Module ISAMAX in BLAS1

• BLAS1 Information

• Components
  • Fullsource from NETLIB
  • Source from NETLIB

ISAMAX

 
Find smallest index of maximum magnitude component of a vector. (Level 1 BLAS).
 
Classes  :  D1a2 .  Minimum and maximum components of a vector
            D1a3c . L-infinity (maximum magnitude) vector norm
            N5a .   Search for extreme value in an array
 
Type     : Fortran subroutine in BLAS1 package.
Access   : Public domain. Portable.
Precision: Single.
 
Usage    : I = ISAMAX(N, SX, INCX)
 
Details  : Fullsource Source
Sites    : (1) ARNO (2) NETLIB
 

Implementation of ISAMAX from BLAS1 on ARNO

 
ARNO:      Silicon Graphics Origin 2000, National Institute of Standards and
           Technology (NIST), Gaithersburg, MD. Available to NIST staff.
 
Precision: Single. (Double: IDAMAX)
 
Those logged in to arno.nist.gov or amur.nist.gov may access this module as
follows.
 
   Access       : f90 prog.f -lscs (or -lscs_mp for multiprocessor version)
   Documentation: man isamax
 

Implementation of ISAMAX from BLAS1 on NETLIB

 
NETLIB:    Public access repository, The University of Tennessee at
           Knoxville and Bell Laboratories
 
Precision: Single. (Double: IDAMAX)
 
You may access components from NETLIB outside GAMS as follows.
 
   Source       : echo "send only isamax from blas" | mail netlib@ornl.gov
   Fullsource   : echo "send isamax from blas" | mail netlib@ornl.gov