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izmax1.f(3) LAPACK izmax1.f(3)

NAME

izmax1.f -

SYNOPSIS

Functions/Subroutines


integer function izmax1 (N, CX, INCX)
 
IZMAX1 finds the index of the vector element whose real part has maximum absolute value.

Function/Subroutine Documentation

integer function izmax1 (integerN, complex*16, dimension( * )CX, integerINCX)

IZMAX1 finds the index of the vector element whose real part has maximum absolute value.
Purpose: 
 IZMAX1 finds the index of the element whose real part has maximum
 absolute value.


 Based on IZAMAX from Level 1 BLAS.
 The change is to use the 'genuine' absolute value.
Parameters:
N 
          N is INTEGER
          The number of elements in the vector CX.
CX 
          CX is COMPLEX*16 array, dimension (N)
          The vector whose elements will be summed.
INCX 
          INCX is INTEGER
          The spacing between successive values of CX.  INCX >= 1.
Author:
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date:
September 2012
Contributors:
Nick Higham for use with ZLACON.
Definition at line 82 of file izmax1.f.

Author

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Wed Oct 15 2014 Version 3.4.2