               /* I     prediction order                                           */
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);
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/* compute autocorrelation */
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void silk_autocorrelation_FLP(
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    silk_float          *results,           /* O    result (length correlationCount)                            */
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    const silk_float    *inputData,         /* I    input data to correlate                                     */
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    opus_int            inputDataSize,      /* I    length of input                                             */
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    opus_int            correlationCount,    /* I    number of correlation taps to compute                       */
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    int                 arch
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);
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opus_int silk_pitch_analysis_core_FLP(      /* O    Voicing estimate: 0 voiced, 1 unvoiced                      */
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    const silk_float    *frame,             /* I    Signal of length PE_FRAME_LENGTH_MS*Fs_kHz                  */
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    opus_int            *pitch_out,         /* O    Pitch lag values [nb_subfr]                                 */
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    opus_int16          *lagIndex,          /* O    Lag Index                                                   */
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    opus_int8           *contourIndex,      /* O    Pitch contour Index                                         */
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    silk_float          *LTPCorr,           /* I/O  Normalized correlation; input: value from previous frame    */
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    opus_int            prevLag,            /* I    Last lag of previous frame; set to zero is unvoiced         */
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    const silk_float    search_thres1,      /* I    First stage threshold for lag candidates 0 - 1              */
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    const silk_float    search_thres2,      /* I    Final threshold for lag candidates 0 - 1                    */
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    const opus_int      Fs_kHz,             /* I    sample frequency (kHz)                                      */
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    const opus_int      complexity,         /* I    Complexity setting, 0-2, where 2 is highest                 */
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    const opus_int      nb_subfr,           /* I    Number of 5 ms subframes                                    */
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    int                 arch                /* I    Run-time architecture                                       */
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);
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void silk_insertion_sort_decreasing_FLP(
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    silk_float          *a,                 /* I/O  Unsorted / Sorted vector                                    */
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    opus_int            *idx,               /* O    Index vector for the sorted elements                        */
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    const opus_int      L,                  /* I    Vector length                                               */
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    const opus_int      K                   /* I    Number of correctly sorted positions                        */
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);
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/* Compute reflection coefficients from input signal */
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silk_float silk_burg_modified_FLP(          /* O    returns residual energy                                     */
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    silk_float          A[],                /* O    prediction coefficients (length order)                      */
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    const silk_float    x[],                /* I    input signal, length: nb_subfr*(D+L_sub)                    */
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    const silk_float    minInvGain,         /* I    minimum inverse prediction gain                             */
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    const opus_int      subfr_length,       /* I    input signal subframe length (incl. D preceding samples)    */
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    const opus_int      nb_subfr,           /* I    number of subframes stacked in x                            */
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    const opus_int      D,                  /* I    order                                                       */
