NAME¶

IZMAX1 - finds the index of the element whose real part has maximum absolute value

SYNOPSIS¶

INTEGER FUNCTION

IZMAX1( N, CX, INCX )

INTEGER INCX, N COMPLEX*16 CX( * )

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.
Contributed by Nick Higham for use with ZLACON.

ARGUMENTS¶

N (input) INTEGER

The number of elements in the vector CX.

CX (input) COMPLEX*16 array, dimension (N)

The vector whose elements will be summed.

INCX (input) INTEGER

The spacing between successive values of CX. INCX >= 1.