snrm2.f man page

snrm2.f ā€”

Synopsis

Functions/Subroutines

real function snrm2 (N, X, INCX)
SNRM2

Function/Subroutine Documentation

real function snrm2 (integer N, real, dimension(*) X, integer INCX)

SNRM2

Purpose:

 SNRM2 returns the euclidean norm of a vector via the function
 name, so that

    SNRM2 := sqrt( x'*x ).
Parameters:

N

          N is INTEGER
         number of elements in input vector(s)

X

          X is REAL array, dimension ( 1 + ( N - 1 )*abs( INCX ) )

INCX

          INCX is INTEGER
         storage spacing between elements of SX
Author:

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.

Date:

December 2016

Further Details:

  -- This version written on 25-October-1982.
     Modified on 14-October-1993 to inline the call to SLASSQ.
     Sven Hammarling, Nag Ltd.

Definition at line 76 of file snrm2.f.

Author

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Referenced By

The man page snrm2(3) is an alias of snrm2.f(3).

Sat Jun 24 2017 Version 3.7.1 LAPACK