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    int                 arch
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);
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/* multiply a vector by a constant */
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void silk_scale_vector_FLP(
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    silk_float          *data1,
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    silk_float          gain,
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    opus_int            dataSize
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);
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/* copy and multiply a vector by a constant */
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void silk_scale_copy_vector_FLP(
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    silk_float          *data_out,
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    const silk_float    *data_in,
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    silk_float          gain,
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    opus_int            dataSize
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);
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/* inner product of two silk_float arrays, with result as double */
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double silk_inner_product_FLP_c(
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    const silk_float    *data1,
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    const silk_float    *data2,
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    opus_int            dataSize
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);
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#ifndef OVERRIDE_inner_product_FLP
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#define silk_inner_product_FLP(data1, data2, dataSize, arch) ((void)arch,silk_inner_product_FLP_c(data1, data2, dataSize))
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#endif
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/* sum of squares of a silk_float array, with result as double */
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double silk_energy_FLP(
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    const silk_float    *data,
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    opus_int            dataSize
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);
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/********************************************************************/
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/*                                MACROS                            */
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/********************************************************************/
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0
#define PI              (3.1415926536f)
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#define silk_min_float( a, b )                  (((a) < (b)) ? (a) :  (b))
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#define silk_max_float( a, b )                  (((a) > (b)) ? (a) :  (b))
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#define silk_abs_float( a )                     ((silk_float)fabs(a))
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/* sigmoid function */
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static OPUS_INLINE silk_float silk_sigmoid( silk_float x )
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{
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    return (silk_float)(1.0 / (1.0 + exp(-x)));
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}
Unexecuted instantiation: enc_API.c:silk_sigmoid
Unexecuted instantiation: HP_variable_cutoff.c:silk_sigmoid
Unexecuted instantiation: init_encoder.c:silk_sigmoid
Unexecuted instantiation: control_codec.c:silk_sigmoid
Unexecuted instantiation: encode_frame_FLP.c:silk_sigmoid
Unexecuted instantiation: find_pitch_lags_FLP.c:silk_sigmoid
Unexecuted instantiation: find_pred_coefs_FLP.c:silk_sigmoid
Unexecuted instantiation: LPC_analysis_filter_FLP.c:silk_sigmoid
Unexecuted instantiation: LTP_analysis_filter_FLP.c:silk_sigmoid
Unexecuted instantiation: LTP_scale_ctrl_FLP.c:silk_sigmoid
Unexecuted instantiation: noise_shape_analysis_FLP.c:silk_sigmoid
Unexecuted instantiation: process_gains_FLP.c:silk_sigmoid
Unexecuted instantiation: residual_energy_FLP.c:silk_sigmoid
Unexecuted instantiation: warped_autocorrelation_FLP.c:silk_sigmoid
Unexecuted instantiation: wrappers_FLP.c:silk_sigmoid
Unexecuted instantiation: autocorrelation_FLP.c:silk_sigmoid
Unexecuted instantiation: bwexpander_FLP.c:silk_sigmoid
Unexecuted instantiation: energy_FLP.c:silk_sigmoid
Unexecuted instantiation: k2a_FLP.c:silk_sigmoid
Unexecuted instantiation: pitch_analysis_core_FLP.c:silk_sigmoid
Unexecuted instantiation: scale_copy_vector_FLP.c:silk_sigmoid
Unexecuted instantiation: schur_FLP.c:silk_sigmoid
Unexecuted instantiation: sort_FLP.c:silk_sigmoid
Unexecuted instantiation: x86_silk_map.c:silk_sigmoid
Unexecuted instantiation: apply_sine_window_FLP.c:silk_sigmoid
Unexecuted instantiation: find_LPC_FLP.c:silk_sigmoid
Unexecuted instantiation: find_LTP_FLP.c:silk_sigmoid
Unexecuted instantiation: burg_modified_FLP.c:silk_sigmoid
Unexecuted instantiation: inner_product_FLP.c:silk_sigmoid
Unexecuted instantiation: scale_vector_FLP.c:silk_sigmoid
Unexecuted instantiation: inner_product_FLP_avx2.c:silk_sigmoid
