LAPACK 3.12.0
LAPACK: Linear Algebra PACKage
{hp,sp}trd: reduction to tridiagonal
Collaboration diagram for {hp,sp}trd: reduction to tridiagonal:

Functions

subroutine chptrd (UPLO, N, AP, D, E, TAU, INFO)
 CHPTRD More...
 
subroutine dsptrd (UPLO, N, AP, D, E, TAU, INFO)
 DSPTRD More...
 
subroutine ssptrd (UPLO, N, AP, D, E, TAU, INFO)
 SSPTRD More...
 
subroutine zhptrd (UPLO, N, AP, D, E, TAU, INFO)
 ZHPTRD More...
 

Detailed Description