Hi,
Once in a while c2enc reports the following error:
LSP roots not found!
roots = 8
followed by a list of the LPS coefficients. It is caused by the
following check in the function lpc_to_lsp:
*if*((psumr*psuml)<0.0){
roots++;
It happens when one of the roots is exactly equal to the xr and hence
the condition is never met. It can be fixed by changing the condition to:
*if*((psumr*psuml)<0.0 || psumr==0){
roots++;
I suggest to merge the fix into the official branch.
Cheers,
Jacek Kaczynski
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