Unexecuted instantiation: corrMatrix_FLP.c:silk_sigmoid
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/* floating-point to integer conversion (rounding) */
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static OPUS_INLINE opus_int32 silk_float2int( silk_float x )
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{
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    return (opus_int32)float2int( x );
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}
Unexecuted instantiation: enc_API.c:silk_float2int
Unexecuted instantiation: HP_variable_cutoff.c:silk_float2int
Unexecuted instantiation: init_encoder.c:silk_float2int
Unexecuted instantiation: control_codec.c:silk_float2int
Unexecuted instantiation: encode_frame_FLP.c:silk_float2int
Unexecuted instantiation: find_pitch_lags_FLP.c:silk_float2int
Unexecuted instantiation: find_pred_coefs_FLP.c:silk_float2int
Unexecuted instantiation: LPC_analysis_filter_FLP.c:silk_float2int
Unexecuted instantiation: LTP_analysis_filter_FLP.c:silk_float2int
Unexecuted instantiation: LTP_scale_ctrl_FLP.c:silk_float2int
Unexecuted instantiation: noise_shape_analysis_FLP.c:silk_float2int
Unexecuted instantiation: process_gains_FLP.c:silk_float2int
Unexecuted instantiation: residual_energy_FLP.c:silk_float2int
Unexecuted instantiation: warped_autocorrelation_FLP.c:silk_float2int
Unexecuted instantiation: wrappers_FLP.c:silk_float2int
Unexecuted instantiation: autocorrelation_FLP.c:silk_float2int
Unexecuted instantiation: bwexpander_FLP.c:silk_float2int
Unexecuted instantiation: energy_FLP.c:silk_float2int
Unexecuted instantiation: k2a_FLP.c:silk_float2int
Unexecuted instantiation: pitch_analysis_core_FLP.c:silk_float2int
Unexecuted instantiation: scale_copy_vector_FLP.c:silk_float2int
Unexecuted instantiation: schur_FLP.c:silk_float2int
Unexecuted instantiation: sort_FLP.c:silk_float2int
Unexecuted instantiation: x86_silk_map.c:silk_float2int
Unexecuted instantiation: apply_sine_window_FLP.c:silk_float2int
Unexecuted instantiation: find_LPC_FLP.c:silk_float2int
Unexecuted instantiation: find_LTP_FLP.c:silk_float2int
Unexecuted instantiation: burg_modified_FLP.c:silk_float2int
Unexecuted instantiation: inner_product_FLP.c:silk_float2int
Unexecuted instantiation: scale_vector_FLP.c:silk_float2int
Unexecuted instantiation: inner_product_FLP_avx2.c:silk_float2int
Unexecuted instantiation: corrMatrix_FLP.c:silk_float2int
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/* floating-point to integer conversion (rounding) */
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static OPUS_INLINE void silk_float2short_array(
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    opus_int16       *out,
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    const silk_float *in,
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    opus_int32       length
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)
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{
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    opus_int32 k;
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    for( k = length - 1; k >= 0; k-- ) {
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        out[k] = silk_SAT16( (opus_int32)float2int( in[k] ) );
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    }
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}
Unexecuted instantiation: enc_API.c:silk_float2short_array
Unexecuted instantiation: HP_variable_cutoff.c:silk_float2short_array
Unexecuted instantiation: init_encoder.c:silk_float2short_array
Unexecuted instantiation: control_codec.c:silk_float2short_array
Unexecuted instantiation: encode_frame_FLP.c:silk_float2short_array
Unexecuted instantiation: find_pitch_lags_FLP.c:silk_float2short_array
Unexecuted instantiation: find_pred_coefs_FLP.c:silk_float2short_array
Unexecuted instantiation: LPC_analysis_filter_FLP.c:silk_float2short_array
Unexecuted instantiation: LTP_analysis_filter_FLP.c:silk_float2short_array
Unexecuted instantiation: LTP_scale_ctrl_FLP.c:silk_float2short_array
Unexecuted instantiation: noise_shape_analysis_FLP.c:silk_float2short_array
Unexecuted instantiation: process_gains_FLP.c:silk_float2short_array
Unexecuted instantiation: residual_energy_FLP.c:silk_float2short_array
Unexecuted instantiation: warped_autocorrelation_FLP.c:silk_float2short_array
Unexecuted instantiation: wrappers_FLP.c:silk_float2short_array
Unexecuted instantiation: autocorrelation_FLP.c:silk_float2short_array
Unexecuted instantiation: bwexpander_FLP.c:silk_float2short_array
Unexecuted instantiation: energy_FLP.c:silk_float2short_array
Unexecuted instantiation: k2a_FLP.c:silk_float2short_array
Unexecuted instantiation: pitch_analysis_core_FLP.c:silk_float2short_array
Unexecuted instantiation: scale_copy_vector_FLP.c:silk_float2short_array
Unexecuted instantiation: schur_FLP.c:silk_float2short_array
Unexecuted instantiation: sort_FLP.c:silk_float2short_array
Unexecuted instantiation: x86_silk_map.c:silk_float2short_array
Unexecuted instantiation: apply_sine_window_FLP.c:silk_float2short_array
Unexecuted instantiation: find_LPC_FLP.c:silk_float2short_array
Unexecuted instantiation: find_LTP_FLP.c:silk_float2short_array
Unexecuted instantiation: burg_modified_FLP.c:silk_float2short_array
Unexecuted instantiation: inner_product_FLP.c:silk_float2short_array
Unexecuted instantiation: scale_vector_FLP.c:silk_float2short_array
Unexecuted instantiation: inner_product_FLP_avx2.c:silk_float2short_array
