https://www.intel.com/content/www/us/en/docs/onemkl/developer-reference-fortran/2023-2/ppcon.html
?ppcon
Estimates the reciprocal of the condition number of a packed symmetric (Hermitian) positive-definite matrix.
https://www.intel.com/content/www/us/en/docs/onemkl/developer-reference-c/2023-2/ppcon.html
?ppcon
Estimates the reciprocal of the condition number of a packed symmetric (Hermitian) positive-definite matrix.