Module SGEQPF.C in CLAPACK

General Information

Computes a QR factorization with column pivoting of a general rectangular matrix. (Computational routine.). [C version of LAPACK routine, converted from Fortran by f2c.].

Usage

int sgeqpf_(integer *m, integer *n, real *a, integer *lda, integer *jpvt, real *tau, real *work, integer *info)

Classification

D5	QR decomposition, Gram-Schmidt orthogonalization

Type

subroutine in CLAPACK package (SINGLE sublibrary)

Language

C

Availability

Public domain, Portable

Precision

Single Precision

Alternates

DGEQPF.C

Double Precision

Download from NETLIB; Public access repository

Location

The University of Tennessee at Knoxville and Bell Laboratories

Contact

Jack Dongarra, ORNL (dongarra@cs.utk.edu) and Eric Grosse, Bell Labs (ehg@research.att.com)