[regression] Encoder abort (divide by zero) for MC 5.1+2 encoding in ivas_param_mc_quantize_ilds_fx()

Basic info

• Float reference:
  • Encoder (float):
  • Decoder (float):
• Fixed point:
  • Encoder (fixed): d3fbdc6b
  • Decoder (fixed):

Bug description

The fixed point encoder exits with SIGABRT:

Ways to reproduce

Box folder: ...\Box_EXTERNAL_IVAS_BASOP_VERIFICATION\issues\issue-1453

./IVAS_cod_fx -mc 5_1_2 -max_band WB 96000 16 bm3aa1s07_16.wav bit