LAPACK 3.12.1
LAPACK: Linear Algebra PACKage
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Functions
ptrfs: iterative refinement
LAPACK » Linear solve, AX = B » Cholesky: computational routines (factor, cond, etc.)
Collaboration diagram for ptrfs: iterative refinement:

Functions

subroutine cptrfs (uplo, n, nrhs, d, e, df, ef, b, ldb, x, ldx, ferr, berr, work, rwork, info)
 CPTRFS
 
subroutine dptrfs (n, nrhs, d, e, df, ef, b, ldb, x, ldx, ferr, berr, work, info)
 DPTRFS
 
subroutine sptrfs (n, nrhs, d, e, df, ef, b, ldb, x, ldx, ferr, berr, work, info)
 SPTRFS
 
subroutine zptrfs (uplo, n, nrhs, d, e, df, ef, b, ldb, x, ldx, ferr, berr, work, rwork, info)
 ZPTRFS
 

Detailed Description