https://www.intel.com/content/www/us/en/docs/onemkl/developer-reference-c/2023-0/trevc3.html
?trevc3
Computes selected eigenvectors of an upper (quasi-) triangular matrix computed by ?hseqr using Level 3 BLAS
https://www.intel.com/content/www/us/en/docs/onemkl/developer-reference-fortran/2025-0/trevc3.html
?trevc3
Computes selected eigenvectors of an upper (quasi-) triangular matrix computed by ?hseqr using Level 3 BLAS