Integration of spar decoder functions, crash fix and high MLD fix.
[x] High MLD fix in CPE dec and stereo_switching dec.
[x] spar decoder functions converted to fixed point.
[x] ivas_bw_switching_pre_proc function crash fix.
pytests results: 361 failed, 227 passed, 381 skipped
MLD scores:
Original inputs: (73 cases > 5)
5.063622
5.088346
5.102078
5.104575
5.218916
5.614635
5.688412
5.715819
5.715819
5.77953
5.788777
5.833766
6.071974
6.184788
6.207681
6.242165
6.252266
6.282851
6.358927
6.542134
6.542686
6.665377
6.670427
6.75048
6.797841
6.821054
6.839383
6.86136
6.867853
6.917754
6.999321
7.049693
7.126778
7.130231
7.555291
7.58292
7.825467
7.825467
7.976595
8.114808
8.228798
8.272079
8.338755
8.4242
8.581375
8.735139
8.994027
8.994027
9.123302
9.159177
9.337271
10.169006
10.225155
10.821583
10.844655
11.440022
11.556484
11.65326
11.890254
11.916395
12.25556
13.048607
13.617965
13.632602
14.212228
14.653176
15.341963
18.008001
18.008001
19.181458
20.870077
21.814014
21.814014
+10dB scaled inputs: (169 cases > 5)
5.018375
5.083227
5.144587
5.14722
5.177342
5.200975
5.289466
5.331821
5.338215
5.389722
5.406202
5.406334
5.406338
5.417042
5.509198
5.518337
5.575239
5.67796
5.711199
5.731291
5.814654
5.838886
5.8795
5.881829
5.923138
5.923138
5.928285
5.972701
5.98736
6.056644
6.056644
6.121672
6.212182
6.301822
6.304172
6.334168
6.341734
6.375416
6.500198
6.503973
6.722533
6.798316
6.839674
6.945859
6.953606
7.004622
7.027065
7.06323
7.129056
7.137276
7.140053
7.251936
7.304224
7.316518
7.373515
7.407919
7.408385
7.43126
7.488819
7.496748
7.517732
7.517732
7.540658
7.543188
7.545906
7.583045
7.70027
7.749804
7.822762
7.870778
7.995438
8.00281
8.089555
8.292277
8.45437
8.62905
8.748499
8.843573
8.911329
9.008747
9.271468
9.292025
9.334579
9.340915
9.411528
9.473598
9.623861
9.665955
9.665955
9.681885
9.708259
9.736526
9.754133
9.784168
10.055626
10.055891
10.057555
10.067906
10.069493
10.08599
10.311064
10.552432
10.600082
10.601019
10.704482
10.83803
10.948797
10.97077
11.166451
11.24924
11.346901
11.864548
12.024258
12.101405
12.237705
12.297309
12.397756
12.536757
12.627792
12.6457
12.816569
12.927345
13.041261
13.551542
13.62633
13.723491
13.725516
13.847036
13.871345
13.93318
14.512498
14.652344
14.652344
14.880527
15.079496
15.434311
15.471169
16.831017
17.520054
17.884455
18.26115
18.572807
19.021688
19.021688
19.032925
19.314159
19.318924
19.363144
19.658619
19.658619
19.683752
19.723047
20.134342
20.331211
20.52302
20.700909
21.249277
22.96603
22.96603
23.836885
23.97855
24.538889
25.06032
25.533766
26.419498
27.50238
29.609133
35.229546
43.840065
-10dB scaled inputs: (34 cases > 5)
5.003218
5.130937
5.192729
5.216906
5.246027
5.246027
5.438547
5.477759
5.532791
5.57993
5.737653
5.959033
6.003336
6.169914
6.297421
6.414282
6.429936
6.625319
6.780444
6.88654
6.950616
7.032635
7.060631
7.076999
7.28231
7.321189
7.660435
7.660435
9.915462
10.855084
10.855084
14.425871
14.425871
20.998625