Unexecuted instantiation: corrMatrix_FLP.c:silk_float2short_array
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/* integer to floating-point conversion */
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static OPUS_INLINE void silk_short2float_array(
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    silk_float       *out,
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    const opus_int16 *in,
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    opus_int32       length
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)
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{
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    opus_int32 k;
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    for( k = length - 1; k >= 0; k-- ) {
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0
        out[k] = (silk_float)in[k];
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    }
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}
Unexecuted instantiation: enc_API.c:silk_short2float_array
Unexecuted instantiation: HP_variable_cutoff.c:silk_short2float_array
Unexecuted instantiation: init_encoder.c:silk_short2float_array
Unexecuted instantiation: control_codec.c:silk_short2float_array
Unexecuted instantiation: encode_frame_FLP.c:silk_short2float_array
Unexecuted instantiation: find_pitch_lags_FLP.c:silk_short2float_array
Unexecuted instantiation: find_pred_coefs_FLP.c:silk_short2float_array
Unexecuted instantiation: LPC_analysis_filter_FLP.c:silk_short2float_array
Unexecuted instantiation: LTP_analysis_filter_FLP.c:silk_short2float_array
Unexecuted instantiation: LTP_scale_ctrl_FLP.c:silk_short2float_array
Unexecuted instantiation: noise_shape_analysis_FLP.c:silk_short2float_array
Unexecuted instantiation: process_gains_FLP.c:silk_short2float_array
Unexecuted instantiation: residual_energy_FLP.c:silk_short2float_array
Unexecuted instantiation: warped_autocorrelation_FLP.c:silk_short2float_array
Unexecuted instantiation: wrappers_FLP.c:silk_short2float_array
Unexecuted instantiation: autocorrelation_FLP.c:silk_short2float_array
Unexecuted instantiation: bwexpander_FLP.c:silk_short2float_array
Unexecuted instantiation: energy_FLP.c:silk_short2float_array
Unexecuted instantiation: k2a_FLP.c:silk_short2float_array
Unexecuted instantiation: pitch_analysis_core_FLP.c:silk_short2float_array
Unexecuted instantiation: scale_copy_vector_FLP.c:silk_short2float_array
Unexecuted instantiation: schur_FLP.c:silk_short2float_array
Unexecuted instantiation: sort_FLP.c:silk_short2float_array
Unexecuted instantiation: x86_silk_map.c:silk_short2float_array
Unexecuted instantiation: apply_sine_window_FLP.c:silk_short2float_array
Unexecuted instantiation: find_LPC_FLP.c:silk_short2float_array
Unexecuted instantiation: find_LTP_FLP.c:silk_short2float_array
Unexecuted instantiation: burg_modified_FLP.c:silk_short2float_array
Unexecuted instantiation: inner_product_FLP.c:silk_short2float_array
Unexecuted instantiation: scale_vector_FLP.c:silk_short2float_array
Unexecuted instantiation: inner_product_FLP_avx2.c:silk_short2float_array
Unexecuted instantiation: corrMatrix_FLP.c:silk_short2float_array
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/* using log2() helps the fixed-point conversion */
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static OPUS_INLINE silk_float silk_log2( double x )
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0
{
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    return ( silk_float )( 3.32192809488736 * log10( x ) );
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0
}
Unexecuted instantiation: enc_API.c:silk_log2
Unexecuted instantiation: HP_variable_cutoff.c:silk_log2
Unexecuted instantiation: init_encoder.c:silk_log2
Unexecuted instantiation: control_codec.c:silk_log2
Unexecuted instantiation: encode_frame_FLP.c:silk_log2
Unexecuted instantiation: find_pitch_lags_FLP.c:silk_log2
Unexecuted instantiation: find_pred_coefs_FLP.c:silk_log2
Unexecuted instantiation: LPC_analysis_filter_FLP.c:silk_log2
Unexecuted instantiation: LTP_analysis_filter_FLP.c:silk_log2
Unexecuted instantiation: LTP_scale_ctrl_FLP.c:silk_log2
Unexecuted instantiation: noise_shape_analysis_FLP.c:silk_log2
Unexecuted instantiation: process_gains_FLP.c:silk_log2
Unexecuted instantiation: residual_energy_FLP.c:silk_log2
Unexecuted instantiation: warped_autocorrelation_FLP.c:silk_log2
Unexecuted instantiation: wrappers_FLP.c:silk_log2
Unexecuted instantiation: autocorrelation_FLP.c:silk_log2
Unexecuted instantiation: bwexpander_FLP.c:silk_log2
Unexecuted instantiation: energy_FLP.c:silk_log2
Unexecuted instantiation: k2a_FLP.c:silk_log2
Unexecuted instantiation: pitch_analysis_core_FLP.c:silk_log2
Unexecuted instantiation: scale_copy_vector_FLP.c:silk_log2
Unexecuted instantiation: schur_FLP.c:silk_log2
Unexecuted instantiation: sort_FLP.c:silk_log2
Unexecuted instantiation: x86_silk_map.c:silk_log2
Unexecuted instantiation: apply_sine_window_FLP.c:silk_log2
Unexecuted instantiation: find_LPC_FLP.c:silk_log2
Unexecuted instantiation: find_LTP_FLP.c:silk_log2
Unexecuted instantiation: burg_modified_FLP.c:silk_log2
Unexecuted instantiation: inner_product_FLP.c:silk_log2
Unexecuted instantiation: scale_vector_FLP.c:silk_log2
Unexecuted instantiation: inner_product_FLP_avx2.c:silk_log2
Unexecuted instantiation: corrMatrix_FLP.c:silk_log2
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197
#endif /* SILK_SIGPROC_FLP_H */